Circuit Design Jobs

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.

The freelancer circuit designer will be able to work on the PCB print circuit, half finished product design, finished product and also assemble them. Their other work expertise are high speed telecom, RF board, DSP, microcontroller control, signal board, circuit design and assembling, electronic items designing like toy, motor, electronic gifts, main board, security defend, Vidicon, USB, DVD etc. If you are a freelancer having adequate skill and experience in circuit designing, Ethernet, USB, electronics, networking, digital and such related fields, submit your bid in the Freelancer.com and get posted immediately.

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    52 jobs found, pricing in GBP

    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.

    £16 (Avg Bid)
    £16 Avg Bid
    4 bids

    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...

    £742 (Avg Bid)
    £742 Avg Bid
    2 bids

    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...

    £1268 (Avg Bid)
    £1268 Avg Bid
    1 bids

    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 ...

    £296 (Avg Bid)
    £296 Avg Bid
    9 bids

    Hello, I am working on a project and I need some PCBs designed. I don't have much electrical skills, so help is much appreciated. I think my project requires 3 different PCBs that will function together. Again, I dont have much experience, so I am also willing to accept guidance. I need: 1) A PCB for the main motherboard 2) A PCB for power inputs (5V, USB-C, mini HDMI) 3) A PCB for the bu...

    £111 (Avg Bid)
    £111 Avg Bid
    26 bids
    PCB schematic design 6 days left
    VERIFIED

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

    £15 (Avg Bid)
    £15 Avg Bid
    11 bids

    two circuits. examine operation and properties of MOS transistors and simple MOS transistor circuits( model MC14007), and Identify the MOS FET parameter λ (lambda) from the plot, Record the numerical values of ID vs. VGS., Find the transconductance parameter and the threshold voltage from this plot

    £16 (Avg Bid)
    £16 Avg Bid
    7 bids
    Electronic PCB design 6 days left
    VERIFIED

    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

    £90 (Avg Bid)
    £90 Avg Bid
    24 bids

    I need a Gerber file for the TRF37D73 IC RF amplifier board. There are already some resources for the design (found in attachments). It is a simple task. It must have SMA input and output connectors. More details will be disclosed at a later stage.

    £27 (Avg Bid)
    £27 Avg Bid
    19 bids

    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.

    £134 (Avg Bid)
    £134 Avg Bid
    5 bids

    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 ?

    £62 (Avg Bid)
    £62 Avg Bid
    21 bids

    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...

    £37 (Avg Bid)
    £37 Avg Bid
    15 bids

    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...

    £401 (Avg Bid)
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    12 bids
    LED DRIVER 6 days left

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

    £81 (Avg Bid)
    £81 Avg Bid
    7 bids

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

    £337 (Avg Bid)
    £337 Avg Bid
    45 bids

    logic gates circuit hand made with using computer and mobile app

    £10 (Avg Bid)
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    15 bids

    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.

    £118 (Avg Bid)
    £118 Avg Bid
    11 bids

    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.

    £697 (Avg Bid)
    £697 Avg Bid
    26 bids

    we are in need of a PCB designer and assembler , we prefer that the prototype will be assembled in china , so if you are bidding for the job , and do not live in china you need to have your arrangement with some that will assemble the prototype , we do not pay for design only , payment will be done after prototype is tested on location in china...

    £348 (Avg Bid)
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    25 bids

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

    £100 (Avg Bid)
    £100 Avg Bid
    3 bids

    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.

    £271 (Avg Bid)
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    3 bids

    I have a LIN Slave controller project to drive a DC motor using Microchip Automotive Networking Development board ([login to view URL]) with PIC18F66K80 ([login to view URL]) MCU. Is this something you can do? Thank you.

    £136 (Avg Bid)
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    12 bids

    Hello, We have a completed project that we need an electrical engineer to review and select correct parts as listed by the manufacture. I will provide the BOM, Gerber, schematics,

    £12 / hr (Avg Bid)
    £12 / hr Avg Bid
    24 bids

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

    £5 / hr (Avg Bid)
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    12 bids

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

    £13 / hr (Avg Bid)
    £13 / hr Avg Bid
    12 bids

    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...

    £482 (Avg Bid)
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    36 bids

    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...

    £24 (Avg Bid)
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    3 bids

    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...

    £52 (Avg Bid)
    £52 Avg Bid
    16 bids

    Does anyone has the experience to make a DIY Powerwall (suitable for Power output 2000W) using 18650 lithium ion cells? I want to make this one for my house and ready to pay for that effort. The idea is to make the Powerbank and be compatible with any commercially available inverter in India. Following items are also required to give you an idea : Amass XT60PW Plug Connector XT60 20PCS Pitch 2.5...

    £526 (Avg Bid)
    £526 Avg Bid
    8 bids

    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

    £113 (Avg Bid)
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    6 bids

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

    £20 (Avg Bid)
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    7 bids

    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.

    £17 (Avg Bid)
    £17 Avg Bid
    9 bids

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

    £111 (Avg Bid)
    £111 Avg Bid
    3 bids
    power pcb design 3 days left
    VERIFIED

    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...

    £135 (Avg Bid)
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    29 bids

    We have ready controller board design and not completed schematic, we need: 1) Make some pcb design changes 2) Finish schematic 3) Send us all files including BOM Changes list: [login to view URL] Files: [login to view URL]

    £128 (Avg Bid)
    £128 Avg Bid
    14 bids
    IoT Retainer 2 days left
    VERIFIED

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

    £11 / hr (Avg Bid)
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    19 bids
    PCB design 2 days 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!

    £79 (Avg Bid)
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    39 bids
    PCB re-design 2 days left

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

    £97 (Avg Bid)
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    50 bids
    PCB board prototype builder 2 days left
    VERIFIED

    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

    £112 (Avg Bid)
    £112 Avg Bid
    20 bids

    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...

    £896 (Avg Bid)
    £896 Avg Bid
    19 bids
    PCB design for SIM800L sets. 2 days left
    VERIFIED

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

    £106 (Avg Bid)
    £106 Avg Bid
    14 bids
    PCB Board Design (Upgrade) 2 days left
    VERIFIED

    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.

    £406 (Avg Bid)
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    34 bids

    I have a gerber eagle circuit card file which I have about 6 terminals I need to change numbering as well as modify the frame descriptions on 20 sheets. Need someone with good Eagle experience to help

    £90 (Avg Bid)
    £90 Avg Bid
    17 bids
    Signal transition graphs 1 day left
    VERIFIED

    Modelling of VLSI modules using signal transition graph

    £71 (Avg Bid)
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    1 bids

    INPUT RANGE IS 350 VAC TO 500 VAC , 50 HZ. OUTPUT : 24 VDC @ 5.0 AMPS. ISOLATED. ISOLATION VOLTAGE 2500 VRMS. WHAT'S NEEDED : SCHEMATIC , BOM , TRANSFORMER AND ANY OTHER MAGENTICS DESIGN AND REVIEW OF THE PCB DESIGNED BY US .

    £232 (Avg Bid)
    £232 Avg Bid
    14 bids

    looking for expert electrical guy for very small job more details in chat

    £18 (Avg Bid)
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    34 bids

    I'm looking for advice on how to safely power 3v LED tape with 3.7v LIPO batteries for a portable signage project. Understanding of current regulators, charging circuits, PCB manufacture etc. all beneficial!

    £13 / hr (Avg Bid)
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    25 bids
    PCB deaign 20 hours left

    Pcb design in gerber format, using easyeda website

    £2 / hr (Avg Bid)
    £2 / hr Avg Bid
    24 bids
    project of analog circuits -- 2 8 hours left
    VERIFIED

    should know how to use multisim and read ll the questions carefully in the attached file PASSWORD FOR FILE OPENING IS AC_Summer19

    £21 (Avg Bid)
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    18 bids

    Looking to design a circuit of IGBT based static voltage controller of 6 kva single phase 20 ms correction.

    £464 (Avg Bid)
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    10 bids