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Circuit Design Jobs

52 were found based on your criteria


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Fixed-Price - Est. Budget: $ 50 Posted
Inputs: 5v power 12v power temp sensor 0-150 C (more or less pick closest part) temp sensor 15-80 C same comment as above Output: Analog 12v, variable current 0.01A - 8A The design should incorporate a minimal spec PIC that can handle the i/o... more

Hourly - Est. Time: 1 to 3 months, 10-30 hrs/week - Posted
Primarily developing "shields" for custom architecture. We have template schematic, so it's mostly just wiring up a wifi chipset (for instance) to the power and uart ports. We have reference schematics and often EAGLE CAD reference for most designs. more

Fixed-Price - Est. Budget: $ 20 Posted
"I have a dream..." I want to build an electronic board for a smart home project. I need digital inputs (for buttons, dry-contact), digital relay outputs (230V, 16A), and some basic logic (like a way to communicate with the board via MODBUS registers... more

Hourly - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
I would like to develop a smart box you can pin or wear on your jacket, and if any others are in the same area as you up to 2km from 50ft it flashes or lets out a warning sound. work with radio signal or gps maybe two options Is this something that... more

Hourly - Est. Time: 3 to 6 months, 30+ hrs/week - Posted
The ideal person we are looking for is a hardware engineer with robotics and prototyping experience to take the lead on electronic and mechanical product design, firmware programming and software development. It'd be an added bonus if she or he can do... more

Fixed-Price - Est. Budget: $ 400 Posted
So i have the device my fathers past company engineered.. i need it repaired and schematics for it...maybe possibly update its efficiency...i cant tell you exactly what its for but it is time delayed from proximity sensor and then automates a motor and... more

Hourly - Est. Time: Less than 1 week, 10-30 hrs/week - Posted
Hello! I have a new idea which I would like to bring to reality. This is a new product which I can discuss openly once we have agreed on the fees, however, to be more specific the job is that I would require someone to assist in gathering some initial... more

Fixed-Price - Est. Budget: $ 500 Posted
I am looking to develop a vehicle DVR (Digital Video Recorder). It is also called Dash Cam or Vehicle Accident Recorder. This camera contains, 1) LCD Screen 2)Lens 3)SD card port 4)Car Charger and charging port 5)Microphone 6)IR led for night... more

Fixed-Price - Est. Budget: $ 50 Posted
I need IC diagram that should be the backbone of a Handsfree. It should include the following modules: - Power supply module. Rechargeable batteries. They should be small enough to fit in the handsfree. I've found this model (MS621FE, more

Hourly - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
We are seeking a talented and experienced developer to assist in the creation of a georeferencing system. The georeferencing system will determine the position and orientation of various events with a high degree of precision and accuracy. This project... more