Microcontroller Design Jobs

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Fixed-Price - Intermediate ($$) - Est. Budget: $150 - Posted
I have a Feather WICED (based on a STM32F205RG + WICED ) , which has a 3 × 12-bit, 0.5 μs ADCs with up to 24 channels and up to 6 MSPS in triple interleaved mode and a wifi interface. I need this to provide a sampling as quick as possible over signals of 150us (every 1ms roughly) - and to stream this sample over the air. Each acquisition is supposed to be the line of an image (64 lines, 15fps, hence the 1ms period) , so I'd need to be able to refresh a 1"8 TFT as well to display acquired signal. In parallel, the uC should be able to control a servo via PWM and to send a couple of logic controls (2 max). Looking for someone to help with the programming !
Skills: Microcontroller Design C Digital Electronics Microcontroller Programming
Fixed Price Budget - Intermediate ($$) - $100 to $500 - Posted
I want to work with someone to help develop a product to serve the photography market. The product is a USB controlled photography turntable that also interfaces with various camera types to automate the process of creating 360 degree animated gifs or videos. This project includes the software and the hardware. I presently use Nikon's Camera Control Pro to remotely control my camera. I assume that other camera vendors have similar SW to remotely control their cameras. This product is specifically used to take pictures of products.
Skills: Microcontroller Design GUI Design
Hourly - Intermediate ($$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
We are looking for electronic engineers/team who can start working on requirements, design the circuit/PCB, then design firmware and also able to communicate with our software development team to design adapters. Please share your experience.
  • Number of freelancers needed: 3
Skills: Microcontroller Design Circuit Design Electrical engineering Electronics
Fixed-Price - Intermediate ($$) - Est. Budget: $450 - Posted
Looking for experienced Embedded Software Engineer to make portable biometric device . Must be experienced in biometric devices , Embedded coding and pcb fabrication. Please note we are creating a portable biometric device which will not exceed 5X3cm size on 4 layer pcb. We have specification available for applicants to review upon request.
Skills: Microcontroller Design Circuit Design Electronics Embedded Systems
Fixed Price Budget - Expert ($$$) - $200 to $300 - Posted
I need to efficiently drive a very small (< 5W) DC motor with power from a 240 Vac source. The nature of the 240 AC source is such that it will most likely be current limited to <= 100 mA. I have used the full-wave rectified output from the 240 Vac source to power very small loads (e.g., 65 - 95 Vac Ne lamps, which draw ~ 300 uAmps upon breakdown), and have good reason to suspect that no circuit will be able to draw more than 100 mA from the 240 Vac source. The Phase I goal is to design and deliver an AC - DC motor drive circuit that a) can be simulated with software, b) built here, and c) and quickly tested here. It is very likely that I will provide feedback to the designer (data, measurements, etc.) in order to iterate, or tailor, the circuit to improve its performance (delivered DC power, efficiency, and loss); this will be Phase II. The attached file is an example of a circuit that I found searching on the web, but I'm not an EE - I've simply included it in case it is of any value....
Skills: Microcontroller Design Analog Electronics Circuit Design Electrical engineering
Hourly - Intermediate ($$) - Est. Time: 1 to 3 months, Less than 10 hrs/week - Posted
We are looking to engage with an expert in custom printed circuit board design and development for a new remote sensor project. We would like to engage this UpWork expert on a per hour basis to start. Project work will graduation into full use case analysis, design work, component selection and prototyping. Our project will be for as small a board as possible (finger shaped is best for our application) hosting a vibration sensor, a Bluetooth LE transmitter, coin battery, piezo buzzer and control unit. Second generation model might contain a GPS. Previous experience in design and development a plus.
Skills: Microcontroller Design Circuit Design Eagle Microcontroller Programming
Fixed-Price - Expert ($$$) - Est. Budget: $1,000 - Posted
Note: Please ignore project budget in this job post. It required a number so I had to put something. Project cost will be determined based on specs attached. We are a battery charger manufacturer and looking for a contract developer who can offer turn-key development of power module per attached specs. Our modules are used primarily to charge lead acid batteries for motive power equipment. We have developed charger control board which can control the power module via 0-5 V analog, RS232 or PWM interface. Charging profiling and control is also managed by our control board. The power module is basically takes signal from our control board and provide appropriate voltage and current output to the battery. Efficiency of 92% is a must and while idle, it must not consume more than 10 W which is a requirement by California Energy Commission for the charger to be used in several US states. We expect engineers to provides us with the schematic and BOM. We can provide PCB design and prototyping, physical design support. Engineer to perform firmware development, test and validation prior to releasing the product for our testing.
Skills: Microcontroller Design Electrical engineering Electronics