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  • $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 Electronic Engineer
    Product Design
    Electronic Design
    Hardware Prototyping
    Arduino Firmware
    Firmware
    Circuit Design
    Injection Mold
    Mechanical Design
    RF Design
    Electronics
    Product Development
    3D Printing
    SolidWorks
    PCB Design
    Electrical Engineering
  • $90 hourly
    The services that I offer are circuit design, PCB Design, PCB design review /consulting for cost optimization, circuit board prototyping, embedded design, Arduino and firmware development in C/C++, and power electronic design. I have 8 years of experience in embedded design, circuit design, and PCB design. I'm highly experienced in cost optimizing PCB designs for manufacturing due to experience working at a circuit board assembly manufacturer. I've done a lot of analog circuit design for audio and power supply circuits. I have designed a wide variety of switch mode power supply topologies at power levels from 1W to 300kW. I have extensive experience in PCB design specifically for power electronics to minimize parasitics and maximize efficiency. Most of my experience with microcontrollers is with AVR and Atmel/Microchip ARM using the Microchip Studio ( Previously called Atmel Studio) . I also have a lot of experience with Arduino and embedded design with microcontrollers that are supported by Arduino. The software that I'm fluent with are, Atmel studio, Altium Designer, Circuit Studio, Diptrace, Multisim, Ultiboard, Viewmate, LT Spice, Tina, and Solidworks.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Multilayer PCB
    PCB Design
    Altium Designer
    Embedded Application
    Electronic Design
    Electrical Engineering
    Circuit Design
    Power Electronics
    Electronics
    Music & Sound Design
    C++
    User Interface Design
    ARM Microcontroller
    Arduino
  • $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 Electronic Engineer
    Internet of Things Solutions Design
    RF Design
    Microcontroller Design
    Hardware Troubleshooting
    Multilayer PCB
    Circuit Design
    Digital Electronics
    PCB Design
    OrCAD
    Altium Designer
    CAD
  • $130 hourly
    Based in Portland Oregon USA, I am a senior level electrical engineer with over 25 years experience in the design of circuitry incorporating various microprocessors / DSPs, and development of embedded C / C++ firmware. As a full-time freelancer, I specialize in creating intelligent control electronics through the use of wired and wireless sensors. I have a Master of Science degree in Electrical Engineering with a digital signal processing concentration. I can assist clients in any of the following areas: - Digital and analog electronic circuit schematic design, PCB design, test, debug, and integration - Electronic prototyping and preparation for product commercialization - Embedded processor firmware design (drivers, application, and DSP algorithms), development, debug, and integration - Initial project framework (specification writing, structuring, and system design). Projects I regularly help clients with: - Hand held and remote meters - OBD vehicle electronics - Wired and wireless sensors - High performance audio capture / processing / reproduction and audio CODEC - Medical wearable devices - Low power battery driven electronics - IoT device to server electronics and firmware (MQTT, HTTP / HTTPS / JSON protocols) - Device to device electronics and firmware (BLE, ISM, WiFi) - BLDC and BDC motor control Summary of processors & tools I use: - Processors: ST Micro STM32F0 / STM32F1 /STM32F3 / STM32F4 / STM32F7, Analog Devices BlackFin BF706 DSP, SHARC 210xx and 214xx DSP - Embedded IDE tools: IAR EWARM, Analog Devices CrossCore Embedded Studio - Embedded IP libraries: Segger emWin GUI, Segger emFile FAT file system, SQLite, OBD Experts vehicle OBD-II, Micrium uC/OS-II RTOS, FreeRTOS, MicroDigital smxFS FAT file system, Closed Loop Design (CLD) USB Audio, Adaptive Digital Noise Reduction - Interface: SPI, I2C, I2S, CANbus, UART, A/D, D/A, PWM, SDRAM, RGB TFT LCD, SAI - Wireless: SimCom SIM7500 LTE, uBlox MAX-M8 GNSS, Sierra Wireless BC127 Bluetooth, Telit HE910 3G, Linx Technologies GNSS / GPS, Roving Networks RN171 WiFi, Atmel ATWINC1500 WiFi, TI CC1101 sub-1GHz ISM band, MicroChip RN4020 Bluetooth Smart / Low Energy (BLE) - Schematic capture: OrCAD - Drawing tools: AutoCAD LT - Analog simulation tools: CircuitLab - Version control: SubVersion and GIT Project keywords: BLDC and BDC motor control, medical devices, wearable devices, high performance audio capture/processing/reproduction, hand held meters, OBD electronics, brushless, brushed DC motors, audio CODEC, Qi battery charger, wireless charging, Li-Ion Li-Po battery management, STM32F030, STM32F072, STM32F101, STM32F103, STM32F427, STM32F429, STM32F756, SHARC ADSP-21487, CAN bus, STM32, ARM, Cortex, Black Fin, Nordic nRF5340
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Analog Circuit
    Circuit Design
    STM32
    Digital Signal Processing
    Embedded C
    Microcontroller Programming
    Embedded System
    PCB Design
    Microcontroller Design
    Hardware Design
    Digital Electronics
    Firmware Programming
    Electronics
    Electrical Engineering
    Prototyping
  • $90 hourly
    Whether your idea is bound for a Kickstarter page or a surgical suite, I can help you make it happen. With: 12 years of experience in 3D modeling and 3D printing mechanical designs, 10 years of experience writing code for embedded devices, 8 years of experience working with robotics, 6 years of experience in designing PCBs, and 1 degree in Biomedical Engineering I have the tools, knowledge, and skills necessary to help you build nearly anything. Want to go from "here's a concept" to "here's a prototype" in 20 words or less, by the end of next week? We can do that. Want to be intimately involved every step of the way from the initial designing phase, to CAD/eCAD design, to programming, prototyping, manufacturing plans, first batches, and beyond? We can do that too. Success is the name of the game, and I'm here to help make it happen.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Embedded System
    Arduino
    PCB Design
    Bluetooth LE
    3D Printing
    LoRa
    Electronic Design
    Mechanical Design
    Product Design
    Hardware Prototyping
    Microcontroller Programming
    Electronics
    Prototyping
    3D Modeling
    3D Design
  • $100 hourly
    I am a Telecommunications Engineer with strong background in Embedded Systems. I have designed multiple products for use in ATEX / IECEX environments and developed software to meet IEC 61508 standard.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Electronics
    Compliance Consultation
    Electrical Engineering
    Circuit Design
    C
    Embedded System
    Embedded C
    PCB Design
  • $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 Electronic Engineer
    Firmware Programming
    Computer Vision
    Hardware Prototyping
    Microcontroller Programming
    Electronics
    PCB Design
    C++
    Embedded Linux
    Arduino
    ESP32
    STM32
    Altium Designer
    Embedded C
  • $75 hourly
    Professional Summary: Electrical Engineer experienced in developing electronic products and automated test equipment/ procedures for commercial/industrial and aerospace/defense programs. Responsibilities include application of electrical hardware experience, analog / digital circuit design including simulation, validation, project management, efficient documentation including new product cost and excellent oral / written communication skills. Professional Experience: Rexnord Industries LLC (Zurn) 03/2018 –Present Cary, NC Senior Electronic Hardware Design Engineer • Lead hardware design of PCBs for IOT products serving the water control market (pressure relief valve monitors, sensor operated flush valves and faucets, incorporating RF LoRa, USB, Ethernet, I2C, serial, SPI, CAN, etc.). Responsibilities include technical specifications, system design, schematic capture, power management including DC-DC conversion and motor/solenoid control, PCB layout, design for cost, design for test, design for manufacturability, RF performance, EMC and FCC compliance, product safety, Firmware and programming, design validation testing and system integration. ARCA Technology LLC 01/2016 -03/18 Mebane, NC Electrical Engineer • Performed hardware/firmware design of PCBs for teller assisted self-service machines (cash, coin, cards, checks, printers, near field communications, Bluetooth, WIFI, ethernet, USB, serial, etc.). Responsibilities include requirements development, technical specifications, schematic capture, PCB layout, power management, motor control, configuration management, prototyping, design validation testing and systems integration. Ensign Bickford Aerospace and Defense Co. 2010 - 2015 Simsbury, CT Electrical Design Engineer • Lead electrical design of cross functional team (Requirements, schematic capture, simulation, power conversion via numerous topologies, PCB layout, embedded firmware (embedded C, ASM), high voltage DC/DC boost converter design (3.6 VDC to 1200 VDC, 1 W)) for explosive plug used in oil and gas exploration. • Responsible for microcontroller firmware (embedded C, ASM) and hardware design of custom automated test stands utilizing custom printed circuit board designs, and various National Instruments data acquisition components in support of electrical safe and arm devices (ESADs) to perform flight termination on several missile platforms for Raytheon and Lockheed Martin. • Performed electrical design of numerous defense and aerospace applications involving peripherals such as I2C, SPI, USB, ETHERNET, etc. Responsibilities included MIL-STD-810, MIL-STD-461 compliance and conformance to MIL- HDBK- 217. Examples include, shoulder mounted missile (SMAW II logic control unit for USMC) (3 VDC to 1500 VDC, 10 W) and special test equipment for firing actuators aboard several missile platforms, etc. United Technologies Corporation (UTC Power and Pratt and Whitney Power Systems) 2007 – 2010 South Windsor, CT Electrical Design Lead Engineer • Lead the electrical design of the PURE CYCLE, 280 kW, 480 VAC, 3 phase, power plant including power conversion (AC to DC and DC to AC), control firmware (embedded C) and instrumentation. • Validated electrical power generation and control systems for compliance with NFPA 70e (NEC), UL-508, UL-1741, IEEE-519 and IEEE 1547. • Served as the lead technical liaison for electrical systems for contract manufacturers, integrators and customers.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Bluetooth
    Microcontroller Programming
    Digital Electronics
    Hardware Prototyping
    Embedded System
    Electronic Design
    Product Development
    Firmware Programming
    Testing
    Product Design
    PCB Design
    Hardware Design
    ESP32
  • $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.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Microcontroller Design
    Design for Manufacturing
    PCB Design
    ARM Microcontroller
    Arduino
    ESP32
    Multilayer PCB
    Altium Designer
    Electrical Engineering
    Digital Electronics
  • $180 hourly
    I have over 21 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 and offer support after the project is completed too. 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 22+ years of experience coding in C/C++ and 18 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 Electronic Engineer
    STM32
    Linux
    BLE
    Bluetooth
    WiFi
    Power Electronics
    ARM Cortex-M
    C++
    C
    RF Design
    Digital Electronics
    Analog Electronics
    PCB Design
    Circuit Design
    Firmware Programming
  • $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.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Electronics
    Electrical Engineering
    Autodesk AutoCAD
    Altium Designer
  • $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. 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 Electronic Engineer
    PCB Design
    Embedded System
    Electronics
    Prototype Design
    Compliance Testing
    Multilayer PCB
    Altium Designer
    Mechanical Design
    Digital Electronics
    Product Development
    Firmware
    Engineering Design
    Hardware Prototyping
    Electrical Engineering
  • $80 hourly
    Over 10 years working experience as an automotive electronics engineer in Japan and the U.K. Hardware design and embedded firmware design for vehicle electronic control units (ECUs). Various function/hardware development include DC motor control and battery management systems, as well as research and development of more complex ADAS driver assistance systems. UDS / OBD vehicle diagnostics development on the CAN bus. While my background is mainly automotive product related, I have experience in consumer product development, specifically in digital and analog hardware design, wireless(BLE), sensor implementation (A/D, light, motion e.t.c) and software/firmware/model development (C,C++,C#, Matlab Simulink and others). I also have experience with bootloader and OTA update development for various microcontrollers.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Electronic Design
    Simulation Game
    Machine Learning
    MATLAB
    C
    Digital Electronics
    Eagle
    Hardware Design
    Circuit Design
    PCB Design
    Electronics
    Firmware Programming
    Automotive Engineering
  • $45 hourly
    ✅ Lead Electronics Engineer with 6 years' and experience in development of the innovative electronic devices to meet the implementation in real-time. ✔︎ 100% Job Success | TOP RATED | 50+ happy customers 🚀 Providing FULL-CYCLE product design from Idea to Production: Electronics PCB, Firmware, App development, Prototype Testing, Debugging, Manufacturing, and Troubleshooting. ========== ELECTRONICS HARDWARE ========== - Circuit Simulation: Related to Mixed-Signal, Analog, and Power Electronics Circuits. - Schematic/Circuit Design - PCB/Layout Designing - Prepare Design Control Documents - BOM Procurement, Prototype Manufacturing in China & India; - PCB Software: Altium, Diptrace, kiCAD, etc. - Simulation Software - Matlab Simulink, LTSPICE, PSPICE, WEBENCH, MULTISIM ========== EMBEDDED FIRMWARE ========== - Embedded Programming for Microcontrollers such as STM32, nRF5, AVR, PIC, etc. - Worked on Arduino, Raspberry Pi, STM32, and nRF52 Boards Development. - Worked on Bluetooth, WiFi, and other RF Frequency Protocols. - Worked on MEMS / IMU Sensors. - RFID and Fingerprint Circuit Designing. - Create Machine Learning and AI models for IoT projects - Image Recognition based on SensiML and Edge Impulse tool - Firmware Software: Visual Studio, Arduino, Python, AVR Studio; ========== APP DEVELOPMENT ========== - Android App Development - Windows App Development - iOS Development. - API Integration to communicates over BLE/Wi FI to IoT Hardware. - Software - Flutter, NodeJS, etc. ========== MANUFACTURING ========== - Consultation on any aspect of design and manufacturing. - PCB Prototype manufacturing, debugging, and validation; - Mass production final product assembly, testing and final finishing; ✅HIGHLY SPECIALIZED: Worked for various US-based startups and companies focusing mostly on electronics hardware design and firmware development in the following product fields - ✔︎CONSUMER Electronics: - Develop IoT projects, sensors, wearable electronics, Smart-home systems, Computer peripheral devices, Power banks, speakers, Car battery chargers, USB C PD, Battery chargers, etc. - MEMS sensors, sensors, and actuators Interface with Controller with communication protocols such as wi-fi, Bluetooth, BLE, GPS, GSM, LoRa. - Reverse Engineering on Existing Electronics & Electrical Product. - Develop High-reliability systems for Robotics and Automation needs; ✔︎MEDICAL Devices: - Develop an advanced TENS EMS Nerve Stimulator machine, - Develop custom EEG board and EMG board for various medical needs ✔︎POWER Electronics: - Worked on DC to DC, DC to AC, and AC to DC converters in the Power Electronics field. - Experienced in working with power topologies such as Synchronous Buck, Boost, Buck-Boost, Flyback, Push-Pull, Full Bridge, Half Bridge, Phase shifted full bridge. - Thermal Analysis simulation to manage Heat Flow on PCB ✔︎AUTOMOTIVE / ELECTRIC VEHICLES: - On-Board Chargers (OBC) - Battery-management systems (BMS) Access to lab Instruments: Oscilloscope, power supply, function generator, multimeter, Electronics Lab Kit, Raspberry Pi, nRF51, nRF52 modules, and other development kits. Inhouse creality ender 5 plus 3D Printer. -------------------------------------------------------------------------------------------------------- Tags: Electrical Engineer | Electrical Engineering | Electronics | Hardware | Firmware | PCB | PCB layout | Board layout | Schematics | kiCAD | Eagle | CAD | IoT | Internet of Things | Power Electronics | Solar Design | Bluetooth | BLE | TI | Texas Instruments | Analog Electronics | FPGA | SoC | C | C++ | MCU | Microcontroller | prototype | validation | Enclosures | BMS | Python | LTspice | Pspice | Multisim | MATLAB | Arduino | Raspberry Pi | EEG | EMG | ECG | EKG | Reverse Engineering | Wi-Fi | Radio Frequency | GSM | GPS | LoRA | Zigbee | Smart metering | Smartgrid | AVR | PIC | STM | ESP32 | ESP8266 | Embedded System | Electronics | Digital Electronics | Product Design | Circuit Design | DIY | Power System | Grid Designing | AutoCAD | Helioscope | PVsyst | App | iOS | IoT App | Edge Impulse | SensiML | TinyML | IMU | Fitness | Tracker | Gyroscope | Accelerometer
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Circuit Design
    Electrical Engineering
    PCB Design
    Electronics
    Medical Device
    Power Electronics
    Altium Designer
    Hardware Design
    Analog Electronics
    Product Design
    Design Simulation
    Electronic Circuit Design
    Internet of Things
    Power Management
    Embedded System
  • $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. My years of consulting experience lead to accurate project estimates and on time delivery of a functional design.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Core Bluetooth
    PCB Design
    Antenna Design
    Digital Electronics
    Analog Electronics
    Embedded C
    Embedded System
  • $100 hourly
    PCB Design (DC/DC power supplies, LED Drivers, Microcontrollers, PFC circuits, Laser Drivers, Motor Drivers, Line voltage systems) Well versed in Altium Designer and KiCAD Experience debugging PCBs and electrical systems including finding and making changes to bring products into compliance with EMC certification standards Python data collection/analysis experience (e.g. designed and wrote a python script to collect, analyze, and visualize position sensor data in a laser pointing system that led to the discovery of EMI induced jitter) Solidwork/Onshape mechanical CAD experience, wire routing, wire harness design
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Python
    Amplifiers & Filters
    PCB Design
    Embedded System
    Circuit Design
    KiCad
    Arduino
    Altium Designer
    Schematic Capture
    3D Modeling
  • $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 Electronic Engineer
    Electronic Design
    Embedded System
    Circuit Design
    Digital Electronics
    Analog Electronics
    Hardware Prototyping
    Electrical Engineering
    Firmware
    Embedded C
    Embedded Linux
    Hardware Design
    Altium Designer
    PCB Design
    Internet of Things Solutions 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 Electronic Engineer
    Antenna Testing
    Electronics
    PCB Design
    Electrical Layout Design
    RF Design
    RF Microwave Design
    3D Modeling
    Engineering Simulation
    Amplifiers & Filters
    Hardware Prototyping
    Circuit Design
    Digital Electronics
    Analog Electronics
    Physics
    Antenna Design
  • $100 hourly
    im a Jack of all, Master of none kinda guy, Self-taught Programmer or at least that's were i started, expanded my skills from being a basic programmer, to a full stack programmer, to data analysis and machine learning. wandering into electronics, making custom pcb's, programming low level hardware and to program such hardware. to learning cad designing so that i could 3d print or cnc mill my own creations. from creating custom pcb's to suit your needs to designing it in cad and fabricating prototypes of your idea's. My skills extend from basic electronics to advanced machine learning and artificial intelligence programming. my skills include: Programming in python ( from low level tasks to advanced machine learning). Functional programming (mostly using matlab). C for low level programming. Fusion 360 for CAD and CAM. designing and creating various IOT devices. smart home systems. Web development and management. Cloud Computing. embedded programming.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Embedded Linux
    Microcontroller Programming
    Android
    Rapid Prototyping
    Prototyping
    3D Printing
    Microcontroller
    Raspberry Pi
    Prototyping
    Arduino
    Electronics
    PCB Design
    Electronics
    CAD
    Machine Learning
    Python
  • $25 hourly
    I am a PCB and Hardware design Engineer for 13 years in a respected company. I have many experienced for this job.My daily activity is PCB and Hardware Designer.I am a professional Engineer in this field and I would like to give my best service and High quality to the PCB projects here in Upwork project. I have many jobs for the following Projects: 1.Analog and Digital Boards 2.Arduino 3.Breakout boards 4.Bluetooth 5.WIFI 6.RF design 7.Microcontroller 8.Interfacing boards My jobs : 1.PCB layout design 2.Schematic Capture 3.Library Creation, Symbol, and Footprint 4.Make 3D Components 5.Gerber Generation 6.BOM List My Skill of Softwares: 1.Altium Designer 2.Kicad 3.Eagle 4.Orcad 5.Protel 6.PCB123 7.Diptrace 8.Circuit Maker 9.EasyEDA I always do the best for my client and work as soon as possible.My work time very flexible and I can work Full time every time. Best Regard, Untung
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Schematic Capture
    Atmel AVR
    Hardware Prototyping
    Electronics
    Technical Support
    Arduino
    STM32F4
    PCB Design
    Eagle
    EasyEDA
    STM32
    DesignSpark
    KiCad
    Altium Designer
    OrCAD
    GSM
  • $70 hourly
    In the industry for 41 years, I am an expert in Electronics Design, Manufacturing and PCB Layout. Credentials include an AS in Electronics, one patent and an IPC CID+ (Advanced Certified Interface Designer). I own and have a great deal of expertise with Altium, Mentor Graphics PADS, Cadence OrCad, Eagle and other PCB design tools. My experience helps bring a high level of competence to your project or design review. I am available for work in any time zone.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Analog Circuit
    Electronics
    Product Design
    Altium Designer
    Digital Electronics
    Integrated Circuit
    Computer Skills
    Intuit QuickBooks
    Manufacturing Design
    Electronic Design
    Circuit Design
    PCB Design
  • $120 hourly
    I've been developing various electronic devices for over 15 years. Schematics & PCB layout design, component selection, BOM, reverse engineering, MCU programming. Looking for new challenging projects. Most of my past projects involve physical or mechanical parts. Have experience with 3D mechanical design, CNC/Laser machining, 3D printing and have these equipment on hand in nearby shop. Passionate about refining custom integrated solutions. Innovative, analytical, hands-on approach.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Electronic Circuit Design
    Schematic
    ESP32
    Electronics
    Electronic Design
    Electrical Design
    Altium Designer
    Raspberry Pi
    Electrical Engineering
    Arduino
    Reverse Engineering
    Microcontroller
    Prototyping
    PCB Design
  • $110 hourly
    I'm a native English speaker. I have over 20 years of experience working as an embedded engineer. I was one of the designers/architects of the Microchip PIC18 core. I have worked at Microchip as an engineer in test, design, silicon validation, and applications. I have a Bachelor of Science in Electrical Engineering from Arizona State University, where I graduated with cum laude honors. I'm an expert in both hardware and software, so I'm good at tracking down issues. You may think you have a software issue, but it's a hardware issue or vis-a-versa. I enjoy the challenge of finding and fixing problems. I'm motivated by success, and I enjoy what I do. Work with me, and you'll understand. I bill honestly, and sometimes I'm able to solve a problem in a couple hours. No client has ever disputed my hours worked! I've had a couple clients (2/35) who thought I should not be paid for meetings or getting started on a project. These types of situations don't work out, and it's unfortunate because I want to help them, but won't continue to work with them. The best time to involve me in your project is at the beginning. While I architect your system design, I'll make sure that it meets your performance goals, and will reduce component count and cost. For a successful product, it's important to have a robust hardware and software architecture. I solve problems inside a document, and avoid making multiple PCB revisions. Even though I am in Costa Rica, it is easy to ship development boards to me. My home lab includes: - 100 MHz 4-channel oscilloscope (siglent brand) - 8-channel logic analyzer (saleae - this is what I use to analyze digital communication signals: I2C, SPI, UART, ....) - DC supply - benchtop DMM with 1nA current resolution (great for battery-powered devices) - multiple programmers/debuggers (including PICKIT3). The above tools allow me to understand and properly fix problems. If I don't have the exact equipment you are using, I can often wire something up and be able to develop/test code. I may have a processor on hand that can run your code (higher chance if it is a Microchip microcontroller). I am an expert at using MPLAB/MPLABX, but I am also very comfortable in Code Composer Studio (TI MSP430 series), and Microchip/Atmel Studio. During my time on upwork, I have at times taken the role of tutor and mentor - evaluating projects to look for issues, Assisting with documentation reviews, and also documenting projects from scratch. I have a history of identifying design issues before PCB production, saving money and time. Here are some of the technologies that I've worked with successfully in the past: - capacitive touch sensing - USB communication - Bluetooth communication - graphic displays - LED color mixing (precise color control with no flickering)
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Microcontroller Programming
    Software Architecture & Design
    MSP430
    Microcontroller Design
    Embedded System
    PCB Design
    USB Electronics
    Hardware Prototyping
    PIC16
    Circuit Design
    C
    Assembly Language
    Electrical Engineering
  • $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
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    Electronics
    Manufacturing
    BOM
    Circuit Design
    Arduino
    Electrical Engineering
    RFID
    RF Design
    Electronic Design
    Hardware Prototyping
    Digital Electronics
    Analog Electronics
    SolidWorks
    Altium Designer
    PCB Design
  • $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 Electronic Engineer
    Electrical Engineering
    FPGA
    Bluetooth LE
    nRF52832
    Electronics
    ESP32
    STM32
    Hardware Prototyping
    Internet of Things Solutions Design
    Industrial Internet of Things
    Multilayer PCB
    Hardware Design
    Embedded System
    Altium Designer
    PCB Design
  • $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
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    ESP32
    Altium Designer
    Microcontroller Design
    Electrical Layout Design
    Circuit Design
    Arduino
    Digital Electronics
    C#
    Electronics
    Hardware Prototyping
    KiCad
    Embedded System
    Bluetooth
    Electrical Engineering
  • $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.
    vsuc_fltilesrefresh_TrophyIcon Electronic Engineer
    PCB Design
    Altium Designer
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