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  • $70 hourly
    Highly creative and experienced product designer. Medical devices, consumer products, and military/avionics. Specialize in battery operated embedded systems that include sensors, displays, wireless, and human interfaces. Expertise in rf design, analog, signal conditioning, power supplies, battery management and wireless. Proficient in schematic and pcb design. Can work with your ME or ID to create a design that fits the desired form. My years of consulting experience lead to accurate project estimates and on time delivery of a functional design.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Digital Electronics
    Core Bluetooth
    PCB Design
    Antenna Design
    Embedded C
    Embedded System
  • $35 hourly
    My skills and experiences are Antenna, Low Noise Amplifiers, Active and reconfigurable Antenna, RF and Microwave sensors, Analog design, simulation (CST STUDIO SUITE commercial license), prototyping and testing in professional lab environment. In particular, antenna for mobile devices, smart antennas, electrically small antennas, beam forming, beam steering, real-time location system, tracking, IoT, RFID, NFC, LoRa, WiFi, BLE, radar, 5G, wireless Ethernet etc, high speed pcb design, Signal Integrity, EMC. I provide support and consulting, ranging from concept formulation and design, through to prototyping, testing, FCC/CE/KC certification, measuring and troubleshooting, chip decapping. I hold full access to standard electronics lab equipped with: network and spectrum analyzer, EMI test equipment, anechoic chamber, PCB manufacturing and SMT assembling tools etc. Apart from that, I also provide assistance and support with the writing of reports, extended essays, dissertations, theses, and scientific publications; from formulating the proposal and the working hypothesis (research outline) to proofreading and editing.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Wireless Communication
    RF Microwave Design
    Amplifiers & Filters
    Scientific Writing
    Physics
    Electronic Design
    Hardware Prototyping
    Circuit Design
    RF Design
    RFID
    Antenna Design
  • $65 hourly
    My job is to design functional and tested circuits and PCBs for your application or consult you, so you can do that your self. Just give me requirements for your circuit: the price for bill of materials, deadline and a list of required features. After prototype of device is designed I almost always advise I will order a few sample PCBs for testing. After testing and debugging is completed, I will ship them to you, so you can verify my testing results. This costs a bit extra for you, but you are buying 100% working circuit design which needs no testing. Just take it and use it in your project. If you want to know how a circuit works I can develop complete math model of the circuit. This approach is way more accurate than SPICE simulation and allows you to understand how the circuit operates. I have completed at least one project having fallowing sub circuits: Analog: Low noise, low speed front-ends (from Hz to 100KHz): Photodiode, strain gauge, pressure sensitive resistors, magnetic angle sensors, tensile, thermocouples and other. High order active filters Voltage measurement (uV to kV) Current measurement (pA to tens of A) Resistance measurements (mOhm to Mohm) Frequency measurement (below GHz) Current output Oscillators (Bubba, Pierce, Hartley, phase shift, relaxation, crystal, RC) Integrated RF transmitters/receivers Digital: PCIe USB HDMI I2S SPI High speed parallel interfaces Logic circuits (TTL, CMOS) SOCs Power: DC/DC converters: Buck, Boost, SEPIC, full bridge, Cuk, Linear AC/DC converters (up to 1.8kW) Brushless and brushed motor drivers TEC drivers CAD packages: DipTrace KiCad Altium I have fallowing equipment: 1x Osciloscope RTB2004 4 channel 10 bit 300MHz with logic analyzer having 16 differential channels up to 600Mbps. 1x Oscilloscope HMO1002 2 channel 8 bit 50MHz. 1x Multimeter HMC8012 5,75digit 1x Electronic load IT8616 1.8kVA 420VAC 20AC (60A peak) or 600VDC 20ADC with AC signal analysis 1x Electronic load IT8512C 120VDC 60ADC 1x Signal generator Rohde and Schwarz AFG 20MHz 1x TP3020 30V 20A linear power supply 1x HY5003-2 dual channel 50V 3A linear power supply 2x PeakTech 6080A 15V 3A power supply 1x VP-2000VA - 2kVA 230VAC to 120VAC converter. 1x DER-EE DE-5000 RLC meter I also have programmer for: Texas Instruments CC series, Texas Instruments MSP430 programmer, Microchip ICD3/PicKit2/AVR ISP USBasp, Segger ARM programmer, SiliconLabs 8051 core programmer
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    C
    Amplifiers & Filters
    Power Electronics
    PCB Design
    KiCad
    Microcontroller Design
    Altium Designer
    Microcontroller Programming
    Electronic Circuit Design
    Automotive Engineering
    Circuit Design
    Assembly Language
    Digital Electronics
  • $85 hourly
    Practical electronics engineer with 8 years experience taking specs and ideas and turning them into working prototypes and eventually products. Persistence and analytical thinking is a must, but when your hobby is your profession you are personally invested in every project. That's my mindset. Taking full ownership of the project combined with effective customer communication, so we can the best results! Here is a list of my technical skills: Simulation & Analysis ------------------------------------------------------------------- LT spice, Microcap, Matlab, FEMM PCB Design ------------------------------------------------------------------- Analogue, digital, mixed signal design, schematic capture and pcb layout, EMC testing, IPC-2221, signal integrity, high voltage rules Power electronics topologies ------------------------------------------------------------------ LLC, Full Bridge, Half bridge, Buck, Boost, Phase shifted full bridge, PFCs, Flyback, DC:DC, AC:DC converters, SMPS design, feedback control loops Magnetics Design ------------------------------------------------------------------ Simulation - calculations and winding of transformers and inductors at my facility. Programming Languages ------------------------------------------------------------------ Embedded C, C#, Assembly, Java, SQL Microcontrollers ------------------------------------------------------------------ AVR AtMega series, PSOC4, PSOC5 MCUs, Arduino Communication protocols ------------------------------------------------------------------ I2C, RS232, RS485, SPI, 1-WIRE, UART, MODBUS Software ------------------------------------------------------------------ Altium Designer, Atmel Studio, PSOC Creator, Visual Studio, Simulink, Mathcad, MS Office Lab equipment ----------------------------------------------------------------- Oscilloscopes, LCR meters, multimeters, PSUs, electronic loads, dynamic signal analyzers, soldering irons, power-tools, mechanical equipment, high voltage psus
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Hardware Design
    Circuit Design
    C#
    Product Design
    Microcontroller Programming
    Power Electronics
    Hardware Troubleshooting
    C
    PCB Design
    App Design
    Altium Designer
  • $125 hourly
    I’m Kevin. I design things. Over the last ten years I have taken over twenty commercial products from concept to manufacture while navigating startup challenges along the way. I am “practical” above all else. A team player and easy to communicate with, I am able to take rough concepts and deliver them as working products or prototypes with minimal cost and hassle. My specialty is electronic hardware design, though most projects involve physical or mechanical parts as well. This is my full time job, working from my dedicated workshop near Portland, Oregon. I have in-house capability for most aspects of bringing up new designs and fabricating one-off devices or prototypes. We have high resolution SLA 3D printing (UV resin), a large 4x8’ production CNC machine suitable for plastics and most aluminum, and plenty of bench/floor space for your project. I have relationships with various local machine shops and test labs, so extra support is convenient if needed. I work in Altium Designer for schematic and PCB board layout, and use Solidworks or Autodesk Fusion for physical component design and working with complex physical assemblies. I have designed many injection molded parts, stamped metal parts, etc. Many of my products involve radio so I’m familiar with the FCC test lab process for both module based radios and custom designs. I have designed Internet of Things IoT products, wireless mesh networking, and low cost proprietary point to point radios. I am intermediate level coding on small 8 to 32 bit microprocessors in C,C++. My code is extremely "human readable" and cleanly documented. I have solid experience with Mircochip PIC processors, Atmel, STM32, and MSP430. I have written several low level handlers for custom board hardware and protocols. If you’re looking for a competent person that is easy and reliable to work with, and who will handle your project as if it were their own, let’s chat and see what happens. Electronics: -Embedded Hardware Design -PCB Circuit Board Design -Low-level Microprocessor Coding, C, C++, Python -Radio Wireless Communications and Certification -Internet of Things, IoT, Mesh Networking, Zigbee -Robotics -Automation -Short Run PCB Assembly -Prototyping and Test Fixtures (in house) -Reverse Engineering, Proprietary Protocols -Testing, Debugging, Product Validation Mechanical: -Solidworks -Autodesk Inventor / Fusion360 -Complex Assembly Design -Process, Testing, and Assembly Fixtures -Injection Molding -High Resolution SLA 3D Printing (in house) -CNC Machining (in house) -Industrial Processing Fixtures -Plastics Fabrication (Tanks, Jigs, Wet Processing, etc.) -Rapid Prototypes and 3D Printing for Industrial Parts -Moving Parts, Gearing, Bearings, etc. Support Services: -Connections with Contract Manufacturers -Crowdfunding, I've raised approx $400k via Kickstarter, Indiegogo -Relationships with Asian and China Manufacturers -Injection Molding & Stamped Metal Parts from Asia -Patent Experience (I hold 7 Patents)
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Firmware
    Arduino Firmware
    Circuit Design
    PCB Design
    RF Design
    Injection Mold
    Electrical Engineering
    Electronic Design
    Product Design
    Hardware Prototyping
    SolidWorks
    3D Printing
    Product Development
    Mechanical Design
  • $30 hourly
    PROFILE Formerly Ass. Prof. in the Military Technical College. • Microwave and RF system design engineer • Analog and digital circuit design engineer • CAD/CAM engineer for PCB design and manufacture by CNC machines • Microwave and RF circuit design engineer • Microwave receiver expert. • University lecturer (Microwaves, Receivers, Logic Circuits, Electromagnetic Fields and Computer Networks). KEY ACHIEVEMENTS • Design, implementation, and testing of hundreds of RF and MW filters. • Design, implementation, and testing of wide-band printed dipole antennas (2009- 2013). • Author of 24 papers published in different international conferences and academic magazines, most of which are single-author papers. • Design, implementation, and measurement of a complete DRFM. • Proposing a new method for digital frequency translation using DRFM. It was published in a paper and successfully implemented. • Supervision of 4 MSc. Theses and 1 Ph.D. Thesis. • Reviewing 5 Msc. Theses and 5 papers. • Leading more than 30 graduation projects. • Hundreds of RF and Microwave PCB's have been designed by me and prototyped under my direct supervision. Most of those circuits were Microstrip circuits. Some coplanar waveguide circuits have also been designed and implemented. • FR4 was the main substrate in most designs. Different professional substrates (of Rogers and Arlon products) have been used in my designs with relative permittivity ranging between 2 and 10.5 and dielectric height between 0.2 and 2.6 [mm]. CAPABILITIES I can design RF systems and circuits, RF antennas and electronic circuits, give you full design and prototyping documentation (including design description, design equations and calculations, simulation results, schematic and layout drawings, Gerber files, Excellon files and BOM files, test procedures and test recommendations) and give full technical assistance to you in prototype building and testing. No prototype building No software coding
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Digital Electronics
    Electrical Engineering
    Circuit Design
    RF Microwave Design
    Electronic Design
    System Analysis
    Instrumentation
    Amplifiers & Filters
    Scientific Writing
    PCB Design
    Antenna Design
    Eagle
    RF Design
  • $80 hourly
    18+ years of experience in electronic design. 100+ major design projects delivered. 200+ happy clients served. Whatever your electronic design needs are, reach out for a quick chat, you will not regret it! What to expect: ✅Top quality design that not only meets and exceeds your requirements but can also handle those unexpected conditions that make quality products stand out from the rest. ✅Rigorous design test and measurement that leaves nothing unchecked, keeping in mind not only your interests but also those of your end customers. ✅A design that is optimized and ready for manufacturing with parts readily available. ✅Exhaustive documentation and support so you can make best use of all deliverables. ✅A flexible service that can take care of all phases in the design and prototyping process or just those parts that you prefer. ✅Long-term availability for changes, revisions, and support. ✅Above all, an honest and friendly collaboration that you can trust. I invite you to reach out to discuss your project's unique needs. Regardless of your technical background, I am here to transform your product idea into a tangible reality, employing the most efficient and cutting-edge technology. My services extend beyond design, offering assistance in defining complete project requirements, recommending suitable technology, and guiding your product to production. I can also connect you with reliable suppliers and provide unwavering technical support throughout the entire process. As a full-time freelance engineer, having worked with clients from all over the world in very diverse applications, I’ve been able to gain a broad experience in electronic design. The designs I’ve produced over the years range from the simplest of designs to very complex high-density designs at the cutting edge of technology. I have gained experience with a variety of microcontrollers, processors, sensors, interfaces, protocols, and design architectures. I’ve also been able to utilize a variety to PCB technologies ranging from multilayer rigid, HDI, flexible, rigid-flex, metal-core, as well as exotic materials such as stretchable PCB. Throughout the years I’ve also invested significantly in a spacious lab and equipment for both prototyping (including pick-and-place, reflow oven and advanced JBC soldering equipment) as well as professional test and measurement equipment (including oscilloscopes, spectrum analyzers, VNA, bench meters, electronic loads, waveform generators, ECG simulator, thermographic imaging, and data loggers), all from reputable brands (Keysight, Teledyne-Lecroy, FLIR, Fluke, Tektronix, Pico,…). My vision is to produce top quality designs with a ‘whatever it takes’ attitude and am willing to invest effort and financially in ensuring that I am well equipped to do so. Some of the specific experiences include: Software tools: Altium Designer (my primary EDA), KiCad, Eagle, Proteus; SolidWorks; Ansys, Keysight-ADS, COMSOL; VS Code, Visual Studio, PyCharm, IntelliJ; Keil MDK Arm, GCC, IAR, CodeComposer, Microchip Studio; Quartus Prime, Xilinx ISE; Programming languages: Embedded C, C++, C#, Python, Rust, Java, VHDL, Bash scripts, PHP, javascript… Microcontrollers/SoC: STM32 (often preferred), ATSAM, STM8, nRF5x (often preferred for BLE applications), EPS32, CH32 (RISCV), C2000, CC2642, CC13xx, PIC16/18, AVR, MPS430, RP2040, i.MX, A20/50, RK35xx, MAX78000, … Protocols/Buses: RS485/422, USB, UART, SPI, I2C, CAN, LVDS, DDR; Modbus, NMEA2000, MQTT, … Common design features: - BLE / Wi-Fi with custom PCB trace antenna, fully simulated and tuned on prototypes. - USB charge circuit for Li-Ion battery, including fast charging. - Battery protection circuits and cell balancing. - PoE source/device/injector designs with necessary protocol handshakes. - ARM embedded processor design running embedded Linux system. - RTD measurement circuits, 3/4 wire, 24 bit, PGA and filtering. - ECG, EOG, EEG monitoring wearable designs. - IMU motion tracking with sensor fusion and quaternion streaming. - GNSS location tracking, including high precision RTK modes. - Audio capture, filtering, processing, and amplification. - DC/DC converters in various topologies including buck, boost, buck-boost, SEPIC, CUK, H-Bridge, cascaded, multi-phase. AC/DC converters (flyback, feed-forward, …). DC/AC inverters, BLDC control… - LED driving with attention to color rendering and thermal management. - Solar MPPT controller. - UHF long range wireless designs, LoRa, Sigfox. Cellular interfaces 4G, LTE, NBIoT, LTEM. My commitment to excellence, innovation, and collaboration has been the cornerstone of my career. I look forward to the opportunity to bring your vision to life, leveraging my extensive skill set and passion for electronic design. Feel free to contact me to embark on a successful journey together.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Electronic Design
    Embedded System
    Circuit Design
    Digital Electronics
    Hardware Prototyping
    Electrical Engineering
    Firmware
    Embedded C
    Embedded Linux
    Hardware Design
    Altium Designer
    PCB Design
    Internet of Things Solutions Design
  • $30 hourly
    Welcome! If you’re looking to take your product from concept to reality with world-class electronics design, you’re in the right place. I’m Avi Gupta, a PCB design and electronics expert with over 10 years of experience in delivering reliable, high-performance designs that fuel innovative products worldwide. ✅What I Bring to Your Project: 1. 10+ Years of Expertise: I’ve successfully executed over 500 projects specializing in analog, digital, and mixed-signal systems. My designs are not only functional but optimized for cost-efficiency and manufacturability. 2. Master of Altium: While I’m proficient in all major industry-standard design tools—Altium Designer, EAGLE, KICAD, EASYEDA, PROTEUS—my mastery of Altium Designer ensures that your circuits are developed with precision and speed. 3. High-Speed & Multilayer PCB Expert: I specialize in high-speed PCB designs up to 5GHz, with experience in creating multilayer PCBs (up to 32 layers) and advanced techniques like impedance control, length matching, and antenna tuning. 4. First-Time-Right Guarantee: I apply DFX (Design for Excellence) principles—DFA, DFM, and DFT—to ensure that your PCB is designed right the first time, every time. My track record speaks for itself: 98% first-time success rate. 5. Certified Professional: IPC certified in high-speed PCB design and footprint creation, ensuring designs comply with industry standards while meeting client-specific needs. 6. Problem Solver: Whether it's reducing PCB size, improving signal integrity, or designing EMI/EMC-compliant boards, I can optimize any design by at least 25%—saving you both time and costs. 7. Diverse Application Expertise: My designs power products across industries—IoT, medical devices, industrial systems, defense, and more. If it needs to be robust, reliable, and efficient, I’ve got you covered. 8.Firmware & Enclosure Design: Beyond PCBs, I offer firmware development (ARDUINO, C, C++) and complete enclosure design (3D printing, sheet metal), giving you end-to-end solutions under one roof. 9. Standards & Compliance: I ensure your designs meet the highest standards, including EMI/EMC, CE, UL, and CISPER compliance, ensuring your products are market-ready and certified. ✅Why Work with Me? 1. Proven Results: I’ve helped startups and established businesses alike bring products to market faster, cut development costs, and ensure superior quality with minimal revisions. 2. Customer-First Approach: I work closely with you at every step—offering transparent communication, regular updates, and a shared commitment to delivering a final product that exceeds your expectations. 3. Production Support: From concept to mass production, I ensure seamless handover to your manufacturing team, ensuring smooth scalability of your product. Whether you need help developing a prototype, optimizing an existing design, or bringing an innovative idea to life, I’m here to deliver world-class solutions. Ready to elevate your product? Let’s talk!
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Circuit Design
    Computer Hardware Design
    Power Electronics
    Solar Design
    Altium Designer
    Digital Electronics
    Electronic Circuit Design
    Multilayer PCB
    Internet of Things Solutions Design
    PCB Design
    Rapid Prototyping
    Hardware Prototyping
    Mechanical Design
  • $32 hourly
    More than 20 years of experience. University of Tennessee, Master Electrical and Computer Engineer. Electronic engineering design and development. Large experience product development, prototypes, microcontroller based products design, PCB board design, layout, schematics, firmware, c language programming. Also Xilinx and Altera FPGA programming. Labview programming. Electrocardiogram, Electroencephalogram, ECG, EEG, EKG, Optical Heart Rate Monitor, PPG, SpO2, ADS1292, ADS1292R, ADS1293, ADS1293R, ADS1294, ADS1298,ADS1198, ADS1296,MAX30101, MAX30102, MAX32664, STM32WB, STM32WL, SAMD21,EFR32MG. Several successful freelance projects developed: 1. Ultrasonic Flaw Detector (NDT - Non Destructive Test) . High frequency (2 MHZ to 20MHz) ultrasonic pulses MAX4810, AD8331, AD9271 and the highly integrated MAX2084. 2. Bluetooth Heart Rate and Oximeter Wrist Watch Monitor . MAX30101, ATSAMD21J18 MCU, Bluetooth, LED, buzzer, and Android APP. 3. Microsoft XBOX Keyboard controller firmware for Gamming Keyboard. Custom Keyboard that could be used simultaneously as HID Keyboard, HID Mouse, XBOX Microsoft controller and MIDI controller. USB descriptors and USB enumerations, optical analog sensors. 4. Diaphragm Pacer System for ALS patients . NeuRx DPS (Synapsebiomedical.com). 5. Electronic Cigarette, 200W Regulable and Rechargeable with Touch LCD. LTC3887 350kHz Step-Down Converter with PMBus. 6. EEG Wireless. Electroencephalogram sensor 8-Differential Channels/electrodes ADS1299 with Bluetooth. Service Description: Time-to-Digtal converter. CADSOFT, EAGLE PCB design, Schematic and Layout. Microcontroller programming. FPGA programming XILINX, ALTERA. Labview programming. Labview FPGA programming. USA, University of Tennessee Knoxville, Master Electrical and Computer Engineer.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Machine Learning
    Android
    Xilinx
    Circuit Design
    Product Development
    Embedded System
    FPGA
    Zigbee
    Bluetooth
    Internet of Things Solutions Design
    Altium Designer
    Embedded C
    Eagle
    PCB Design
  • $60 hourly
    ✅ Over 6000 Hours of work experience on Upwork ✅ More than 18 year experience 🎖️🎖️🎖️ of working with different Embedded system projects ✅ Feel free to discuss your project requirements in detail. I can assist you in design, development, production and commissioning of the complete project including the components selection. ✅ You can also contact me for your existing project with issues to be resolved. Fixing bugs and improve performance is my most favourite job. ✅ Vast experience of working with 🟨 🔧📦Bug Fixing for existing Embedded systems and improve firmware 🟨 Raspberry Pi , Orange Pi, Banana Pi, Jetson Nano, Rock Pi and various other Embedded Linux and Windows SoC boards 🟨 Python, Node js, Node-Red programming in Embedded Systems 🟨 Yocto, BalenaOS, Full stack developer for Embedded Systems 🟨 Embedded systems configuration management 🟨 Industrial Automation, Home Automation 🟨 PLCs (Beckhoff, Siemens, Allen Bradley, ABB, Mitsubishi, Omron, Delta, Fatek) 🟨 Robotics, Motor Control (AC, DC, Servo, Stepper, NEMA, Linear Actuator 🟨 STM, Arduino, ESP32, ESP8266 🟨 RF, nRF52832, nRF52840, nRF53, Texas Instruments 🟨 DevOps, Jenkins, Ansible, Terraform 🟨 AWS, Azure, Google Cloud GCP, IoT 🟨 DSP 🟨 FPGA, CPLD (Xilinx, Altera) 🟨 Modbus, CAN, RS485, RS232, UART, Wi-Fi, BLE, LoRa, ZigBee, PCI, SPI, I2C, USB, Bluetooth, Serial, Parallel, Ethernet 🟨 Data Acquisition Systems 🟨 OpenWrt
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Embedded C
    Firmware
    Amazon S3
    STM32
    ARM Cortex-M
    Raspberry Pi
    Robotics
    Integrated Circuit
    Arduino
    PCB Design
    Git
    CC2650
    Embedded System
  • $30 hourly
    Looking to develop your electronic product? I can help you during all process, since initial idea to finished product. I am Senior Electronic Engineer graduated from a renowned university, with more than 20 years of professional experience in electronics product design and development. Hands-on experience, not only "desktop surfer". Experience acquired as Product Engineer at industry, performing circuit development, workbench tests, PCB layout, firmware, validation tests, components procurement, cost reduction and others. I designed many products available at market. What I can do for you: - product development - schematic development - components procurement - firmware development - PCB layout - BOM generation and complete documentation to manufacture your project. - prototyping Technologies: - Microprocessors (ESP family, STM32, ATSAMD) - Bluetooth SOCs - WiFi SOCs - accelerometers, gyroscopes - analog and digital design - medium power design (MOSFETS, TRIACS) - ultra low power devices - Leds - SIM modules Thank you for your time, looking forward to talk to you.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Automotive Engineering
    Electrical Layout Design
    PCB Design
    Electronics
    Electrical Engineering
    Electronic Workbench
    Digital Electronics
    Circuit Design
    Software Development
    Electronic Design
    ESP32
  • $150 hourly
    I have over 22 years of experience working and consulting for tech companies in Silicon Valley. Every technical challenge that I had overcome assured me that with the right frame of mind, I could accomplish anything. Engineering is also my hobby, and I have been doing it since before high school. I was born with a soldering iron in one hand and writing code with the other. I designed the hardware for over 100 projects, most of them being sold today. Some notable ones are Snapchat Spectacles (designed most of the electronics and PCB layout), Thornwave Labs' Bluetooth DC Power Meter (PowerMon) and all the other projects on the webpage, various RF modules (RN-171, RN4020, RN52), and development boards designed while working at Microchip. I also created production testers, lots of C/C++ programming, and firmware design. What I can do for you? --------------------------- High Level: project management, research. I am very experienced with hardware design and firmware, which allows me to integrate them more efficiently. Hardware: circuit design, component selection, electrical schematic, PCB payout. I am using Altium Designer. I will provide you with everything you need to go to manufacturing: Gerber files, NC drill, pick and place, assembly diagrams, 3D prints, 3D STEP model, and electrical schematics as well as offer support after the project is completed. I have experience with analog and digital design, RF, high-speed design, microcontrollers, highly complex boards, LCDs. I can run Spice simulations as well. I worked with various technologies and protocols: SPI, I2C, UART, USB, CAN, RS-485, Ethernet, Bluetooth, WiFi, and so on. Prototyping: I will manufacture the prototypes at a much lower cost than average. Over the years, I have developed working relationships with manufacturers in China, hence the cost-saving. I also have a lot of equipment: multimeters, oscilloscope, logic analyzer, vector network analyzer, USB protocol analyzer, power supplies, digital electronic load, soldering equipment, computers, and so on... Certifications: I can assist and oversee the certification process for FCC, IC, and others. Firmware development: I have 24+ years of experience coding in C/C++ and 20 years of firmware development. I can architect and develop your firmware from the ground up. I am exceptionally versed in the ARM Cortex line of microcontrollers: STM32 and Nordic. I will provide you with production-quality firmware. I know the ST and the Nordic microcontrollers like the back of my hand. I can get firmware done very quickly and efficiently for these chips. Software development: Basic tools running in Linux/Windows/Mac, basic GUIs. I can develop all the software tools you need for debugging, testing, and manufacturing. Manufacturing: If your project reaches this phase, I can offer contract manufacturing services. I will be delivering your finished product, ready to sell. The rate I displayed is an average number. It can vary up or down based on the complexity of the project. My rate reflects the experience and knowledge I have. I am good at what I do. Also, keep in mind that I will not bill you for hours like lawyers do for the time they spend in the shower thinking about the project. I will bill you only for the hours I spend advancing the project in a meaningful way.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    STM32
    C
    RF Microwave Design
    Embedded Operating System
    Industrial Automation
    Linux
    WiFi
    Bluetooth
    Firmware Programming
    Circuit Design
    Power Electronics
    Digital Electronics
    C++
    RF Design
    ARM Cortex-M
    PCB Design
  • $150 hourly
    Electronic Engineer - I Help You Bring Practical & Profitable Solutions To Market I’ll help you take your idea... to a schematic, to a PCB, then integrate software, take it to production, debug, document the process and get it out the door onto the market on time and under budget. I’m your go-to guy when you need technical skills to transform big ideas into tangible real-world practical and profitable solutions. • Need layouts and/or schematics verified? • Want enclosure design or retrofit electronics? • Seeking firmware design/development involving micro-controllers. Call Kevin. Who am I? I dig aerospace, rockets and airplanes. • I’m quick to absorb, understand and build on the information you give me. • When I see a problem, I step in to help solve it. And step away if I’m not required. • I’m trustworthy & honest, easy-going and love solving tough engineering problems. Who am I looking to work with? I want to help great start-ups bring great ideas to life and impact society positively. Honestly, I couldn’t think of anything more satisfying than being part of a project that makes life better for hundreds, thousands or even millions of people and contributing to the world in a positive way through engineering. What I do is a real passion for me, not just a job. And because I understand that the most important investment you can ever make in your business (besides product development) is in the team you build. I would greatly welcome the opportunity to be part of your project. I started my career as a technician and worked my way up to engineer. I have a rare combination of skills, knowledge & experience, and I know what it takes to make your project successful. I am 100% dedicated to my craft and I love to win. Let me help you win. ________________________________________ Experience: I use Altium Designer for all schematic and PCB needs. Worked on designs from simple 2 layer designs to complex 18 layer designs with high-density mixed signal designs from DC to 32GHz. This includes high-density DDR designs. Worked with Bluetooth, WIFI, IoT, PCIe. SPI / I2C / I2S / RS-232 / RS-422 / RS-485 Analog Design ( DAC / ADC / Op-Amp ) FPGA - Aritx / Kintex / UltraScale / Spartan Firmware: Microchip/Atmel 8 bit, 16 bit, 32 bit microcontrollers STM32 with LCD GUI interfaces FPGA design with VHDL with Xilinx or Altera Software: Altium MPLABX STM32CubeIDE / STM32CubeMX / TouchGFX Python and C/C++ LabWindows SystemVue ADS Projects: IoT for Marine application (Particle System used) PEMF (Pulsed Electromagnetic Field Therapy) Consumer Product with touch screen GUI Ultra-Compact Audio Debug Tool for Audio Engineers 12ch 50Gbps PRBS generator 64Gbps PRBS/Pattern generator 60Gbps Error Detector 1-32GHz Synthesizer 1-18GHz Spectrum Analyzer 6GHz VSWR PoE Analyzer 18 layer HDI Motherboard with high-speed HDI layout Rigid Flex PCB 6GHz VSWR PoE IoT 10GHz Antenna Array Batteries / BMS controllers When you need a freelance staff engineer to help you get a project over the line on time. Call your reliable & trustworthy freelance software engineer Kevin Regan. See video below. Search LinkedIn Profile: Kevin Regan
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Electronics
    Altium Designer
    PCB Design
    VHDL
    Circuit Design
    Electronic Design
    Digital Electronics
    Analog Circuit
    C
    Microcontroller Programming
    Python
    Embedded System
  • $60 hourly
    I am an Electronics Engineer based in UK with extensive experience in a diverse range of electronics projects. Over 6 years of electronics engineering experience, specialising in: ✅ Circuit Design: Crafting efficient and reliable circuits tailored to your project needs. ✅ PCB Layout: Designing optimised PCB layouts for performance and manufacturability. ✅ Firmware Development: Developing robust firmware for seamless hardware integration. Technical Proficiency: ✅ Languages: C/C++, Python, MicroPython, CircuitPython ✅ Software: Eagle, KiCad, MATLAB, LabVIEW, LTspice ✅ Microcontrollers & Platforms: Arduino, Raspberry Pi, ARM Cortex, PIC, AVR ✅ Protocols & Standards: I2C, SPI, UART, CAN, USB, Bluetooth, Wi-Fi Notable Projects and Achievements: ✅ Successfully designed and implemented over 50 custom electronics projects. ✅ Led the development of award-winning prototypes in professional audio electronics. ✅ Expertise in developing embedded systems and integrating various sensors and actuators. Frameworks: ✅ MPLAB X ✅ PlatformIO ✅ Arduino ✅ ESP32 ✅ Raspberry Pi Services I Offer: ✅ End-to-end project development: From concept and design to prototyping and testing. ✅ Custom circuit design and PCB layout for various applications. ✅ Firmware development and debugging for embedded systems. ✅ Technical consulting and troubleshooting for electronics projects. I am passionate about turning complex problems into elegant solutions and thrive on delivering high-quality results. Let's collaborate to bring your electronics project to life!
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Arduino
    Raspberry Pi
    Electronics
    Schematic Capture
    PCB Design
    Product Design
    PIC32
    C
    Python
    Embedded C
    Digital Electronics
  • $20 hourly
    design electronic circuits design program microcontroller circuits implement and design digital electronics 8086 assembly programming ESP8266 Programming ESP32 Programming Arduino Matlab Labview
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Power Electronics
    Schematic
    Digital Electronics
    Consumer Electronics
    X86 Assembly Language
    Microcontroller Design
    Microcontroller Programming
    Electronic Circuit Design
    AVR Microcontroller
    ESP8266
    MATLAB
    PCB Design
    ESP32
    PIC Programming
  • $49 hourly
    With over 20 years of experience in Electronics and Embedded systems engineering, I'm a wizard at turning innovative ideas into cutting-edge solutions. As the founder and lead engineer of High Technologies Solutions, I've led the development of more than 40 successful released into-production projects across North America, Western Europe, and Australia. Whether you're an inspired individual, a small start-up, or a large corporation - I'm passionate about helping you bring your ideas to life with tailored, and cost-effective leading industry-level solutions. Wearable and Smart Electronics, Home appliances, MedTech, EV, Green Energetic, and Industrial areas - I've worked on projects that have made a real difference in people's lives. What sets me apart is the all-in-one comprehensive service and my commitment to staying up-to-date with the latest industry trends and technologies. I'm always looking for new and better ways to approach a project, and I'm not afraid to think outside the box to deliver results that exceed your expectations. So, whether you're a tech guru or a non-tech individual with an innovative idea, I'm the one you can trust to bring your vision to life. Let's work together to make your dreams a reality! ✅ What I can do for you? - Electronics engineering - Prototyping - PCB design (Precision, Low Noise, Flexible, Multi-layer) - Hardware & Firmware engineering (Analog, Digital, Power) - Software, Mobile App, and Server solutions development - Technology and cost optimization - Mass production optimization Technologies stack (but not limited to): Hardware: STM32, ESP, nRF, TMS, FPGA, PLD / CPLD, AVR, Fujitsu, Z-80, AC/DC, DC/DC, Power Electronics Languages/ Technologies: Embedded C / C++, Assembler (Cortex-M, AVR), Reverse Engineering, PHP, RUBY, JS, Solidity, Mysql, NoSQL, Redis, HTML / CSS / SCSS, API integration, Web3, Сonsole C, Altium, KiCad, P-CAD, Sprint layout, Solidworks, Orcad, Diptrace Clouds: AWS IoT Protocols / Standards: GSM / GPRS / LTE, MQTT, SSL / TLS, HTTP / HTTPS, Bluetooth, WiFi, RF, TCP, GNSS, GPS Interfaces: I2C, SPI, UART, CAN, RS, SDIO, PWM, Analog, LoRaWAN, LVDS
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    PCB Design
    GPS
    Mobile App
    Software
    Prototyping
    Bluetooth
    Circuit Design
    Internet of Things
    MQTT
    Driver Development
    Hardware Design
    Firmware
    Minimum Viable Product
    WiFi
    GPRS
    Electronics
    Wireless Communication
  • $64 hourly
    ✅ Top-Rated Upworker - Senior Hardware Engineer, Mass Production Expert, Firmware and Software developer - To Get Your Project Developed From Scratch To Mass Production. With 20+ years experience in electronics engineering designed power, analog and digital electronics, including PCB, embedded and mechanics design. I have served a wide variety of industries and have developed initial concepts and prototype devices as well as producing products that go into full scale production manufacturing. Key Offerings: •Digital circuits design •Power circuits design •Analog, precision and low noise circuits PCB design •Housing and mechanics for electronics •Consulting in electronics •Cost optimization of existing projects •Developing modern analogues of existing devices •Software and firmware development •Server solutions Projects developed by me include: - Compact single board ARM computer/router - Virtual reality suit for medical purposes - Autonomous, solar-powered lamp with controller for DIN-rail - Smart Battery Management System (BMS) - Linux body cam
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Microcontroller Programming
    Solar Energy
    Network Engineering
    Server & Virtualization Software
    Firmware
    Product Development
    Electronic Design
    Hardware Prototyping
    Electronic Circuit Design
    Mobile App Development
    KiCad
    Internet of Things Solutions Design
    Embedded C
    PCB Design
  • $120 hourly
    Physicist specialised in Electromagnetism and Electronics, working like RF&MW engineer from 1989, designing, developing and manufacturing High Frequency devices and products. With a large industrial experience. My main skills are the antenna design, amplifiers, filters, mixers and complex RF systems. Experienced user of simulation tools like ADS, AWR, LTSpice, PSPICE, EM simulators like HPMomentum, FEM, Axiem, CST, HFSS and COMSOL Multiphysics, and PCB design tools like Altium, Eagle, OrCAD, Design Spark, etc.. Equipped with a complete laboratory for prototyping, manufacturing, testing and checking. Services I offer: - RF&MW and industrial consultancy. - Design and development of Electronics products. - Fast Prototyping and Testing. - Technical Reports and Feasibility Studies. - Asistance and support in papers, thesis, essays and scientific publications.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Antenna Testing
    PCB Design
    Electrical Layout Design
    RF Microwave Design
    RF Design
    Digital Electronics
    Amplifiers & Filters
    Circuit Design
    Antenna Design
    3D Modeling
    Hardware Prototyping
    Physics
    Engineering Simulation
  • $68 hourly
    My education includes a M.S. in Electrical Engineering and a B.S. in Electrical Engineering with a minor in Physics from the Milwaukee School of Engineering. I have experience in a wide variety of electrical engineering disciplines including power electronics, analog circuit design, embedded systems and signal processing. My primary fields of study in my Master’s program were power electronics design/analysis, electronic circuit design/analysis and digital signal processing. One example of a previous job function was at DRS-Power and Control Technologies. The project I worked on was the redesign of all power conversion and distribution systems for the next-generation Navy Nuclear Submarine (Ohio Replacement Program). After 1.5 years at this this position, I lead major start-to-finish designs on five separate, interdisciplinary circuit board designs. These designs required heavy design efforts with power and digital embedded systems including microprocessor, DSP, FPGA and GPP architectures.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Hardware Design
    Digital Electronics
    Digital Signal Processing
    Power Electronics
    Layout Design
    Embedded System
    Circuit Design
    Integrated Circuit
    Electrical Engineering
    Engineering Simulation
  • $50 hourly
    Worked with major industry leaders and proved as a creative visionary responsible for building powerful, innovative solutions through application of DSP knowledge and Embedded System expertise. • Conceived and productized SigmaStudio for SHARC - graphical programming support for SHARC processors • Architected, executed and productized 14 fixed-point Audio CODECs, 2 Image CODECs. • Designed more than 30 audio and image post processing, control system and communication algorithms. • Developed and supported software algorithm and system components for digital Radio. • Developed, integrated and participated in field trials of 4 major Automotive Amplifiers - Audio subsystem. • Proved and inventor and technologist responsible for managing high-energy development teams. • Awarded 2 US patents and 2 innovations disclosure in wide area of technologies. • Developed 12 Audio/Image CODECS, 10 Audio based systems, several audio post processing algorithms.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Digital Signal Processing
    MATLAB
    Algorithm Development
    Audio Engineering
    Adaptive Algorithm
    Windows Presentation Foundation
    C#
    C
  • $50 hourly
    Hi, I'm a very experienced hardware design engineer with 12+ years of experience in Electronics Design. I have an expertise knowledge on follwoing fileds: - SCH/PCB designs - EMC consultancy - SCH/PCB designs review - EMC review - Board Bringups, testing and debugging - High-speed Electronic Design - Analog-Mixed Signal and RF Designs
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Internet of Things Solutions Design
    RF Design
    Microcontroller Design
    Hardware Troubleshooting
    Multilayer PCB
    Circuit Design
    Digital Electronics
    PCB Design
    OrCAD
    Altium Designer
    CAD
  • $85 hourly
    I am a PCB designer and firmware developer. I have extensive experience in PCB design and I am very proficient at using KiCAD and Altium as a PCB design tool. I have been using Altium since 2015 professionally and I have my own active Altium license for the PCB works that I have been delivering. I have also been using KiCAD since 2020 and almost half of my clients are using it and I am also delivering PCB designs with KiCAD I develop embedded firmware with C for various microcontrollers. I have lots of experience writing C code for low-level application that needs to directly interact with external/internal hardware. I specialize in timing critical applications, but I am a generalist. I specialize in mixed-signal PCB design, analog electronics, precision design and high-speed electronics. ➡️ What I can do for you ✅ Hardware development ✅ Firmware Development ✅ Electronics Manufacturing ✅ Electronics Fast-Prototyping ✅ Cost and BOM optimization ➡️ PCB Design Tools ✅ Altium Designer ✅ KiCAD ➡️ Firmware Development ✅ C Programming ✅ Low-level Timing Critical Applications ✅ STM32, ESP32, 8-bit/16-bit/32-bit PICs and various ARM cortex MCUs ✅ Working with various wireless modules such as Bluetooth, Wi-Fi, Lora, 4G etc. ✅ Working with various interfaces such as SPI, I2C, USART, USB, CAN. ✅ Data Acquisition firmware with specific sampling rates ➡️ Electronics Design and Development ✅ Hardware Development ✅ PCB layout, Schematic Design ✅ Component and IC selection for various parts in the hardware such as microcontrollers, power supply ICs, connectors, regulators, oscillators, IO expanders, op amps, passive parts and many more. My specialty includes mixed-signal, high-speed and precision electronics hardware design. I focus on test & measurement and data acquisition systems. ➡️ High-Speed, High-Density PCB Design ✅ Controlled impedance and length matching of High-speed traces ✅ Proven records on working high-speed PCBs including USB, HDMI, DDR, PCIe, LVDS, Gigabit ethernet and various interfaces. ✅ 12-Layer HDI PCB routing with micro/blind/buried vias. ✅ PCB designs with more than 1000 components including DDR RAMs, FPGAs, MCUs and various high-speed chips ✅ PCB designs with BGA chips with pitches down to 0.35mm ✅ Design for Signal and power integrity to mitigate EMI EMC issues. ➡️ Mixed-Signal and analog PCB Design ✅ ADC and DAC circuit designs up to 24-bit resolution ✅ Sampling rates up to 100MSPS. ✅ Precision analog front-end designs ✅ Precision and fast ADC driver circuit design ✅ Design for accuracy and precision ✅ Active and passive filter designs. ✅ Data Acquisition systems and firmware development including various processing units such as MCU, MPU and FPGA. ➡️ Hardware Testing & Validation ✅ Hardware Bring up ✅ Basic Functional Testing ✅ Testing in electronics lab environment I have an electronics lab and I am able to test and verify the PCBs that I design for my clients. ➡️ Here is a short list of test and measurement equipments that I own ✅ Digital Oscilloscope ✅ 6.5 Digit Multimeter ✅ Handheld Multimeters ✅ LCR Meter ✅ Arbitrary function generator ✅ Soldering Iron and heat gun for PCB rework and prototyping ✅ Power Supplies
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Embedded C
    Electrical Layout Design
    Electrical Engineering
    Hardware Design
    Electronic Design
    Schematic Capture
    Analog Circuit
    Circuit Design
    PCB Design
    Altium Designer
    KiCad
    Firmware
    Microcontroller Programming
    Embedded System
  • $30 hourly
    I am a qualified PCB design engineer with 12+ years’ experience in the design of electronic systems, PCB Designs and embedded firmware, working full-time freelance. I have experience in various areas of electronic design, including embedded systems, analog circuits, digital circuits, TFT display drivers, LVDS, communication systems, high power switching controls, low power battery-operated devices, battery charging algorithms, Audio Amplifiers, sensors, medical systems, Micro controller (AVR, ARM, PIC, Renesas) based systems and designs. ----------------------------------------------------------------------------------------------------------------- Feel Free to contact me to discuss your project. If you require, I can also assist you in formulating the complete project requirements by recommending suitable technology. No matter what your technical background is, I can transform your product idea into reality using the best and most efficient technology available. If you require I can also fully assist you into moving your product to production, recommending suitable suppliers and providing full technical assistance during the entire process. ----------------------------------------------------------------------------------------------------------------- Some more details about my design experience. Circuits, Schematic & PCB design from ground. Circuit analyzing and debugging. Good in Power Circuits, analog circuits, sensitive circuits, medical circuits. Have good experiences to design the Footprint of the elements and their 3D model and link to the PCB layout. So enable to see the prototype of the designed circuit with 3d. Expert of the Length matching for impedance of the high frequency circuit, Multi-layer designed and added logo images. Enable to make the Gerber and BOM files and manufacture them and soldering too. And to test and shipping to anywhere. EMI/ EMC considerations for Layouts and Signal integrity. Design to ensure minimum noise level for power circuits and signals. PCB optimizing. Tools: Altium designer, Dip trace, OrCAD, Eagle. I have specific microcontroller experience with: - ST: STM32 ARM Cortex series - Renesas : R8C, RX68 series - Microchip: PIC (various) - NXP: 8051 series - Atmel: Atmega, Attiny, Atxmega, AT90CAN, and AVR32 series ----------------------------------------------------------------------------------------------------------------- Past product development experiences highlights include: - Schematic/PCB design of a high performance ARM Cortex-ST32 embedded system with 1024*768 TFT display controlling from a simple micro controller. The output can be taken in the format, Both LVDS and VGA. SD card is associated with the system for saving images. Best display option for microcontroller-based cheap systems for displaying large screens and audio. USB support too. I am done with the embedded software support for the same. - Schematic/PCB design for medical ECG system. Very very low input signal, many stages of amplification, analog filters, ADCs included. Software algorithms are used. - Schematic/PCB design of LI Ion charging system most efficient and cheap. - Schematic/PCB design of a high speed SPI, I2C, communication system, which needs termination and impedance matching. - Schematic/PCB design of isolated power supply. Which should less than 1% noise, obeying ISO-60601 for medical applications. - Schematic/PCB design of ZigBee/IEEE 802.15.4 and 6loWPAN wireless devices both on 2.4GHz band as well as sub-1Ghz (915MHz/868MHz/433MHz) bands with custom PCB trace antenna / external antenna and antenna matching circuit. Also developed related firmware. - Various Schematic/PCB/Firmware design project for high power solid state switching power circuit and motor controls thermal management controls.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    nRF52
    Mechanical Design
    Mobile App
    Wearable Technology
    Altium Designer
    Digital Electronics
    Embedded C
    PCB Design
    STM32
    Reverse Engineering
    ESP32
    Circuit Design
    Medical Device
  • $35 hourly
    Skilled RF engineer with over 7 years of experience in designing, testing, and troubleshooting RF & Antennas systems. - Designed passive Radar System -PET Locator - Designed RF circuits and systems for various applications using simulation tools like ADS, and CST. - Designed and optimized antennas for various applications including S-Band Systems, L-Band Systems, LoRa Module on 915 MHz, 2.4 GHz wireless Systems - Designed and tested PCB layouts for RF circuits and systems. - Debugged RF issues in lab and field environments and provided solutions to improve performance. - Collaborated with cross-functional teams including hardware engineers, software engineers, and product managers to deliver high-quality products on schedule. - Conducted feasibility studies, simulations, and prototype testing to validate new product concepts. - Developed test plans and procedures to ensure products meet performance and regulatory requirements. - Provided technical support to customers and resolved product-related issues. Skills : - RF System Design - Antenna Design - PCB Design : High Speed PCB Design, RF PCB Design - RF Debugging : VNA, Spectrum Analyzer, Oscilloscope - Simulation Tools : Matlab, ADS, CST - Design Tools : Altium - Wireless Communication Systems : LoRa Systems, WIFI systems, Telemetry Systems, Radar Systems, GPS/GNSS - Cross-functional Collaboration - Test Plan Development - Technical Support Delivered Products : - Power Divider/Combiner : L-Band, S-Band - S-Band Receiver Channel : that consist of : LNA, BPF, Digital Step Attenuator, power detector, High Power Limiter - L- Band Receiver Channel : that consist of : LNA, BPF, Mixer, Log Amp - Patch Antenna Design : Conformal antenna, 2x2 antenna on freq 8 GHz, - Dipole Antenna Design : 3 GHz Antenna Design. - Waveguide Antenna Design - and various design that meet client needs Sometimes do Consultation for RF Circuit, Antennas, RF Things
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Antenna Testing
    Circuit Design
    C
    Xilinx
    Verilog
    Electronic Design
    RF Microwave Design
    Antenna Measurement
    Altium Designer
    Multilayer PCB
    Antenna Design
    FPGA
    RF Design
    PCB Design
  • $99 hourly
    I am an Electronics Engineer with over 25 years of experience in analog and digital design. Some of my areas of expertise include: Analog signal conditioning and processing Low power (battery-operated devices) Arduino and other microcontrollers (experience in PIC, STM32, AVR, MSP430, ESP32), both hardware and firmware. IoT devices (sensors and control), over Bluetooth BLE and WiFi PCB design and prototyping Sensors (temperature, pressure, acceleration, vibration, distance, etc.) Basic 3D design and 3D printing Electronics design is my passion, and I'm looking forward to making your ideas and projects a reality. Feel free to browse a small sample of projects I've worked on. Please keep in mind that this is a small sample, since many projects I've worked on are covered by NDA agreements. Thank you for reading, and I hope we can work together on your next great idea. Martin
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Firmware
    Arduino Firmware
    Digital Electronics
    Robotics
    Embedded System
    PCB Design
    Arduino
    Embedded C
    .NET Framework
    Microcontroller
    PLC
    Amplifiers & Filters
    Circuit Design
    Electronic Design
  • $89 hourly
    Lead Electrical Engineer with 7+ years experience developing high quality electronics. From idea, to prototype, to production. My experience in every single step of the process can help you bring your ideas to reality. Below is a summary of some of the technologies I’ve worked with: Microcontrollers ✅ STM32 ✅ ESP32 ✅ ATmega ✅ ATtiny ✅ Intel Cyclone FPGA Communication ✅ Ethernet ✅ Bacnet IP / MSTP ✅ RS485 (Modbus), RS422 ✅ SPI, I2C, I2S, UART, USB ✅ Isolation (magnetic, capacitive and optical) Motor Drive and Robotics ✅ Brushed and brushless DC motors ✅ Stepper motor drives. ✅ Variable Frequency Drives. Power Electronics ✅ Lithium-ion Battery Management Systems ✅ Solar cell energy harvesting (MPPT) ✅ Power over Ethernet Audio ✅ Class-D amplification ✅ Digital Signal Processors ✅ BT streaming (CSR QCCxxxx series) Sensors and Instrumentation ✅ IMUs, accelerometers and motion sensors. ✅ User input via (capacitive touch) buttons, rotary encoders, potentiometers, sliders. ✅ Temperature sensing using NTC thermistors, thermocouples and IC based solutions. ✅ Displays like OLED and LCD Manufacturing ✅ Component sourcing and supply chain design ✅ Cost optimisation ✅ Fast turn-around prototypes using my own assembly line ✅ Help with assembler selection for off- or onshore assembly outsourcing ✅ Design for Test including fixture design ✅ Rapid prototyping, CNC, 3D Printing and laser cutting ✅ Mechanical integration Software Proficiency ✅ Kicad ✅ Altium ✅ Git(hub) ✅ Visual Studio Code ✅ Arduino IDE ✅ Fusion 360 ✅ Inkscape ✅ IntelliJ Software development: ✅ C/C++ (embedded) ✅ Java (desktop UIs)
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Manufacturing
    Circuit Design
    Electronics
    Design for Manufacturing
    Hardware Prototyping
    Hardware Design
    ESP32
    Altium Designer
    KiCad
    C++
    WiFi
    PCB Design
    Bluetooth
  • $40 hourly
    Versatile engineer, with a PhD, focused on electronics, product design and research-oriented devices. I can follow projects starting from a simple idea to a fully functional prototype and straight into production. I can help you with what is important at each step. I design, build, program, and test prototypes with in-house tools and instruments. Key offerings: • System analysis and design • Circuit simulation / LTspice • Electronics design and printed circuit board (PCB) layout with Kicad • Mechanical 2D and 3D CAD work to supplement the electronics or to realize ad-hoc structures and enclosures • Embedded firmware development • Build and test prototypes • Manage product manufacturing and logistics • Troubleshoot and fix failed devices and bad designs. • Labview applications • Matlab scripts I have developed a wide variety of circuit boards, including: • Industry standard 4- and 2-layer boards with surface mount and through-hole components • Products incorporating Bluetooth, BLE, WiFi, LoRa and serial interfaces (SPI, I2C, LIN, RS-232, RS-485) Whether it's taking an existing prototype and turning it into a manufacturable product, or developing a brand new product from the early concept stage, I enjoy providing you with technical solutions that are suitably engineered for your needs. Main Electronics Experience: • Low power battery-operated devices • Microcontrollers • Motor controls • Analog circuits • Wireless/Bluetooth design, • RFID systems, • Sensor solutions • Product security (encryption) • Embedded programming C/C++. Please get in touch and I'd be happy to talk through your job.
    vsuc_fltilesrefresh_TrophyIcon Analog Electronics
    Digital Electronics
    LabVIEW
    KiCad
    Electrical Engineering
    Electronic Circuit Design
    PCB Design
    Electronic Design
    STM32
    Embedded System
    C
    Embedded C
    Sensor
    Firmware
    Microcontroller Programming
    C++
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