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…
Custom firmware for DMA Card (EAC, BE, Faceit and Vanguard anti cheats)
I am looking for an experienced freelancer to develop custom firmware for a specific DMA card model, PCILeech (CaptainDMA). The firmware needs to be compatible with EAC, BE, Faceit, and Vanguard anti-cheats… (Budget: $30 – $250 AUD, Jobs: C Programmi…
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, …
Urgent Audio Transformer Overcurrent Fix
Tôi ?ang v??ng l?i quá dòng trên bo m?ch x? lý bi?n áp âm thanh và c?n m?t k? s? có m?t t?i Hà N?i ?? kh?c ph?c ngay. M?ch hi?n ho?t ??ng không ?n ??nh, ?o dòng v??t ng??ng ??nh m?c khi t?i l?n, gây ng?t t? b?o v? và có nguy c? h?ng bi?n áp… (Budget:…
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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