If you want an end to end outsourcing solution for all your projects relating to circuit designing, outsource the work or job at the world's best marketing resource online Freelancer.com and get the work done by the expert circuit designer freelancers. These freelancers work online from all across the world and can be helpful to you and your project. Freelance them the work to be done either on part time or full time basis and be assured of an optimum result. The job sphere may include PCB designing, PCB board circuit debugging, layout, schematic designing, MCS including the software design and the hardware design.

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    48 仕事が見つかりました。次の価格: USD
    Vehicular Traffic Counter 6 日 left
    認証完了

    The Vehicular Traffic Counter (VTC), placed 15m from the edge of the road, scans, identifies and records the number of cars, trucks etc that pass every hour and saves the data onto a memory card. The VTC is unobtrusive. No one should know it's there.

    $120 (Avg Bid)
    $120 平均入札額
    2 入札

    Se requiere el desarrollo de un PCB para controlar un compresor. Las especificaciones se encuentran en el archivo adjunto.

    $194 (Avg Bid)
    $194 平均入札額
    5 入札
    Powerful Flashlight Driver -- 2 6 日 left
    認証完了

    I'm looking for a bright electrical engineer that can design a powerful but efficient ~40,000lum flashlight driver/step-up convertor that can be controlled using PWM. Input voltage: 4*18650 Battery 14.8v Driver Design: PWM control input (on/off, dim, strobe) 40mm-45mm diameter PCB Spring in the center and ground ring around it for direct contact to power (see attached pictures) Overheat, op...

    $304 (Avg Bid)
    $304 平均入札額
    13 入札

    Electrical engineer is required for calculation . Please place bid if you can start work right now. I want this task to be completed within an hour

    $117 (Avg Bid)
    $117 平均入札額
    26 入札

    We have a Esp32 board, which contains touch and IR Receiver, Getting Guru Meditation Error when we are trying to store previous state in EEPROM using touch and IR . Need to Solve this problem.

    $27 (Avg Bid)
    $27 平均入札額
    6 入札

    need an online open book exam done on a module called engineering principles. contains mechanical engineering questions and electrical engineering questions

    $162 (Avg Bid)
    $162 平均入札額
    14 入札

    We have an issue in that the license manager for a PADS PCB Design Software has stopped. We need to determine whether the process is running properly and remediate and test on the client.

    $140 (Avg Bid)
    $140 平均入札額
    2 入札

    We are paying for written application notes based on our configurable mixed signal ICs & integrated power switches. These parts are very versatile so there are many applications that they can be designed for. The application note should be a 1000-3500 word technical white paper describing an application and how it uses the part (ICs or integrated power switches). Writer will be responsible for...

    $1486 (Avg Bid)
    $1486 平均入札額
    3 入札

    Dear Candidate, I am looking for someone that can design and engineer a golf putting training aide. Please see details below: Small unit, battery-powered (or USB) that can easily sit inside a golf bag. Can't be too big. Features of the unit: - makes a beeping noise (metronome) that can be adjusted to suit - flashing light that matches the beeping noise - random number or picture or ques...

    $106 (Avg Bid)
    $106 平均入札額
    9 入札

    I currently have Laser Diode Driver, and I am going to build my own board for it. The max current output will be 40-45 amps, and the input will be 24V DC. This board will include 3 TEC drivers 10A, 5A, 5A. For the DC converter, I have a specific component in mind, it will be Vicor component. I will share details to the right candidate. Schematic design is urgent, so please contact me. Thank you

    $284 (Avg Bid)
    $284 平均入札額
    23 入札

    I am looking for a creative engineer who can find a solution to be able to generate 5v and 20mAh for battery storage using kinetic power. Dimensions need to be L4cm, W1.5cm, H0.7cm

    $432 (Avg Bid)
    $432 平均入札額
    15 入札

    Hello freelancers, I am looking for expert in schneider PLC

    $216 (Avg Bid)
    $216 平均入札額
    22 入札
    Solenoid Kicker - Arduino 4 日 left
    認証完了

    Use of a 12V SLA Battery to charge a 450V 2700uF Capacitor with a 45V-390V ZVS Capacitor Charging Module to fire an Electromagnetic Solenoid using Arduino with a MOS Driver Module IRF520. I want to use: Arduino and use the full capacity of the Capacitor. Standard 5V relays (with Arduino) only go to 250V. Instead I have the MOS Driver. Problem is I don't know how to connect the Charger + Cap ...

    $121 (Avg Bid)
    $121 平均入札額
    14 入札

    I need a design for a connection between RTU and some devices. I have a small project consistingof 12 Motorized valve, 3 Flow meter, 3 Flow control valve and 5 RTU.

    $38 (Avg Bid)
    $38 平均入札額
    5 入札

    We are a startup from India developing lithium based energy storage solutions for electric vehicles and passive storage applications such as solar storage and UPS. We have developed a 4-cell BMS for 12.8V LFP batteries in-house post which we would like to incorporate some additional features in the current BMS design and develop a 15-cell BMS for 48V applications based on the current design. The s...

    $1016 (Avg Bid)
    $1016 平均入札額
    6 入札

    We are a startup from India developing lithium based energy storage solutions for electric vehicles and passive storage applications such as solar storage and UPS. We have developed a 4-cell BMS for 12.8V LFP batteries in-house post which we would like to incorporate some additional features in the current BMS design and develop a 15-cell BMS for 48V applications based on the current design. The s...

    $2069 (Avg Bid)
    $2069 平均入札額
    6 入札

    I am looking for an electronic design using 'minimalistic components' to improve battery balancing. The circuit will be embedded inside the battery with not more than one communication cable between the batteries. 1. The balancing should work both series and parallel connected batteries / battery strings. 2. The battery current has built in sensors for current and voltage. 3. The ...

    $416 (Avg Bid)
    $416 平均入札額
    16 入札
    PCB schematic design 4 日 left
    認証完了

    Hi, I need already available schematic and PCB design for esp8266, esp32, esp32cam and Arduino micro. These must be simple and on EasyEda.

    $20 (Avg Bid)
    $20 平均入札額
    19 入札
    Electronic PCB design 4 日 left
    認証完了

    I need a home alarm - Siren and LED Light driver module. I have a sample need some changes . Would prefer Australia based designers . Will need some Chip programming skills

    $123 (Avg Bid)
    $123 平均入札額
    30 入札

    I think my ex girlfriend has had surveillance devices professionally installed in my home. They are very well hidden and extremely small. I need a professional to tell me what I’m looking at.

    $170 (Avg Bid)
    $170 平均入札額
    6 入札

    SMD parts on my PCB boards are categorized on numbers such as R2085 R2067 C990 C998 C1012 C989 U161 and U252 and same like other parts .I was wondering if anyone could help me find the real ohm and names of these SMD parts ?

    $77 (Avg Bid)
    $77 平均入札額
    27 入札

    English or Español. Be sure you understand all details. I need PCB design for Solar panel circuit (21V) to charge Litio battery (3.7V -4.2V). -PCB 2 layers in KiCAD -I'll provide PCB shape in KiCAD file -I'll provide actual PCB circuit in KiCAD file -PCB dimensions less than 90x90mm (has enough space) For now I have one circuit done in KiCAD but there is something that not wo...

    $49 (Avg Bid)
    $49 平均入札額
    16 入札

    we are in need of a PCB designer and assembler , the detail of the pcb board are in the doc we will put 50% of the budget in milestone the budget is 500 +100 bonus +1 dollar per unit when the production is done we are planing 1000 unites the time todo the job is 9 days we will not release any milestone until the prototype is tested , we prefers that the prototype will be done in Shenzhen , the tes...

    $527 (Avg Bid)
    $527 平均入札額
    14 入札
    LED DRIVER 4 日 left

    Looking for electronic designer in Delhi/Noida having experience in designing SMPS power supply/LED driver.

    $106 (Avg Bid)
    $106 平均入札額
    7 入札

    - Simple electronics schematic design - BOM finalization - PCB Design - PCBA Samples

    $457 (Avg Bid)
    $457 平均入札額
    54 入札

    logic gates circuit hand made with using computer and mobile app

    $12 (Avg Bid)
    $12 平均入札額
    16 入札

    Hi, I am looking for an expert engineer in the field of Buck/Boost converters. Need to review a buck/boost converter design based on the TI SM72442 MPPT IC.

    $155 (Avg Bid)
    $155 平均入札額
    11 入札

    Need to review a buck/boost converter design based on the TI SM72442 MPPT IC. The prototype is built but the MPPT IC is not working properly, need to spot what may be the error in design.

    $921 (Avg Bid)
    $921 平均入札額
    29 入札

    I need an expert in QMK software, I have already worked on the pcb design.

    $131 (Avg Bid)
    $131 平均入札額
    3 入札

    Antminer S17 series Hashboard schematic and ASIC repair guide needed . Voltage check points or frequency check any other related information and software for their PIC programming. Please kindly bid if you have experience with bitmain hashboard repair.

    $356 (Avg Bid)
    $356 平均入札額
    3 入札

    I have a LIN Slave controller project to drive a DC motor using Microchip Automotive Networking Development board ([ログインしてURLを表示]) with PIC18F66K80 ([ログインしてURLを表示]) MCU. Is this something you can do? Thank you.

    $185 (Avg Bid)
    $185 平均入札額
    13 入札

    I need project Assistance about Touch Board(Bare Conductive ) and Multiplexer (Mux Shield II) expert for my project Assistance

    $7 / hr (Avg Bid)
    $7 / hr 平均入札額
    12 入札

    I need project Assistance about Touch Board(Bare Conductive ) and Multiplexer (Mux Shield II) expert for my project Assistance

    $17 / hr (Avg Bid)
    $17 / hr 平均入札額
    12 入札

    Attached is the project brief. Looking for someone to design the circuit, PCB and firmware for an ultrasonic measuring tool. The product measures distancing using ultrasonic sensors (want to build our own circuit for this, not off the shelf components) and has quad 7 segment displays for displaying the measurements, wireless TX and RX boards for remote operation, user input via buttons etc. Th...

    $667 (Avg Bid)
    $667 平均入札額
    39 入札

    Hi I would like to build a very small induction heating system that has a build-in some features: 1) must work with 5V 3A+ 2) must have a thermocoule that will measure the temperature of the heating element 3) must have controls for setting max temperature and turn off induction when temperature is reached 4) must turn on when heated element is cooled by 10 degrees (basically keep the heated elem...

    $31 (Avg Bid)
    $31 平均入札額
    3 入札

    Be sure you understand all details. PCB design for Solar panel 21V to charge Litio 3.7V battery. -PCB 2 layers -PCB shape will be provided in KiCAD -PCB dimensions less than 90x90mm For now I have one circuit done in KiCAD but there is something that not working properly. Now 4.2V is provided as output but when we connect the battery doesn't reach more than the battery voltage. Project ci...

    $69 (Avg Bid)
    $69 平均入札額
    17 入札

    Hello freelancers, I Need a complete design of a smartphone motherboard that work with several components. I need design, populate and deliver a working motherboard

    $149 (Avg Bid)
    $149 平均入札額
    6 入札

    Hello freelancers, I Need a complete design of a smartphone motherboard that work with several components.

    $26 (Avg Bid)
    $26 平均入札額
    7 入札

    i will create a schematic diagram of your electrical wiring to manage the safety of your homes, work place especially your family, friends and other people that you love.

    $21 (Avg Bid)
    $21 平均入札額
    10 入札
    power pcb design 23 時間 left
    認証完了

    Hello everybody, I posted this project yesterday and it was general now I want to give the specification: I have designed the PCB using Altium design and manufactured the PCB, so I’m looking for someone who can assist me in the development of the firmware of a battery bank using CCGP3PA IC and the southchip buck/boost. 1) firmware development (C/C++, I2C) 2) PCB design knowledge is a must i...

    $182 (Avg Bid)
    $182 平均入札額
    30 入札
    IoT Retainer 20 時間 left
    認証完了

    Looking for a part time resource for IoT device design and development. 80 hrs a month: Knowledge of/Experience in: - ElectricImp - Squirrel ([ログインしてURLを表示]) - IoT device design - Smart water and electricity metering (Modbus & Pulse) - Asset monitoring and tracking - Event based triggers. - SigFox, LoRaWan

    $14 / hr (Avg Bid)
    $14 / hr 平均入札額
    21 入札
    PCB design 18 時間 left

    We are developing ESP32 based device, at the moment we have working prototypes using several microcontrollers (ESP32, accelerometer, SD card slot, RTC, GPS + battery and solar panel) and the idea is to transfer this project to one PCB. We are happy to hear from you!

    $103 (Avg Bid)
    $103 平均入札額
    41 入札
    PCB re-design 4 時間 left

    We're seeking someone to modify an existing PCB design to fit in a smaller form factor.

    $130 (Avg Bid)
    $130 平均入札額
    54 入札
    PCB board prototype builder 3 時間 left
    認証完了

    we are looking for an expert in PCB board prototype to build our board from our design and parts and test with us we prefer a builder from China since our parts are there

    $152 (Avg Bid)
    $152 平均入札額
    22 入札

    We are part of a US based electric vehicle manufacturing company in Ohio and Michigan. We have developed a family of small cars and trucks in the US Low Speed Vehicle market. We have not started production due to lack of funding. We are updating our Bill of Materials and need to get quotes on wiring harness and battery cables. Our EV's are very simple but we use many parts from other compa...

    $1178 (Avg Bid)
    $1178 平均入札額
    19 入札
    PCB design for SIM800L sets. 3 時間 left
    認証完了

    we need an expert to do a PCB design for SIM800L sets.

    $140 (Avg Bid)
    $140 平均入札額
    14 入札
    PCB Board Design (Upgrade) 1 時間 left
    認証完了

    Looking for an electrical engineer to upgrade my current PCB board with Wi-Fi and Bluetooth connectivity and an app that can collect the data when paired with the device, plus push notifications to a created list of people who need to know when an alarm event.

    $534 (Avg Bid)
    $534 平均入札額
    34 入札