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.
Hire Circuit DesignersI 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.
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...
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...
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 ...
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...
Hi, I need already available schematic and PCB design for esp8266, esp32, esp32cam and Arduino micro. These must be simple and on EasyEda.
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
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
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.
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.
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 ?
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...
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...
Looking for electronic designer in Delhi/Noida having experience in designing SMPS power supply/LED driver.
- Simple electronics schematic design - BOM finalization - PCB Design - PCBA Samples
logic gates circuit hand made with using computer and mobile app
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.
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.
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...
I need an expert in QMK software, I have already worked on the pcb design.
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.
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.
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,
I need project Assistance about Touch Board(Bare Conductive ) and Multiplexer (Mux Shield II) expert for my project Assistance
I need project Assistance about Touch Board(Bare Conductive ) and Multiplexer (Mux Shield II) expert for my project Assistance
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...
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...
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...
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...
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
Hello freelancers, I Need a complete design of a smartphone motherboard that work with several components.
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.
I need an expert in QMK software, I have already worked on the pcb design.
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...
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]
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
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!
We're seeking someone to modify an existing PCB design to fit in a smaller form factor.
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
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...
we need an expert to do a PCB design for SIM800L sets.
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.
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
Modelling of VLSI modules using signal transition graph
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 .
looking for expert electrical guy for very small job more details in chat
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!
should know how to use multisim and read ll the questions carefully in the attached file PASSWORD FOR FILE OPENING IS AC_Summer19
Looking to design a circuit of IGBT based static voltage controller of 6 kva single phase 20 ms correction.
