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  • $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 RF Design
    Antenna Testing
    PCB Design
    Electrical Layout Design
    RF Microwave Design
    Digital Electronics
    Amplifiers & Filters
    Circuit Design
    Analog Electronics
    Antenna Design
    3D Modeling
    Hardware Prototyping
    Physics
    Engineering Simulation
  • $110 hourly
    If you have a new antenna design that needs to work in a challenging RF environment, or a design that needs help meeting specification, or some other RF issue, I can help. With over 35 years of experience in antenna and RF design and over 20 years of electromagnetic simulation software experience, I am dedicated to designing, modeling, and testing your antenna system from conception to final product. I spent the early part of my career working for the Boeing Company. Several of those years were as the lead engineer at an outdoor antenna test range, and I also was the first FEKO user at Boeing designing and integrating antenna systems on aircraft platforms. In addition, I was one of the first FEKO users in the US back in 2001. More recently I have covered a wide array of antenna and RF applications, ranging from designs for small mobile devices to large arrays. The largest percentage of the types of work I encounter involves extensive simulation, both for creating a design and for determining expected performance for antennas in real-world situations. The applications can range from WiFi, Bluetooth, and cellphone to AM/FM, VHF, and UHF designs. No matter the project, my goal is to meet the needs of the client and earn repeat valued customers.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Antenna Testing
    Cosite Analysis
    Antenna Measurement
    RF Microwave Design
    FEKO
    Engineering Simulation
    Antenna Design
  • $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 RF Design
    Firmware
    Arduino Firmware
    Circuit Design
    PCB Design
    Injection Mold
    Electrical Engineering
    Electronic Design
    Product Design
    Hardware Prototyping
    SolidWorks
    3D Printing
    Product Development
    Mechanical 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 RF Design
    PCB Design
    USB Electronics
    Circuit Design
    Eagle
    Electronic Design
    Altium Designer
    Multilayer PCB
  • $40 hourly
    ✅ TOP RATED PLUS FREELANCER with Over 8 years of professional experience in RF modeling and antenna designing. I'm expert in electromagnetic software simulations and can design, model and test your antenna and RF circuit from concept to final product. Constantly delivering services on antenna design and RF modeling for commercial products. I’m an RF engineer with a master's degree in electrical engineering from the University of Alberta Canada and a telecommunications degree from UPC Barcelona, Spain. Expert in functional programs such as Computer Simulation Technology (CST), Advanced Design System (ADS), High Frequency Structure Simulation (HFSS), Altium, MS office, and MatLab. ✓ professional in designing, modeling, and testing: • Antennas (single element, Array, MIMO) • RF circuits & antenna matching circuits • Amplifiers / Filters • Power dividers / feed network For the last couple of years, I have been involved in industry projects related to designing, prototyping, and testing of RF components, communication circuits and antennas. I always get great satisfaction out of a project I feel has been well executed.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Technical Writing
    PCB Design
    Research Papers
    Antenna Testing
    Engineering Simulation
    Electromagnetic Simulation Software
    Performance Measurement
    Electronics
    RFID
    Electrical Design
    Communications
    Embedded System
    Antenna Design
    Electrical Engineering
    Hardware Prototyping
  • $35 hourly
    My skills and experiences are Antenna, Low Noise Amplifiers, Active and reconfigurable Antenna, RF and Microwave sensors, Analog design, simulation (CST STUDIO SUITE commercial license), prototyping and testing in professional lab environment. In particular, antenna for mobile devices, smart antennas, electrically small antennas, beam forming, beam steering, real-time location system, tracking, IoT, RFID, NFC, LoRa, WiFi, BLE, radar, 5G, wireless Ethernet etc, high speed pcb design, Signal Integrity, EMC. I provide support and consulting, ranging from concept formulation and design, through to prototyping, testing, FCC/CE/KC certification, measuring and troubleshooting. I hold full access to standard electronics lab equipped with: network and spectrum analyzer, EMI test equipment, anechoic chamber, PCB manufacturing and SMT assembling tools etc. Apart from that, I also provide assistance and support with the writing of reports, extended essays, dissertations, theses, and scientific publications; from formulating the proposal and the working hypothesis (research outline) to proofreading and editing.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Wireless Communication
    RF Microwave Design
    Amplifiers & Filters
    Scientific Writing
    Physics
    Electronic Design
    Hardware Prototyping
    Analog Electronics
    Circuit Design
    RFID
    Antenna Design
  • $108 hourly
    Thank you for taking the time to view my profile. I am an electrical engineer with a background in hardware design and software development. I specialize in circuit design, PCB fabrication, and embedded systems programming. I also provide enterprise software engineering and web development services with a focus on control systems engineering. I also specialize in digital signal processing and machine learning for data, image, and audio processing. I'm happy to help you take your idea to the next level and beyond! I consider myself an engineer, inventor, designer, and artist. I love to find solutions to complex problems, invent new things, and test what is possible! Services: -Application development -Circuit design and PCB layout -Embedded systems programming -Unity Development -Web development -Database engineering -Project management -Technical writing -Master builder :)
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Unity
    Electronic Design
    Article Writing
    OpenCV
    C#
    Power Electronics
    SQL
    Machine Learning
    Technical Writing
    PCB Design
    Python
    C++
    nRF52
    Bluetooth
  • $30 hourly
    PROFILE Formerly Ass. Prof. in the Military Technical College. • Microwave and RF system design engineer • Analog and digital circuit design engineer • CAD/CAM engineer for PCB design and manufacture by CNC machines • Microwave and RF circuit design engineer • Microwave receiver expert. • University lecturer (Microwaves, Receivers, Logic Circuits, Electromagnetic Fields and Computer Networks). KEY ACHIEVEMENTS • Design, implementation, and testing of hundreds of RF and MW filters. • Design, implementation, and testing of wide-band printed dipole antennas (2009- 2013). • Author of 24 papers published in different international conferences and academic magazines, most of which are single-author papers. • Design, implementation, and measurement of a complete DRFM. • Proposing a new method for digital frequency translation using DRFM. It was published in a paper and successfully implemented. • Supervision of 4 MSc. Theses and 1 Ph.D. Thesis. • Reviewing 5 Msc. Theses and 5 papers. • Leading more than 30 graduation projects. • Hundreds of RF and Microwave PCB's have been designed by me and prototyped under my direct supervision. Most of those circuits were Microstrip circuits. Some coplanar waveguide circuits have also been designed and implemented. • FR4 was the main substrate in most designs. Different professional substrates (of Rogers and Arlon products) have been used in my designs with relative permittivity ranging between 2 and 10.5 and dielectric height between 0.2 and 2.6 [mm]. CAPABILITIES I can design RF systems and circuits, RF antennas and electronic circuits, give you full design and prototyping documentation (including design description, design equations and calculations, simulation results, schematic and layout drawings, Gerber files, Excellon files and BOM files, test procedures and test recommendations) and give full technical assistance to you in prototype building and testing. No prototype building No software coding
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Digital Electronics
    Electrical Engineering
    Circuit Design
    RF Microwave Design
    Electronic Design
    System Analysis
    Instrumentation
    Amplifiers & Filters
    Scientific Writing
    Analog Electronics
    PCB Design
    Antenna Design
    Eagle
  • $25 hourly
    Hello! My name is AN, professional hardware. 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 10 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: NXP B4860, FBGA J-link, Amlogic T962X,iMX6, mini –iMX8… - About dev board: NXP, Arduino, ADI and TI tranceiver board for 4G, Avago, NXP Amplifier, Amplenol Amplifier, Boardcom 4G board, renesas control BLDC motor... - 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, 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, CPRI 9.8Gpbs,SMGII, HDMI, USB2.0/3.0/TypeC, eMMC, ... - About Power supply : AC-DC powersupply use topology fly-back, buck ( TI: TNY280/290, STM VIPer06XS…) - About simulation: Power supply simulation( ripple, loss, current…), Highspeed simualtion, Antenna PCB simualation… - 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 4G Basestation Marco, smallcell 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: - 4G base station: using SoC with 8 DDR3-RAM 2166 Gbps, eMMC 16GB, TRX tranceiver with 1.8Ghz, CPRI 9.8Gpbs interface, Amplifier 4 port power up to 60 W, Power supply with requiment lighting protect, EMI&EMC… -Home application: Design Air- conditinal use toshiba IC, control motor BLDC, have FPC to 7 A -380 V, power supply 1000 W. temperature resistor sensor, Wifi and IR comucation, control AC Fan by Triac… - 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, ... ... 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
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Microcontroller Design
    Electronic Circuit Design
    Simulation Game
    Test Case Design
    Amplifiers & Filters
    Schematic
    PCB Design
    Internet of Things Solutions Design
    Hardware Design
    Altium Designer
    Antenna Design
    WiFi
  • $80 hourly
    🛜 Wireless Engineer Consultant | CCIE Wireless #67142 | PMP | M.Sc. | B.Sc. | Ekahau Specialist 🛜 Over five years experience in designing, deploying, and maintaining wireless networks. 🛜 Worked as a Wireless Consultant Engineer for the FIFA World Cup Qatar 2022, and as a Network Consultant Engineer and Wireless Technical Support Engineer for Cisco. 🛜 I am always interested in new projects and looking forward to discussing how we can work together.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Cisco WLC
    Cisco Certified Internetwork Expert
    Cisco Certified Network Associate
    Wireless LAN Controller
    Computer Network
    Information Security
    IT Support
    Cisco
    Cisco Router
    Computing & Networking
    Network Engineering
    Communications
    Microsoft Office
    Computer Science
  • $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
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Multilayer PCB
    Antenna Design
    Arduino
    LoRa
    Altium Designer
    STM32
    Eagle
    PCB Design
    Hardware Design
    RF Microwave Design
    Electronic Design
    Microcontroller Programming
    Embedded System
    Circuit Design
    Electrical Engineering
    Microcontroller Design
    Electronics
  • $25 hourly
    I have 10 years experience of PCB Designing, Hardware Designing, and component sourcing. I have designed PCB's of FPGA's ,BLE, IoT, Power supplies. My key expertise's are high-speed routing, differential routing, and RF track and antenna routing. I have designed up to 16 layers stack up PCB. I am an expert with the following EDA tools. Altium designer. Autodesk Eagle and Eagle 360 Mentor Pads9.5 and Mentor Graphics PADS Pro VX.2.10 Orcad Allegro 17.2 KICAD PCBweb, EasyEDA & Fritzing For FPGA designed I have used all kinds of FPGA's .
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Firmware Programming
    Embedded System
    C
    nRF51
    Arduino
    ESP32
    FPGA
    nRF52
    PCB Design
    Eagle
    STM32
    KiCad
    Altium Designer
  • $35 hourly
    Skilled RF engineer with over 7 years of experience in designing, testing, and troubleshooting RF & Antennas systems. - Designed passive Radar System -PET Locator - Designed RF circuits and systems for various applications using simulation tools like ADS, and CST. - Designed and optimized antennas for various applications including S-Band Systems, L-Band Systems, LoRa Module on 915 MHz, 2.4 GHz wireless Systems - Designed and tested PCB layouts for RF circuits and systems. - Debugged RF issues in lab and field environments and provided solutions to improve performance. - Collaborated with cross-functional teams including hardware engineers, software engineers, and product managers to deliver high-quality products on schedule. - Conducted feasibility studies, simulations, and prototype testing to validate new product concepts. - Developed test plans and procedures to ensure products meet performance and regulatory requirements. - Provided technical support to customers and resolved product-related issues. Skills : - RF System Design - Antenna Design - PCB Design : High Speed PCB Design, RF PCB Design - RF Debugging : VNA, Spectrum Analyzer, Oscilloscope - Simulation Tools : Matlab, ADS, CST - Design Tools : Altium - Wireless Communication Systems : LoRa Systems, WIFI systems, Telemetry Systems, Radar Systems, GPS/GNSS - Cross-functional Collaboration - Test Plan Development - Technical Support Delivered Products : - Power Divider/Combiner : L-Band, S-Band - S-Band Receiver Channel : that consist of : LNA, BPF, Digital Step Attenuator, power detector, High Power Limiter - L- Band Receiver Channel : that consist of : LNA, BPF, Mixer, Log Amp - Patch Antenna Design : Conformal antenna, 2x2 antenna on freq 8 GHz, - Dipole Antenna Design : 3 GHz Antenna Design. - Waveguide Antenna Design - and various design that meet client needs Sometimes do Consultation for RF Circuit, Antennas, RF Things
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Antenna Testing
    Circuit Design
    Analog Electronics
    C
    Xilinx
    Verilog
    Electronic Design
    RF Microwave Design
    Antenna Measurement
    Altium Designer
    Multilayer PCB
    Antenna Design
    FPGA
    PCB Design
  • $150 hourly
    A multi-disciplinary inventor and designer with expertise in quartz crystal and SAW technology, materials science, electronic design, antennas and RF, RFID, embedded firmware and hardware design, and much more. I am a creative and innovative problem solver who is equally comfortable with the big picture or working out the small details in an ongoing project. More recently I have been working with BLDC controllers up to 48V/600W and with charge controller layouts. In December 2021 I retired from IntelliSAW and began only consulting. I am seeking projects between tens of hours and 100 hours or so in scope with availability about 24 hours a week. I have been Florida-based for the past five years, but since July 2021, I am working remote in Belize. This relocation will impact shipping for any hardware support but will not affect my ability to perform design work or design reviews.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Antenna Design
    Electronic Design
    RFID
    PIC16
    Qt Framework
    C++
    Sensor
    Embedded System
  • $110 hourly
    Full-Stack Embedded Hardware and Firmware Engineer | IoT & Consumer Electronics Specialist | 13+ Years of Experience Introduction: I am a seasoned Full-Stack Embedded Hardware Design and Firmware Development Engineer with over 13 years of experience in bringing innovative products to life in consumer electronics, IoT, medical, automotive, and industrial sectors. My expertise lies in developing products from concept to production, ensuring high quality and efficiency throughout the process. Strengths and Skills: • Highly Proficient in detailed Schematic design incorporating Analog/Digital/Mixed-Signal IC Design. • Expert in multilayer PCB designs (upto 12 Layers) including FPGAs using tools like Altium, Eagle, KiCad, EasyEDA, and Diptrace. I have designed over 100+ boards in my career comprising of Rigid and Flex PCBA. • Skilled in Microcontroller SOC programming, Firmware debugging and development. • List of Microcontrollers that I have experience with: STM32, NRF51/52 series, TI TMS570/320, PIC, ATMEGA, ATTiny, ESP32, Microchip, Renesas R5/R7 series etc. • Expert in BOM selection, functional architecture design, and development board prototyping. • Strong connections with local and overseas manufacturers for producing cost-effective and quality samples swiftly for both prototyping and production. • Employs a group of app developers, backend web developers, and mechanical engineers for a comprehensive product development. Key Projects and Accomplishments: • Battery Management System: Led the Hardware and Firmware design of a BMS that accommodates a 4S1P configuration of prismatic cells with a 110A pulse discharge and a 60A continuous charge current. Other features implemented include overcharge protection, temperature monitoring, Passive balancing, Voltage and current measurements, LCD Display for UI. • Radiation measurement Instrument: Developed critical firmware and hardware to measure Alpha, Beta and gamma radiation via Ludlum Floor monitor and output highly accurate digital data in kcpm on an onboard LCD. The instrument also incorporate Bluetooth to communicate with mobile apps. • USB Hub 3.0 with over 15 ports: Designed a USB hub with multiple sub-hub controllers for data transfer over 15 USB-3.0 ports for super-speed transmission. The hub served as an interface between PC and devices such as Lidar, Realsense Camera, IMUs etc. Education: Master’s in Electrical Engineering from Santa Clara University, California. Closing Statement: With all the necessary resources at my disposal, I am fully equipped to breathe life into your new project ideas. Available for most of the day, my flexible time zone allows me to respond promptly to emails or calls. Whether you're looking for a dynamic addition to your project on a full-time, part-time, or project basis, I am eager to deliver excellence and innovation. Contact Information: I invite you to reach out to discuss your projects or any questions you might have. I'm open to both short-term and long-term engagements and am excited to help you achieve your project goals with high-quality, innovative solutions.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Microcontroller
    Hardware Design
    Amplifiers & Filters
    Digital Electronics
    Analog Electronics
    PCB Design
    Internet of Things Solutions Design
    Circuit Design
    Electronic Design
    Embedded C
    Embedded System
    Arduino
    Firmware
    ESP32
  • $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 RF Design
    Internet of Things Solutions Design
    Microcontroller Design
    Hardware Troubleshooting
    Multilayer PCB
    Circuit Design
    Digital Electronics
    PCB Design
    OrCAD
    Altium Designer
    CAD
  • $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 RF Design
    Bluetooth
    Microcontroller Programming
    Digital Electronics
    Embedded System
    Firmware Programming
    Testing
    PCB Design
    Hardware Design
    ESP32
    Hardware Prototyping
    Electronic Design
    Product Development
    Product Design
  • $150 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 RF Design
    STM32
    Linux
    WiFi
    Bluetooth
    Firmware Programming
    Analog Electronics
    Circuit Design
    Power Electronics
    Digital Electronics
    C++
    ARM Cortex-M
    PCB Design
    C
  • $125 hourly
    Evrim@AmperEngineering.com (201)920-2899 Licensed and registered Professional Engineer (P.E.) in 49 states: AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, ID, IN, IO, IL, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, TN, TX, UT, VA, VT, WA, WI, WV & WY. Member of the following professional organizations: IEEE - Institute of Electrical and Electronics Engineers NSPE - National Society of Professional Engineers LEED GA - Leadership in Energy and Environmental Design I provide specialty engineering services for the following sectors and web sites: Solar Design - AmperSolar.com. Electrical Vehicle Charger Design - AmperEVCharging.com MEP Design - AmperEngineering.com Over 20 years of experience designing, commissioning, and managing construction projects for residential, industrial, and commercial applications. Design, Sign, and Seal engineering document with PE seal for a permit. • MEP Engineering Design of Residential, Industrial, and Commercial projects. • Solar Design for residential, commercial, and utility-scale projects • Electrical vehicle charging stations (EV Stations) design and permit drawings. • Electrical one-line, three-line drawings, • Electrical service, feeder, branch circuit calculation, • Cable, conduit, and breaker sizing, • Electrical Panel Schedule, panel load calculation, • Full capability to assemble complete construction drawings and specifications for permitting/building department review and PE stamping. NEC, NESC, NFPA 70E, IEEE, ANSI, and NEMA standards. Experience using SKM, Easy Power, and AutoCAD. Registered Professional Engineer (P.E.) Licensed Engineer PE in the following states; Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Mexico, North Carolina, North Dakota, New Jersey, New York, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin & Wyoming.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Power Distribution
    Electrical Design
    Solar Energy Simulation
    Electrical Engineering
    Electrical Drawing
    Solar Design
    HVAC System Design
    Solar Farm Design
    Electrical Layout Design
    Engineering Design
  • $75 hourly
    CAD, GIS, FTTH, FTTx, OSP, KMZ, Shape files, Bead ACT, Census Data, middle mile, last mile, Point to Point design for broadband Telecommunications Experienced Engineer (25 yrs), with Electrical Engineering degree Telecom CAD and GIS Engineering Services: - Outside Plant (OSP) Right of Way (ROW) cabling CAD drawings for permitting and construction - Inside Plant (ISP) Design/Engineer/provide CAD drawings for Fiber Optic riser schematic and cabling maps - Fiber to the Home (FTTH) - GIS and KMZ/KML Maps - Broadband Equity Access and Deployment Program (BEAD) - Broadband Funding Feasibility Discovery - Census Tracts - Census Data - GIS Shape Files, KMZ Files, QGIS, ARCGIS, ESRI Engineering Design CAD Services: - Design/Engineer/provide CAD drawings for RF Distributed Antenna Systems for cellular, two-way radio - Bi-Directional Amplifier (BDA) systems, CATV - Design/Engineer/provide CAD drawings for Audio Visual Systems - Low voltage communications systems and schematics
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Drafting
    Project Engineering
    Google Maps API
    Engineering Design
    Fiber Optics
    GIS
    Telecommunications Engineering
    Engineering & Architecture
    AutoCAD Civil 3D
    Autodesk AutoCAD
  • $90 hourly
    It has been around 15 YEARS for me working on mobile robots, e-VTOL UAV (drones), RF Microwave sensing (i.e. UWB and FMCW RADAR), IoT, and Embedded systems in general. ☑In Upwork, I have helped prototyping some various projects on IoT and embedded systems like: ✅ IoT Dairy Farm, ✅ Automatic hydroponics, ✅ Vending Machine, ✅ Mars Robot, ✅ Personal IoT box ✅ LED, LCD, addressable RGB strip, ✅ Micro/active/passive buzzers ✅ and some IoT/embedded systems projects. ☑I'm familiar with various hardware including: ✅ Various Arduino boards, ✅ SBCs (Raspberry Pi, Banana Pi, Latte Panda, Odroid, Onion, etc), ✅ STM32, ✅ AVR (ATMEGA, ATXMEGA), ✅ ARM Cortex, ✅ ESP32/ESP8266, ✅ Nordic nRF52 (e.g. nRF52840), CC2650 ✅ SDR/USRP, ✅ TI mmWave Radar (e.g. AWR2243). ☑I'm fluent with various IDEs such as: ✅ ArduinoIDE, ✅PlatformIO/VSCode, ✅STM32CubeIDE, ✅Keil IDE, and programming languages like ✅C/C++, ✅Python, and ✅Matlab. ☑ My main expertises are: ✅ PCB design (high-speed, Flexible, Rigid-Flex, multi-layer) and ✅ firmware programming. ☑ I'm also familiar with AWS cloud services: ✅IoT core AWS ✅S3 ✅Lambda ✅MQTT/HTTP API ✅REST API Gateway ☑ Lastly, I have done various AI/machine learning projects where I'm familiar with: ✅Keras ✅TensorFlow ✅PyTorch.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Electronic Design
    Digital Electronics
    Arduino Firmware
    Electrical Engineering
    Research Papers
    Arduino
    Internet of Things Solutions Design
    PCB Design
    Technical Report
    Technical Writing
    Raspberry Pi
    ESP32
    MATLAB
    C++
  • $20 hourly
    "my company is growing fast and I need ppl like you on my team " "I trust you" "you are the best mai, where have you been all my life!" Here are TESTIMONIALS FROM MY PREVIOUS UPWORK CLIENTS. To have approved stamp it's all about making professional drawings. I'm the one who is going to make them, Not more of what's already out there. As I'm not just drafting your drawings, but I am a solver. Every project will suffer from lack of information, sources or miscommunication. After discussing your problems, I'll do what's necessary to solve them. whether by making shop drawings, Developing new blocks or improving the style of drawing and layers, add professional quotes or details, make all necessary schematic diagrams to make it easy for everyone to read your drawings. In the end, I'll help you to take approved stamp for your project and winning more projects from your clients. I have designed and implemented Autocad shop drawings layouts of the low current department such as Fire Alarm System, CCTV System, Access Control System, Structured Cabling System, Master Clock System, Sound System and Microphone Sensing system by working on the newest software like Autocad, Autodesk Revit, and Navisworks to make best results. If you want here is MY PREVIOUS PROJECTS: • MATAF Extension for the Holy Mosque project in Makkah Elmukrrama (KSA) • Collegiate school (New York). • Mobily TECP Data Center (KSA – Riyadh) • The hospital of Tora prison (Egypt) • Al kharj Pop Mobily Building (KSA – Al kharj) • Building Pharmaceutical Factory Pfizer (KSA) • Construction of El Dar Hotel (Qatar) • NAFCCO Factory (Egypt) • Tama Road (Tareq Elmalek Abdel-Aziz) in KSA • Aresh Swiss-Inn Hotel (Egypt) Feel free to contact me using one of the buttons at the top of the page, and I'll do my best to get back to you ASAP. Mai.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Autodesk Navisworks
    Electrical Engineering
    Fire Protection Engineering
    Electrical Drawing
    Microsoft Office
    Drafting
    Autodesk AutoCAD
    Autodesk Revit
    2D Design
  • $100 hourly
    Hello, I have a Master's Degree in Electrical Engineering and 18 yrs experience working as a hands-on Electrical Engineer. I've worked on all aspects of electronics design: refining initial concepts, part search, SCH and PCB generation, testing, project management, customer relations, and more. I have worked on projects big and small, simple to incredibly complex. Most of my career has been working on dense embedded systems, including military radars and radar jammers. Don't hesitate to reach out to me. I'm interested to hear what you are working on.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Firmware Programming
    Arduino
    Eagle
    Hardware Design
    Hardware Prototyping
    Embedded System
    Embedded C
    Python
    Systems Modeling
    Analog Circuit
    Circuit Design
    Systems Engineering
    PCB Design
  • $70 hourly
    EXPERIENCE: - 25 years of experience in R&D activity (embedded systems) - 20 years of experience in satellite reception industry (STBs, PVRs, LNBs, etc.) - 5 years of experience in development of High Reliability electronics (automotive, medical, military, space) - IPC CID certificate - high expertise in DRO, PLL, SCR, dCSS LNBs for satellite reception - high expertise of the digital TV standards: DVB, ETSI, MPEG, Nordig, DiSEqC, RED, LVD, etc., - experience in electronic measurement devices (Network Analyzer, Spectrum Analyzer, RF Signal Generator, Digital Oscilloscope, NF and Gain Meter, etc.) high expertise in satellite, terrestrial and cable transmission and systems for digital TV, - high expertise in overall radioelectronic systems (short, medium range) and antennas, - participation in development of the standard EN50494 and EN50607 (ETSI, Brussels) EMBEDDED SYSTEMS: - experience in various electronic systems (analog TV broadcast, protection radio systems, low power radio data transmission, controlling of semiconductor lasers, HDD access, USB data transmission, file systems, - experience in RF systems: Bluetooth, TDMA, FDMA, GPS, IoT, Z-Wave, ZigBee, etc. - experience in programming (assembler, C, C++) of wide range of 8-, 16- and 32-bits microcontrollers (PIC of Microchip, ’51 family, HC11, 68000, ColdFire of Motorola, ST20 of ST Microelectronics, MxL), - experience in programming C, C++ for Windows (Visual Studio) - experience in embedded systems development (I2C, UART, SPI, IEEE1394, Flash memory, RAM memory, USB, etc.) - experience in programming using RTOS (STLITE OS20, OS21, Linux), - experience in software architecture and design; specialization in low level drivers, development of the satellite, terrestrial and cable frontend drivers (DVB-S2, DVB-C, DVB-T2), - experience in hardware development (digital, analog, analog-digital, high frequency), - experience in PCB design (1-, 2-, 4-layers): Orcad, Protel97, Protel99, - experience in technical documentation of the software (3-level documentation MRD+SRS+SDD), - experience of different design tools (RCS, VSS, Development Studio, etc.) - experience in soldering, usage of measurement devices (spectrum analyzer, digital oscilloscope, network analyzer), etc.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    C
    Hardware Prototyping
    Electronic Design
    Digital Electronics
    Electronics
    PCB Design
    KiCad
    Circuit Design
    Electrical Engineering
    Microcontroller Programming
    PIC Programming
    Microcontroller
    Embedded System
  • $68 hourly
    My education includes a M.S. in Electrical Engineering and a B.S. in Electrical Engineering with a minor in Physics from the Milwaukee School of Engineering. I have experience in a wide variety of electrical engineering disciplines including power electronics, analog circuit design, embedded systems and signal processing. My primary fields of study in my Master’s program were power electronics design/analysis, electronic circuit design/analysis and digital signal processing. One example of a previous job function was at DRS-Power and Control Technologies. The project I worked on was the redesign of all power conversion and distribution systems for the next-generation Navy Nuclear Submarine (Ohio Replacement Program). After 1.5 years at this this position, I lead major start-to-finish designs on five separate, interdisciplinary circuit board designs. These designs required heavy design efforts with power and digital embedded systems including microprocessor, DSP, FPGA and GPP architectures.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Hardware Design
    Digital Electronics
    Digital Signal Processing
    Power Electronics
    Layout Design
    Embedded System
    Analog Electronics
    Circuit Design
    Integrated Circuit
    Electrical Engineering
    Engineering Simulation
  • $35 hourly
    7+ years of experience in electronics industry for product design in different domains like IOT, IIOT, Medical, Automotive, Industrial, IT Industries and consumer electronics. - Considerable experience in requirement gathering, feasibility and defining the product USP. - Expertise with FCC certification of products involving multi-RF radios. - Hands-on Experience with, - High Speed board design; DDR3/3L, eMMC, RGMII, LVDS, USB, J2497. - Low power/ battery operated design. - RF, Analog and mix signal design. - Processor and MCU families: NXP, STM, Renesas, TI, Cypress and Silabs. - Design involving multiple radios (i.e.,Wi-Fi, Cellular, BLE, LoRA) - Profound leadership and communication skills. - Tool Specialties: OrCAD Capture, Altium, Allegro viewer, GC-Preview, View mate, Multisim, Saturn, LTSpice, TI Battery Management Studio. - Expertise in End-to-End LoRaWAN infrastructure configuration and setup with chirpstack and Thingsboard.
    vsuc_fltilesrefresh_TrophyIcon RF Design
    Microchip
    MQTT
    RF Microwave Design
    KiCad
    Analog Electronics
    Electronic Design
    Altium Designer
    PCB Design
    Hardware Design
    Bluetooth LE
    Hardware Prototyping
    LoRa
    OrCAD
    C
  • $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 RF Design
    Microcontroller Design
    Design for Manufacturing
    PCB Design
    ARM Microcontroller
    Arduino
    ESP32
    Multilayer PCB
    Altium Designer
    Electrical Engineering
    Digital Electronics
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