Microcontroller projects — HireLancer archive

ID / Date Listing

Sony HT-A5000 No-Sound Fix

My Sony HT-A5000 sound bar powers up and responds to the remote, yet there is absolutely no audio on any input—HDMI eARC, optical, or Bluetooth. Cables, TV sett...

HL-40145182

Relocate TV Transmitter

I need a TV transmitter moved from its current roof installation to a different building far away. (30 miles away) Requirements: - Experience with moving heavy...

HL-40144870

Crestron Programmer for DM NVX Setup

I need an experienced Crestron programmer to configure DM NVX devices in a divisible conference room. The setup should support: - Video switching - Audio distri...

HL-40144556

Looking for Professionals Experienced in Synopsys Sentaurus TCAD (CMOS Inverter Simulation)

Looking for Professionals Experienced in Synopsys Sentaurus TCAD (CMOS Inverter Simulation) ⸻ I am looking for professionals who have hands-on experience using...

HL-40144305

Wearable Watch PCB Layout Design

Developing the electronics for my new smartwatch, I now need the PCB layout completed to production-ready quality. The board must fit a typical round or squaris...

HL-40144051

identify smart card manufacturer and model

I have a contact-based smart card in hand but no documentation about its origin. The ATR is 3B EE 00 FF 81 + historical Bytes. Attached are the photos of both s...

HL-40143170

Custom PCB Design Software -- 2

I am in the middle of developing several medical-grade products and now require a dedicated application that lets my engineering team lay out, route, and verify...

HL-40142806

Smart Waste Sorting Bin

I need a smart bin designed primarily for waste sorting. Essential Features: - Automated waste sorting into categories - User-friendly interface and indicators...

HL-40142383

Investor-Ready AI Device Prototype

I’m gearing up to pitch an all-in-one AI device to investors, and I need a rock-solid prototype that runs smoothly on embedded hardware. The centerpiece of this...

HL-40142099

STM32 PWM Fan Control Firmware

I have a small board built around an STM32 microcontroller (STM32L010F4P6) and I simply need firmware that drives two standard 5V fans from PWM output. The spee...

HL-40141992

Lattice RGB-MIPI DSI Pipeline

Your task is to code an RGB to MIPI DSI pipeline in a Lattice LIF-MD6000 FPGA. The objective is to simply succesfully initialize and show a video output on a sp...

HL-40140415

Custom ESP32 PCB Gerber (2026)

I’ve been developing on the ESP32-WROOM-32 and now need a custom board so I can move my prototype off the breadboard. The board should have ESP32, EM18, RTC, Ca...

HL-40140289

Lightweight Robotic Pick and Place Arm

I need a compact robotic arm that can pick small MDF toy components from a feeder, position them accurately, and seat them for the next assembly step — all with...

HL-40138911

FPGA-Based Product Development Expert

We are seeking an experienced electronics design company or individual contractor to support an FPGA-based product development project. Scope of Work Schematic...

HL-40138922

10Gbps BNC Ethernet PCIe Card

I need a custom PCI-e network interface card that combines a legacy thin-Ethernet BNC connector with modern 10 Gbps performance. The primary purpose is to let m...

HL-40138696

Wearable Vibration Firmware Development

I have a small wearable whose only job is to vibrate whenever the wearer presents an external magnet. A Hall-effect sensor (already on the PCB) detects the magn...

HL-40137720

Square-Gate PS5 Controller Retrofit

I’m looking to modify a DualSense PS5 controller joystick into a true square-gate analog stick for PC play. The job combines both hardware and software changes...

HL-40136911

Read data from 2 Rom 512

I need to find a function in 2 Rom, this function make a countercode, for generate a password, I need to understand how it's generate

HL-40136088

PCIe Bifurcation Card Design

I need a PCIe 16x card designed to implement x8/x8 bifurcation using the Microchip Technology PCI12000-I/ZUX switch chip (if this is the correct chip for splitt...

HL-40135836

Mixed Signal Circuit Design Tool

I need a standalone application that lets me design mixed-signal circuits from start to finish. The workflow should flow naturally from schematic capture to boa...

HL-40135486

Motion-Sensing Power Steering Controller

I need a motion-sensing power steering pump controller using a Hall sensor. This system should detect steering rotation and utilize an NE555 timer to generate a...

HL-40135517

PLC & HMI UF/RO Automation -- 2

I need a complete PLC application—logic and HMI—that will fully automate both the Ultrafiltration (UF) and Reverse Osmosis (RO) sections of a water-treatment sk...

HL-40134816

ESP32 Kids Companion Robot

Embedded Firmware Development for Kids Companion Robot (ESP32 / RP2040) Project Overview I am building a kids companion robot (ages 3–10) focused on expressive...

HL-40133873

Short Informal French–English Translation

I have a brief French text—fewer than 1,000 words—that needs to be rendered into natural, conversational English. The tone should stay light and friendly, not b...

HL-40134087

Multi-Band ELRS Receiver Designs

I need three separate ExpressLRS receiver hardware designs for drone control, each centred on an ESP8266 and optimised for long-range links. The variants are: •...

HL-40133958

Camera USB Hub PCB Design

I’m building a small sensor-interface board that lets an OV9281 1 MP grayscale camera stream 120 fps video to a host while an RP2040 microcontroller shares the...

HL-40133637

Optimize Freescale MPC Firmware - Decompile for Modification

I’m working with a Freescale MPC micro-controller and only have the compiled HEX at hand. My first step is to get a clear, well-commented disassembly so I can u...

HL-40133550

Licensed Engineer Servo Control System Design

I’m ready to move from concept to production on a Panasonic AC servo-driven machine and need a licensed professional electrical engineer to own the entire contr...

HL-40133282

Custom Project Collaboration with Marko

PCB design modifications I have an existing EasyEDA project. It’s an espresso machine control board. I would like to make few changes and would love to get a qu...

HL-40133058

PLC & HMI UF/RO Automation

I need a complete PLC application—logic and HMI—that will fully automate both the Ultrafiltration (UF) and Reverse Osmosis (RO) sections of a water-treatment sk...

HL-40132778

5 km 27 MHz Sensor Transmitter and receiver

I am putting together a long-range monitoring system that will stream temperature and pressure readings from a remote site back to a base station. The link must...

HL-40132549

Home Energy Monitor 5-4000 W

I’m building a compact system for my house that can accurately track loads anywhere from a tiny 5 W device up to a 4 kW appliance. The core requirements are str...

HL-40132441

ESP32-CS6 IoT Sensor Integration

I’m building a small IoT device around the ESP32-CS6 and need hands-on help wiring in and driving a set of external sensors. Connectivity is already handled els...

HL-40132471

RS422-to-LCD Control System

I need a complete, working solution that takes live RS-422 data and renders it—both text and graphics—on a 10-inch LCD. The scope covers everything from concept...

HL-40131986

Mixed-Signal Signal-Processing Circuit Design

I have a signal-processing task that calls for a mixed-signal approach: an analog front-end to condition the incoming signals and a microcontroller-based digita...

HL-40131995

MTK Chip RF Module Development

I'm looking for an experienced programmer to develop RF modules based on MTK chips. The primary functionality required is signal reception, specifically for dig...

HL-40131767

Urgent Omron-ABB Integration

I need a specialist who can quickly integrate an Omron PLC with an ABB variable-frequency drive to push a manufacturing line toward full process automation. The...

HL-40131393

Compact ESP32-C6 IoT PCB

The objective of this project is to design Kicad general-purpose IoT controller based on the ESP32-C6-WROOM-1U. The board is intended for external environmental...

HL-40131431

65% Keyboard PCB

I’m putting together a custom 65% mechanical keyboard and need a complete PCB schematic that brings a premium feature-set together in one tight design. Core req...

HL-40130200

PCB Dock Design & C Firmware for Lichee Pi Zero 2nd (4G, GPS, RS485, Camera)

I am looking for an experienced Embedded Systems Engineer to design a Dock and develop C firmware for a tracking and monitoring system based on Lichee Pi Zero S...