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  • $40 hourly
    Expert level electrical and some mechanical/industrial design engineer with 25+ years of experience in the electronic systems hardware development. 3D design of electronic housing. Design from concept to mass production, prototyping and manufacturing. -Electronic circuit and PCB design including multilayer, high-speed, HDI, BGA, -Generation of full manufacturing packages including Gerber files, -Design and development of analog and digital systems, -Laboratory measurement and testing -Troubleshooting and repairing of equipment remotely -Consulting and online support -3D hardware design of enclosure and stack PCB assemblies using SolidWorks -Digital and analog wireless RF, impedance matching, microstrips, EMI, EMC -Antenna design including PCB antennas, feeders -Low power & battery operated devices, fast charging, Solar and other energy harvesting -Motor control -Optic -3D printing, milling and lathe service. I am experienced in: Altiun Designer SolidWorks Protel, PCAD STM32CubeMX Keil, IAR, True Studio, CooCox, AVRStudio SolidCAM, Power Mill ADSimPLL MicroWave Office MicroCap Programming languages: C, ASM Standards and technologies: UART, SPI, I2C, USB, RS232, RS485, BT.656 OLED, LCD, TFT, BLE, MIMS, GPS, RFID Extremely low power design, DC-DC converters, solar cell energy harvesting Lithium battery safe and charging, fast charging Low temperature battery powering
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    Electronics
    PCB Design
    RF Design
    Analog Electronics
    RFID
    Digital Electronics
    Arduino
    Electrical Engineering
    Circuit Design
    SolidWorks
    Hardware Prototyping
    Electronic Design
  • $50 hourly
    I am an Electronics, Robotics, and Automation Engineer, with over five years of experience gained through various challenging projects. Most of them involved working in different project phases, from problem definition to the building of high fidelity prototypes and final products. Skills and experience in following areas ➜ Electronic Product Hardware Development - From initial idea to final product ✔ ➜ Components Selection, Schematic Design, and PCB Layout ✔ ➜ Hardware Debugging, Assembling, Verification and Testing ✔ ➜ Software and Firmware Developing ✔ ➜ Project time and cost planning ✔ ➜ Interfaces and peripherals: DDRx, PCI Express, Gb Ethernet, SATA, PCI, GSM, GPS, HDMI, USB, SATA, LVDS, RGB, JTAG, CAN, Wi-Fi, BLE, SPI, I2C ✔ My office is equipped with: 3D printer, oscilloscope, motors, sensors, power supply device, electronic components, and many other hand tools. Accordingly, I am able to present preliminary solutions to my clients on short notice.
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    Electronic Circuit Design
    Design for Manufacturing
    Hardware Design
    Automotive Design
    PCB Design
    Research & Development
    Multilayer PCB
    Embedded System
    Embedded C
    Digital Electronics
    Internet of Things
    Firmware Programming
    Electrical Engineering
  • $35 hourly
    Hello! My name is Manh, professional hardware engineer My job is design hardware circuit, test circuit, program for electronic product and program software on PC to manage/communicate with circuit boards. Just give me your requirements/product specification. Then we can discuss about the deadline, price and other features. I have more than 7 years experience in design hardware for IoT Products, Consumer Products and Telecom Products. So I think i can try my best to complete your project with best result Below is my work flow in hardware design: - Receive your requirements, discuss to have final product/circuit specs - Design block diagram for circuit: need to very detail, it will decide what part will be used in project - Design schematics: follow block diagram to design schematic for product - Design PCB Layout: with requirement about Mechanical Design and Industrial Design, i will do the PCB Layout the fit with your MD that archive best performance - Extract production data: BOM, CAD, GERBER, DESIGN, ASSEMBLY GUIDELINE, IMPEDANCE CONTROL REQUIREMENTS, ... Something about my experience: - About microcontroller: STM32F0/F1/F2/F4/F7, MSP430, MSP432, ATMEGA, ATSAM, PIC, ... - About SoC and MPU: RK3399, Allwinner A10, RTS3902L/RTS3902, RTL8188/8192, ... - About dev board: Arduino, RPi, Teensy, ... - About Wireless MCU: ESP8266, ESP32, CC2530, CC2538, DA14580/14583, CC2540/41, nRF51822/nRF52840, CC1310, ... - About Sensor: CMOS Image Sensor, light sensor, CO, Smoke Sensor, Dust Sensor, Air Sensor, pH sensor, .... - About wireless communication: WiFi, BLE4.0/4.1/4.0, Lora, Zigbee, Sub1GHz, ... - About GPRS/3G/LTE Module: SIM800C/H, SIM900A, SIM908, SIM5320, SIM5360, Quectel MC60/M95/UC15/UC20/EC20, Sierra HL8548, SIM7600E. - About highspeed PCB Design: DDR3/DDR4, SATA, HDMI, USB2.0/3.0/TypeC, eMMC, ... - About Mass Production: I can help you prepare production data that help you do the mass production. I also have experience in mass production process for IP Camera and Home Gateway with very big quantity, so i will know how to design for manufacturing with your product, design mass production process, etc Some of my product that I have designed and released to the market: - Home IP Camera: using SoC with DDR3-RAM, livestream via Ethernet and WiFi, have light sensor, IR-Led Array, IR Cut control, CMOS Image Sensor, Flash, USB and MicroSD Card - Smart Home Product: Design Home Gateway with Ethernet, WiFi, Zigbee and TFT LCD, ... Design Smart Switch with capacitive touch, Zigbee communication, Single Phase Power Meter, 220VAC/110VAC load control, ... - Tablet board: using RK3399 SoC, DDR3, eMMC, NAND Flash, Touch Screen, LTE Module, Printer driver, ... - Smart Water Meter: With BLE, WiFi, MCU from TI, LCD 7 Segment - Tracking Device: Using 3G with GPS, this device is used for personal tracking ... and a lot of other products ... I hope to work with you, to help you complete your project and release your product to the market
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    Multilayer PCB
    Antenna Design
    Arduino
    LoRa
    STM32
    Eagle
    PCB Design
    Hardware Design
    RF Microwave Design
    Electronic Design
    Microcontroller Programming
    Embedded System
    Circuit Design
    Electrical Engineering
    Microcontroller Design
    Electronics
  • $45 hourly
    Hi, my name is Dmytro. I have over a decade of experience designing electronic products related to analog, digital, embedded MCU and firmware, power supplies and more. I accurately quote and finish projects, following through with promised contracts. Focused on PCB Design/Layout and component selection. Also on the preparation of a PCB for production. My skills: - Altium Designer - Developing electronic circuit diagrams - Developing printed circuit boards ( PCB ) - Programming microcontrollers ARM STM32 - Developing devices for GPS navigation If you have any questions please send me a note, thank you.
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    Microcontroller Design
    Design for Manufacturing
    PCB Design
    ARM Microcontroller
    Arduino
    ESP32
    Multilayer PCB
    Electrical Engineering
    Digital Electronics
  • $90 hourly
    Use of Altium Designer since inception with 20+ years experience and present owner of a service bureau providing PCB Design using Altium Designer. Provided PCB Design for commercial and DoD with extensive work in microelectronics. Experienced with controlled impedance and matched length differential pairs, blind and buried vias. RF, Analog and Digital layouts, microwave communications for broadcast television and color corrector used in broadcast television.
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    PCB Design
  • $28 hourly
    I am an Electronic Engineer with 9 years of experience specializing in hardware design. I am proficient with a wide variety of: - High speed: Ethernet from 10Gbps to 10Mbps, USB, HDMI, PCIe,... - Battery Management System, Battery DC Charger, Solar Charger - IoT Devices, such as: Device measure Air Quality Index, Water Quality Index, Smart Agriculture, Smartswitch, Gas Detector, CO Detector. - Sensors: Electrochemical sensors: CO, NO2, SO2, O3; PM2.5; PM10; pH, EC, DO, Temperature, Humidity, Pressure, Soil Moisture,... - Computer module: Raspberry Pi 4, 3, zero; Computer module PI CM4; IO board for PI - Microcontrollers: STM8, STM32(ST), Kinetis (Freescale-NXP), MSP (TI), PIC (Microchip), ATmega - Connectivities: 4G LTE/3G/GSM/GPRS/GPS of Quectel, SIMcom; Zigbee; LoRa; RF; WiFi/Ethernet, Bluetooth Low Energy 5, ESP32 - Control of Power Equipment such as Motor, Lamp,.. high power - IMU system, Eg: MPU9150, MPU6050 - Powers: AC-DC, Buck, Boost, Solar Charger, DC charger - Active Filter, EMG, EEG device I can take your ideal and transform it into a functioning circuit, delivering design file, prototype PCB and detailed BOM, CAD using Altium Designer, KiCAD, Eagle I enjoy using my creative expertise and knowledge to provide my friends and clients with the best solution. I like complicated and challenging requests, and my sense of tackling hard jobs make me ready for almost any job in my area of expertise, little or big. Thank you for visiting my profile!
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    Embedded C
    Sensor
    Firmware
    Hardware Design
    Eagle
    Raspberry Pi
    ESP32
    KiCad
    PCB Design
    Schematic
    Microcontroller
    Power Electronics
  • $125 hourly
    • PCB Design (New and Sustaining): Schematic Capture / Layout in Altium Designer • PCB Level Hardware Prototyping, Debug, Assembly • Contract PCB Manufacturer Management • Microcontroller Firmware Development in C (5000 lines of code or less)
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    PCB Design
    Electronic Circuit Design
    Product Design
    Electronic Design
  • $300 hourly
    Versatile engineer focused on electronics and product design, with strong emphasis on high-complexity printed circuit board designs with a focus on design for manufacturability. I design, build, program, and test prototypes with in-house tools. 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. Extensive design experience on Altium Designer, including detailed layout incorporating 3D CAD models. Certified IPC Designer Council PCB Designer (CID). Whether it's taking an existing Arduino / Raspberry Pi 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. I am a graduate of the California Institute of Technology (Caltech), with a B.S. in Engineering and Applied Sciences. I am located in the Pasadena / Los Angeles-area. I am a U.S. Citizen and am available for travel domestically and internationally. Key offerings: • System analysis and design, including key technical and market considerations for success • Electronics design and printed circuit board (PCB) layout with Altium Designer • Mechanical CAD work to supplement the electronics, including sheet metal work • Develop bare-metal firmware and embedded-OS software • Build and test prototypes • Manage regulatory testing • Manage product manufacturing and logistics • Troubleshoot and fix failed devices and bad designs. • Assemble / repair prototype devices. I can use many formats of customer-supplied data from other electronics design software, and mechanical data from Solidworks and other standard CAD data formats. I have developed a wide variety of circuit boards, including: • Industry standard 4- and 2-layer boards with surface mount and through-hole components • Higher-complexity board (very high layer count, blind/buried vias, HDI) • High-speed / high-density boards with length-matching and tuning • Circuit boards with complex mechanical dimensional requirements • Flex and rigid-flex circuits with features on multiple work planes. • Products incorporating Bluetooth, BLE, WiFi, and serial interfaces (SPI, I2C, LIN, RS-232, RS-485) I design, assemble and test prototype electronics with in-house equipment. For volume production, I can arrange turn-key manufacturing for you. Partial list of equipment: • Prototype SMD assembly and rework tools • Othermill CNC PCB milling system • SMD Pick-and-place for short-run PCB assembly (over 3,000 CPH) • 3-axis CNC mill for enclosure / custom metal fabrication • Multiple 3D Printers • 4-Channel 500 MHz DSO, 500 Msps logic analyzer • Thermal imaging camera Please feel free to challenge me with your tough projects!
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    PCB Design
    Embedded System
    Prototype Design
    Compliance Testing
    Multilayer PCB
    Mechanical Design
    Digital Electronics
    Product Development
    Firmware
    Engineering Design
    Hardware Prototyping
    Electrical Engineering
  • $60 hourly
    10+ years of freelance product & project management for PCB design and layout, firmware programming, and rapid prototyping. Here is a non-exhaustive list of relevant software/protocols/chipsets: - Strong C++, C, and C# - PCB layout and schematic capture with Altium, Cadence, Eagle, etc., with multilayer, flexible, high-speed embedded systems - FPGA programming with Verilog/VHDL: Altera Quartus, Xilinx, iCECube - Experience with low-cost MCU/single-board prototyping platforms: Arduino, Beaglebone, Raspberry Pi, NanoPi, etc. - ARM: ATSAM, STM32, PIC32, A13, FreeScale, MSP, NXP - MPU: Pic33F/18F/16F, Atmega 80251, 8052, 8951, 8051, 16, 32, 128 - Digital interfaces and wireless transmission: UART, I2C, SPI, BLE, BT, GSM/GPRS/GPS, xBee, ZigBee (particular experience with BLE HM10, HC05, ESP32, DA14508, nRF52832, 52840, BlueNRG) I also have a background in mechanical engineering and industrial design; I can implement my work into fully realized products for you. Expect me to help your business as if I am growing my own.
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    Microcontroller Programming
    ESP32
    Core Bluetooth
    Power Electronics
    Computer Hardware Design
    Firmware
    PCB Design
    Wireless Communication
    LED Physics
    Electronic Circuit Design
    Rapid Prototyping
  • $44 hourly
    Main work profile: battery chargers, USB Power Delivery, analog interfaces for sensors, low and high-speed ADCs, Bluetooth and wired data exchange, onboard local power sources (step-up, step-down, etc...). Optimizing schematics/PCB/BOM (simple IoT or simple devices based on most popular components) for fast and low cost assembly. Assembly time can be reduced from 4-6 weeks to 1-2weeks, assembly cost can be reduced by 2..5x times. This works only for prototypes or small orders (<50pcs)! Experience in electronics design - 18 years Deep knowledge in Altium Designer, KiCAD and P-CAD. Also can freely work in EasyEDA, Diptrace, Eagle, MultiSim
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    ESP32
    Microcontroller Design
    Electrical Layout Design
    Circuit Design
    Arduino
    Digital Electronics
    C#
    Electronics
    Hardware Prototyping
    KiCad
    Embedded System
    Bluetooth
    Electrical Engineering
  • $42 hourly
    Chief Technical Officer of Future Mechanics. Hardware & embedded software engineer with 10+ years of experience, specializing in the development of enterprise-level solutions. Based in Kyiv, Ukraine, "Future Mechanics" is an outsourcing RnD center of the “Industrial Lab” kind. Our activities include research and development, prototyping, and low-volume production of mechanical and electronic devices. Skills: SolidWorks, Altium Designer, Motion Simulation, Flow Simulation, MicroCap, ARM STM32, Embedded C, C++, C#, CubeIDE, Eclipse, Qt Creator
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    PCB Design
    Mechanical Engineering
    Robotics
    Embedded System
    Project Management
    Mechanical Design
    Electronic Design
    Hardware Prototyping
    SolidWorks
  • $25 hourly
    Hardware and Firmware development. Power electronics and Motion Control simulation, prototyping and testing. Electrical machine design and SMPS development.
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    Eagle
    KiCad
    MATLAB
    PCB Design
    Raspberry Pi
    ESP32
    Firmware
    STM32
    nRF52
  • $50 hourly
    I have been working for more than 6 Years in the field of PCB designing. I take your idea and transform it into a functioning circuit, delivering design files, prototype PCBs, and detailed BOM.VHDL,Python C,C++, PCB. I have extensive experience in areas including PCB design, Embedded System, Analog and Digital Circuit Design, Circuit Simulation, OpenCV, Computer vision, 3D scanning, Artificial Intelligence, ImGUI, Linux, RPi, Arduino, etc.
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    Firmware Programming
    Computer Vision
    Hardware Prototyping
    Microcontroller Programming
    PCB Design
    C++
    Embedded Linux
    Arduino
    ESP32
    STM32
    Embedded C
  • $129 hourly
    LEED Green Associates. Designing MEP engineering designs for residential, commercial and industrial use. Active Professional Engineer (P.E.) licenses for Texas, Florida, North Carolina, California and Colorado states.
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    Electrical Engineering
    Autodesk AutoCAD
  • $35 hourly
    Experienced engineer specializing in electronics and product design, with a keen focus on intricate printed circuit board designs, prioritizing manufacturability. My expertise spans the entire product development cycle — from conceptualization to prototyping, utilizing in-house tools for design, construction, programming, and rigorous testing. I possess a diverse portfolio, having contributed to various industries. This ranges from formulating initial concepts and building prototype devices, to orchestrating the seamless transition to large-scale production manufacturing. More detail about Embedded platforms of my design experience: Primary Offerings: - Hardware Design and printed circuit board (PCB) layout with Altium Designer - MCAD collaboration for product design - Build and test prototypes(in-house assembly capability and testing equipment) - Help and management in product manufacturing - Troubleshoot and fix incomplete or failed designs - Bare-metal and RTOS based firmware development I have crafted an extensive array of circuit boards, encompassing: - Standard 2 and 4-layer boards with surface mount and through-hole components - HDI boards upto 14-layers - Highspeed boards with controlled impedance and length matching - Flex and rigid-flex boards for complex mechanical shapes - Products having Bluetooth, BLE, WiFi, serial interfaces(SPI, I2C, RS-232, RS-485, CAN) and highspeed interfaces(USB2.0, USB3.0, PCIe, SATA, MIPI CSI-DSI, Ethernet). Whether it entails transforming an existing Arduino/Raspberry Pi prototype into a marketable product or crafting an entirely new offering from its inception, I take pleasure in delivering tailor-made technical solutions that precisely align with your requirements. Have any product idea, contact me through Upwrok to discuss!
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    Electrical Engineering
    FPGA
    Bluetooth LE
    nRF52832
    ESP32
    STM32
    Internet of Things Solutions Design
    Industrial Internet of Things
    Multilayer PCB
    Hardware Design
    Embedded System
    PCB Design
    Hardware Prototyping
  • $56 hourly
    Electrical/Electronics design engineer with 6+ years of experience. Control systems design expert with an emphasis on novel product design. Arduino, ESP32 and Raspberry Pi master. Microprocessor professional. PCB/circuit design, schematics, in-person testing, circuit simulation and more offered today: 🎛 Control Systems Design Expertise 💰 Bill of Materials (buy list with sources included) 💻 PCB Design (manufacturing/production sources included) 🧰 In-Person Hardware Testing 👨‍💻 Coding (tested, modular, scalable) (C/C++, Python, Assembly)🖥️ Circuit Simulation 🎛 Control Systems 🏽 Microprocessors ⌨️ Arduino 💻 RaspberryPi 🕸 IoT 🔌 Power Systems 📡 WiFi ☀️ Solar Power 🔋 Batteries 🌐 Ethernet 📱 Cell (3/4/5G) 👨‍💻 C/C++/Python/Assembly 🧪 Multisim, Teststand, MATLAB, Simulink, and more I specialize in control/embedded systems design and have designed boards for industrial electrostatic disinfectant sprayers, pick and place machines, solar powered fish farms, universal phone chargers, guitar pedal effects, electric vehicle charging, 40 ton industrial chicken fryers and much more. My backgrounds include industrial manufacturing, university research laboratories, and consumer product design. I focus on small to medium control systems and PCB design. I like to work with microprocessors, microcontrollers and microcomputers to design logic systems for people who have novel ideas and need an electronics expert's know how. I'm all about working with large or small businesses to help make the product of your dreams. 🏢 Corporations🚀 Start Ups 🏭 Industrial 🔬 Uni Research 🎨 Hobby 🎓 Electrical/Electronics I'm an electronics engineer with a degree from the University of Georgia and over 6 years of experience. My embedded systems journey began under Dr. Haidekker modeling power microgrid structures intended to solve rolling blackout problems. I helped design, test and write firmware for four PCBs we researched and later published a research journal on our findings. I have industrial manufacturing experience with an electrostatic disinfectant sprayer manufacturing company ByoPlanet. I designed data collection systems and autonomous tests for R&D and control systems for product safety testing. During my time at ByoPlanet, I improved test stand parameter precisions by 120%, decreased test stand operation time by 1000% and designed a control board for a handheld consumer disinfectant sprayer produced in conjunction with Clorox. My PLC experience began with MP Equipment, a food service industrial manufacturer. During my time there I increased precision of both versions of batter mixers by 20%, redesigned the control cabinet for a 40 ton fryer, and created modular electrical schematics for multi million dollar machines. I also worked for Niverplast, a Dutch packaging machine manufacturer to design and install packaging manufacturing lines. 📨 Constant Communication 🗓 Setting/Meeting Deadlines 🔍 Attention to Detail 🌎 24/7 Availability 💸 Budget Friendly 📚 In-Depth Research and Planning I aim to satisfy all clients by providing clear communication, realistic deadlines and a great attitude. Message me with any questions! I aim to keep my response time quick.
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    PLC Programming
    Electrical Design
    Consumer Electronics
    Research & Development
    Automation
    ESP32
    Microcontroller Programming
    Python
    PCB Design
    Raspberry Pi
    Embedded System
    Arduino
    C++
  • $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 Altium Designer
    Electronic Design
    Embedded System
    Circuit Design
    Digital Electronics
    Analog Electronics
    Hardware Prototyping
    Electrical Engineering
    Firmware
    Embedded C
    Embedded Linux
    Hardware Design
    PCB Design
    Internet of Things Solutions Design
  • $135 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 Altium Designer
    Electronics
    Analog Electronics
    PCB Design
    VHDL
    Circuit Design
    Electronic Design
    Digital Electronics
    Analog Circuit
    C
    Microcontroller Programming
    Python
    Embedded System
  • $28 hourly
    More than +15 years working on electronic design projects. From High School, University and next with many companies. +50 electronic design projects. I have developed projects from the idea, prototype, testing and volume production. Working +1 year on PCB company I learned PCB DFM (Design-for-manufacture) and next working designing electronic devices to market, I learned to design choosing better components to have availability to mass production, working with outsourcing companies in Taiwan and China. Bachelor of Electronic Engineering since 2008. My final project was an ECG portable to PDA´s., made on SMD and Eagle software. I work on my lab making electronic prototypes and test almost time. I have bench DMM, Function Generator, Oscilloscope and a set of tools to test the PCBs. I have made PCB and electronic design projects for other companies and engineers., which add experience to Schematic+PCB+BOM+Gerber files, excellon files, EPS. Design for manufacture (membrane keypads, plastic cases, Aluminum cases, etc) Embedded programming microcontrollers of the next families: Freescale HC08, HCS08, QT, QG. TI MSP430, Atmel ATTINY, ATMEGA, ARM-SAM3N, STM32, dsPIC. Worked with the next Boards: Arduino (Uno, Mega, Nano), Particle (Photon, Electron), Intel Galileo Gen 1 y 2, Intel Edison. Using the next peripherals and technologies: Interface Bluetooth v2.0, V4.0 module (Parani, Bluegiga, Nordic,), RF modules (Nordic), USB (FTDI), RS232, SPI, I2C, ADC, Qtouch, GPIO. Real experience working with the next software: Eagle Cadsoft, Altium Designer, Orcad, Matlab, Scilab, Pspice, AVR Studio, Codeworks, MPLAB, Android Studio, Autodesk Inventor, Autocad, Corel Draw, Github.
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    Prototyping
    Circuit Design
    Microcontroller Programming
    Digital Electronics
    Embedded C
    Multilayer PCB
    Analog Electronics
    Arduino
    ESP32
    PCB Design
    Eagle
    Hardware Design
    Electrical Engineering
  • $49 hourly
    1) RF System & mmWave I'm a RF engineer having more than 20+ years experience in the development and production of RF system and Antenna and other electronic device development. I have rich experiences in designing of RF system and programming of several MCUs and high performance FPGAs. I also used to design various wireless circuits such as the antenna, the power divider, the directional coupler and so on using RF simulation program such as CST and ADS. I have plenty of experience designing embedded devices using many types of micro-controller or wireless modules. In this period, I have used various sensors such as cameras and have experience in driving LCD display and LED matrix display devices, and also have experience in controlling motor and design of audio circuits. Some of these devices have the modules of Ethernet, Bluetooth, WiFi, zigbee, LoRA, GSM, NBIOT and so on. I am designing the devices using the Altium Designer, CST Studio, ADS, AutoCAD, Solidworks and so on. 2) Development of firmware For high efficiency and high reliability, I have used to develop my own firmware of the devices which I have designed by myself. I have used several applications such as Quartus (including ModelSIM), Keil IDE, IAR IDE, MPLAB X IDE, Atmel Studio, Arduino and ESP-IDF for the firmware's development. I have a wealth of experience writing an RTOS-based firmware. I also developed many firmware based on various communication protocols such as RS485, CAN, MQTT, TCP / IP and NB-IOT. Of course, many more modern IOT-related firmware using Bluetooth, WiFi, and zigbee have also been developed. 3) Product Sourcing Agent I have been involved in electronic product development for a long time, and I have full experiences of a comprehensive research, development and production from electronic product design to production completion. Of course, for marketed goods, I have also my own methodology to manage whole processes to ensure that our products have the competitiveness in the world market. Actually, I have enough experience in the previous company to produce the access controllers of more than 50,000 per month for more than 7 years.
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    RADAR Construction Management RADAR
    Antenna Design
    RF Microwave Design
    Bluetooth
    Medical Device
    Power Electronics
    Embedded System
    Electronic Circuit Design
    Wireless Communication
    ESP32
    WiFi
    Multilayer PCB
    3D Design
  • $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 Altium Designer
    Internet of Things Solutions Design
    RF Design
    Microcontroller Design
    Hardware Troubleshooting
    Multilayer PCB
    Circuit Design
    Digital Electronics
    PCB Design
    OrCAD
    CAD
  • $50 hourly
    /* Practical experience in the design of printed circuit boards for over 15 years: - multilayer, BGA, DDRx, Eth1Gb/s, MIPI, DSI, wireless, etc; - creativity, punctuality, responsibility, attention to details; And also great programming skills: - Cortex M0, M3, M4, AVR, ESP32, EFR32 - Embedded C/C++ - TouchGFX, LVGL - Modbus RTU - Connect Stack (wireless star network) - MQTT - AES128 - I2C, UART, SPI, I2S, CAN, 1-Wire - PWM / Phase PWM - 7-Segments, character, graphic, TFT displays - DC, BLDC, STEP motors - Sub-1 GHz Transceivers (CC1101, RFM12B) I can also organize for you the production of prototypes and series of PCBs */
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    Digital Electronics
    Atmel AVR
    Electronic Design
    Microcontroller Programming
    C
    SolidWorks
    Analog Electronics
    PCB Design
  • $80 hourly
    Creating, development, inventing, finding best solutions are what I like to do! I have about 10 years of development in hardware, firmware and software. Here I described just some things I did. I do hardware design(PCB and mechanical), firmware and software also. Hardware: PCB design, testing, manufacturing, optimizing, soldering, debugging and troubleshooting. I use Altium Designer. I have experience of optimized PCB routing. I estimate parameters for High Data Speed Layout, High Current layout, Layouts with optimized EMI radiation. I do manual routing in multiple layers. I do replacement of DC relays to safe and robust high current solid state switches with digital on/off controll. I do high density PCB routing when board has space restriction and size limits. My hardware development experience also includes: UWB transmitters, Power Controllers(Solid state high current digital power switching), Ethernet, Embedded Systems, Bluetooth devices and others I also like Atmel MCUs and Arduino Boards for simplicity in connecting sensors and another peripheral devises. Depending on a project I can use both simple small MCU like ATtiny or ATmega. It is possible use well known Arduino environment to do firmware and program boards which I develop. I developed temperature controller boards both with digital temperature sensors and with NTC sensors. I implement some tricks with NTC sensors which allows to calibrate it with very high precision in a wide range of temperatures from deep frost to few hundred degrees. I did boards for step motors, step controllers and step drivers. One of my resent project with step motors was digital controlled board and mechanical platform for sky tracking for time lapse shooting. I also work with 3D printing and 3D design. I can do and print mechanical parts, case, stand, holders etc. I can also help you to setup your 3D printer. I use Simplify 3D software for printing and prefer SketchUp for creating models I have also big experience in firmware and embedded projects. Here is my experience with FPGA: Xilinx, Altera, FPGA, Software MCU, PicoBlaze, DSP. I develop FPGA code both in VHDL and graphical representation via Altium, which are much easier to read and do embedded projects connected to PCB layout. I like team working and always provide detailed documentation and description for software/hardware features and provide support in troubleshooting. I always try to make the most simple, flexible and easy to understand interface and do clear description for easy project understanding. So it is easy for new people to join or transfer project. I had also experience in Java Development both for Desktop and Web Server applications . I worked more then one year with Liferay portal and Portlet development. I designed data base structures, program structure and interactive user interface. I worked with Javascript CSS, HTML, HTML5 graphics processing. CMS Joomla and Wordpress, PHP. I used Java for complicated Desktop application for Windows, including background system event capturing, like keyboard press. I am co-founder and electronic engineer in superior company for ground penetrating radars in Sweden - ImpulseRadar. There for I do not work with competing companies and projects which can potentially compete activity of my company. I am always interested in new inspiring projects and communication. If I do your project, I go deep inside and keep it in mind, finding best solution and discussing variants. I like bring ideas to life. The more challenging - the more interesting!
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    Xilinx
    Java
    Embedded System
    Electronic Design
    Atmel AVR
    Firmware Programming
    Arduino
  • $105 hourly
    # Altium Designer # Work on complex designs with FPGAs (>1000 pins), CPUs, DDR2/3/4, Ethernet Switches. # Most designs have USB, SATA, RGMII, SGMII, 1G/10G Eth. # Controlled impedance/length matching, via back-drilling, blind/buried vias, HDI. # Designs range from small (<100 comps) to large systems (multiple PCB >2500 comps each). # Worked on Automotive, Mil-spec/Tempest, Space, High Power (> 50A, > 500V), Audio, Mixed A/D, & RF. Services provided: # PCB Layout -- High Speed, Mixed A/D, RF, Audio, High Power, Telecom, Test, Mil-spec/Tempest. # Schematic Capture -- Hierarchical or Flat, BOM selection, Sim/Signal Integrity. # Library Management -- Schematic symbol, PCB footprint, integrated 3D info in footprints. # Electronic Design -- High Speed, A/D, Audio, Mixed. # Electronic Design starting from the ground up to the end.
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    Digital Signal Processing
    Printed Circuit Board
    Electronic Circuit Design
    Circuit Design
    Robotics
    Digital Electronics
    Schematic Capture
    Mechatronics
    PCB Design
    Electronic Design
    Analog Electronics
    Electrical Engineering
    Electrical Layout Design
  • $120 hourly
    First and foremost, I know my hourly rate is high, but being an extremely quick problem solver, I will spend fewer hours finishing your project compared to an average freelancer, while making sure that quality is at the highest level. Please DON'T consider hiring me if: - you are looking for a beginner/mediocre developer that will do the job for you as cheaply as possible - you don't want to discuss and answer questions, share a wider context about your project. I want to provide my services as I was your business partner. - my work doesn't create more value for you than your investment in my work. Key Services: - Design from scratch - BOM optimization - Production management APPLICATIONS • RF design (GPS/GSM/BLE/Wi-Fi/Zigbee) • FPGA • CPU (Allwinner, i.MX6, i.MX7, i.MX8, and others) • Ethernet • Android/Linux and other processor-based devices • USB 2.0/3.0, USB-C • IoT • SMPS power supply, Wireless QI chargers • GaN Chargers and wall adapters • Embedded MCU systems • MEMS (Accelerometer, Gyroscope, Magnetometer) • LED lighting SERVICES • PCB Design & Layout • Electrical Engineering • Realistic 3D PCB Modeling • Prototyping (PCBA) • Cost-effective design consulting • Mass production management • DFM guide OUTPUT • Schematic • Layout • Gerber • BOM • Pick&Place • 3D Model
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    WiFi
    PCB Design
    Microcontroller Programming
    Power Electronics
    LED Physics
    Raspberry Pi
    Electronic Circuit Design
  • $85 hourly
    Freelance Electronic Designer specializing in PCB and Schematic designs using Altium and EagleCad. 30 years of Electronics Experience with discrete, digital, power, microprocessor, RF, and USB designs. Currently building an innovative device for Amateur Radio Digital Communications as a personal project. Have completed certified circuits for Aviation and Marine environments.
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    PCB Design
    USB Electronics
    Circuit Design
    RF Design
    Eagle
    Electronic Design
    Multilayer PCB
  • $40 hourly
    Electrical and Electronic Engineer with +6 years of experience in designing Electronics sub-systems & Firmware Development, Hardware Validation and snapping across multiple Industries ( Research, Healthcare, Military and Consumer Electronics). Expertise in providing One Stop Solutions from Architecture Development, PCB designing, Automating Hardware to product mass production with experience in FCC, UL and ATEX requirements. IoT Product Development | Build Embedded Devices | Firmware | PCB | RTOS | LoRa | Azure IoT| BLE | Embedded Linux | ARM | FPGA | STM32 | ESP32 | nRF5 | Raspberry PI | Jetson | Arduino.
    vsuc_fltilesrefresh_TrophyIcon Altium Designer
    NVIDIA Jetson
    Bluetooth LE
    ARM Microcontroller
    Azure IoT HuB
    AWS IoT Core
    LoRa
    C
    PCB Design
    Embedded C
    Raspberry Pi
    ESP32
    FreeRTOS
    CAN Bus
    Python
    STM32
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