BLE Wearable Tracker Design
Ultra-Low-Power BLE Tracking Tag — Hardware & Firmware Development Project Description: I am developing a brand-new ultra-compact wearable tag that can be attached to keys, bags or personal items and report its position via Bluetooth Low Energy (B…
CY7C Firmware Remake for Legacy Product
I am refreshing a legacy product that once ran on a discontinued Cypress CY7C series. The only artifact that survived is the compiled HEX file, original schematics; the original codebase is long gone…. (Budget: $1500 – $3000 USD, Jobs: C Programming,…
Android Coin-Bill Interface Emulator
I need an Android-based solution that can plug straight into a host machine and be recognised exactly like a standard coin validator or bill acceptor. The same device must expose both Bluetooth and USB,… (Budget: €250 – €750 EUR, Jobs: Android, Andro…
MCU Serial Integration Engineer Needed
I need an engineer who can bridge my Windows-based application with an Arduino/PIC microcontroller over a reliable UART link. The project involves defining and implementing a compact binary protocol, parsing… (Budget: $5000 – $10000 USD, Jobs: Arduin…
STM32F401 Shape-Drawing Firmware
1. Core Goal Build an STM32 program that uses joystick, LCD, RGB LED, and two potentiometers to draw shapes on the screen, controlled via a finite state machine. 2. Required Classes • Use Potentiometer and LED classes unchanged… (Budget: £20 – £45 G…
ESP32 Door Detection System
I’m working on a college project that detects when a boarding-house door opens or closes with an HC-SR04 ultrasonic sensor driven by an Arduino-compatible ESP32. I need a complete, ready-to-run package:… (Budget: $30 – $250 USD, Jobs: Arduino, C Prog…
Microcontroller Firmware Decoder – 29/11/2025 14:55 EST
I have a legacy board that runs on an NXP Semiconductors LPC922F microcontroller. The original firmware is no longer available in source form, so I need the code sitting inside that chip read out, converted… (Budget: ?600 – ?1500 INR, Jobs: Arduino, …
Port SAME54 Firmware to SAME70
I need to move my entire firmware stack from a Microchip SAME54 board over to its bigger brother, the SAME70. Every source file, driver, middleware component, and RTOS hook that currently runs on the SAME54 must compile and execute on the SAME70 witho…
SPI Code for RKE Si4010
I’m building a remote-keyless-entry module that uses the Si4010-C2 and I need a clean, well-documented SPI routine that lets my host microcontroller talk to the Si4010 in real time. The code’s main job… (Budget: ?600 – ?1500 INR, Jobs: Arduino, C Pro…
Humanoid Robot PCB & Processing System Design
Project Overview: PCB + Processing System Designer Needed for Humanoid Robot (LLM-Ready, Python/C++ Compatible) I am looking to hire an experienced PCB designer or embedded systems engineer to design a custom control PCB and processing integration mod…
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