Microcontroller projects — HireLancer archive

ID / Date Listing

Hydrophone ADC with Programmable Gain

I’m developing an embedded system for underwater acoustic measurements and I need the complete signal-conditioning path designed around a high-resolution ADC. T...

HL-40557332

Embedded Systems Research Assistant

I am seeking a motivated Embedded Systems Research Assistant to support the development, simulation, and experimental validation of a low-cost electronic assist...

HL-40556930

Arduino DC Motor Automation

I have a simple mechanism driven by a single DC motor, and I want to hand its entire routine over to an Arduino. What I need is a clean, well-commented sketch t...

HL-40556359

Fix SEW-Omron Bidirectional PLC Communication

Our SEW DHR21B card used to exchange data in both directions with an Omron CJ2M-CPU33, but since the drive was reset to factory settings the PLC can only read;...

HL-40556317

Raspberry Pi 5 Multifunction HAT Design

We're building a compact Raspberry Pi 5–based dual-HDMI capture & USB-peripheral appliance (a remote KVM / screen-capture device). Today it's an assembly of off...

HL-40555451

ESP32 Auto TPMS Gauge Development

ESP32-Based 52mm TPMS Gauge (433 MHz Sensors + Custom Display UI) Description: I need a small embedded systems developer to build a standalone automotive TPMS g...

HL-40555209

Arduino & RFID System Developer

RFID & Arduino Prototype Developer Needed (Embedded Systems) We are looking for a skilled developer with hands-on experience in RFID and Arduino-based embedded...

HL-40555212

Expert Embedded Developer for NFC Integration

ESP32 / STM32 & NFC Embedded Developer Needed We are seeking an experienced embedded developer with strong expertise in ESP32, STM32, and NFC technologies. The...

HL-40555215

Develop an E-commerce App (iOS/Android)

Arduino Robotics & Automation Developer Needed We are looking for a talented embedded developer with experience in Arduino, robotics, and automation projects. T...

HL-40554376

Wi-Fi Controlled ABS Enclosure Prototype

Build a 100 × 100 × 50 mm ABS enclosure with a clear hinged lid. The lid should spring/pop open when triggered over Wi-Fi using iPhone. Use an ESP32, a micro-se...

HL-40554130

Raspberry Pi 4B CamilaDSP Specialist Needed

I'm seeking an expert to assist with setting up and programming CamilaDSP on an Orange Raspberry Pi 4B. Key tasks include: - Setup and configuration - Install t...

HL-40553641

KiCad Designer for School Access Control System

Hi, I'm a student working on an access control system for our school's IT labs. We already have a working prototype and the firmware/software side handled — wha...

HL-40552981

Prototyp kontaktloser Seifenspender mit Duft

Ich möchte einen voll funktionsfähigen Prototypen entwickeln, der zwei Alltagshelfer in einem Gerät vereint: einen automatischen, kontaktlosen Seifenspender und...

HL-40552979

Custom PIC16F877A Development Board Design

I'm excited to share one of my recent hardware design projects: a custom 4-layer PIC16F877A Development Board designed from scratch using Altium Designer. This...

HL-40552852

Smart Parking Disc Modification -- 2

Project Brief: Stealth-Modified Automatic Parking Disc (Certified for Public Road Use in Germany) Project Goal: I want to technically modify a certified electro...

HL-40552451

Hotel Management System – Java & SQL

This project is a Hotel Management System developed in Java with a MySQL database. It is designed to manage hotel operations efficiently, including room reserva...

HL-40551320

PCB Design Update for Control Board

We’re reaching out to see if your team can support a PCB design update for an embedded control board we’re working on. We currently have a functional prototype...

HL-40551054

ESP32-S3 Bicycle Race Timer Prototype

# Hardware Development – ESP32-S3 Based Bicycle Race Timer (Prototype PCB) ## Project Overview We are developing a rugged bicycle race timer based on the ESP32-...

HL-40550878

Industrial IoT Control Device Development

I’m building an embedded IoT device intended for industrial control environments and need an experienced developer who can take it from concept to working proto...

HL-40548978

Arduino Relay Control App

I'm looking for a skilled developer to create an GUI Android app that controls Arduino relay modules via Bluetooth. Core functionalities: - Bluetooth connection...

HL-40548848

Buying Ready-To-Use DIY Simple Electronic Project

I need a straightforward, fully-functional DIY project that I can assemble and demonstrate without extra troubleshooting. Any of the three domains—electronics,...

HL-40548750

BRX PLC Programming Assistance

I need help creating a solid, production-ready program for a BRX PLC, model BX-DM1E-36ER3-D, that will interface with an SV2A-2040 drive. This is strictly a sof...

HL-40548280

Configure Marlin on Octopus Pro

I have a Bigtreetech Octopus Pro running a custom concrete 3D printer and I need Marlin up and running cleanly on it. The board is installed and powering up; th...

HL-40547126

STM32 Industrial IoT Automation System

I am building a network of STM32-based boards that will cooperate as a single, industrial-grade automation platform. The stack must handle real-time sensor acqu...

HL-40546513

Firewire Capture Device — Embedded Engineer Needed

Looking for an embedded systems engineer to design a small, low-cost, battery-powered handheld Linux recording device, inspired by: https://github.com/computere...

HL-40546365

Diesel Engine Starting Problem Repair

My vehicle’s diesel engine refuses to start reliably, and I need an experienced automotive mechanic who specialises in diesel‐engine repair to diagnose and fix...

HL-40546196

Custom PCB Design with ESP32-S3 / Li-ion Battery

I am looking for an experienced PCB designer/electronics engineer to design a custom PCB. The board must include: ESP32-S3 chip-based design SHT45 temperature a...

HL-40546034

Fix Doppel-Augen-Modul Firmware-Probleme

Animatronisches Doppel-Augen-Modul (ESP32-S3, 2x GC9A01 240x240 SPI Displays, Arduino_GFX_Library). Lief 6 Monate einwandfrei, seit einer Firmware-Änderung funk...

HL-40545770

Multi-layer PCB Design for Radio

I'm seeking an experienced PCB designer to create a multi-layer PCB for a consumer electronics radio device. The PCB must include a microcontroller, wireless mo...

HL-40545654

DIY Smart Push-Up Counter

I want to build a pocket-sized fitness sensor that I can stick onto any wall—wood or metal—and have it automatically count push-ups or pull-ups, then send those...

HL-40545486

STM32 Industrial IoT Automation System

I am building a network of STM32-based boards that will cooperate as a single, industrial-grade automation platform. The stack must handle real-time sensor acqu...

HL-40545371

Multi-OS Wireless Keyboard Design

I'm looking for a skilled designer to create a wireless keyboard for general office use. The keyboard should be compatible with Windows, MacOS, and Linux operat...

HL-40544768

HMI and PLC Program Development

I need a skilled programmer to create an HMI and PLC program for a Mitsubishi system. The setup includes 100 digital inputs, 100 digital outputs, and 15 analog...

HL-40543949

Custom Teensy Automotive Diagnostics Board

1. Project Overview The objective of this project is to design a professional, industrial-grade custom carrier board (PCB) for a Teensy 4.1 microcontroller. The...

HL-40543888

Add GPRS REST API to 8051

My existing Keil-C firmware for an AT89S52 (8051 core) already handles SMS and voice calls through a SIM800L module. The hardware set-up is fixed—4×4 keypad, 16...

HL-40542535

Automated Rice Dispensing Controller Module

I am looking for a flow controller module which gets integrated to our existing weighing machine. We already have an approved weighing machine installed in our...

HL-40542471

Arduino Industrial Temp Sensor Setup

I need help setting up temperature readings using an Arduino and a Type K sensor for an industrial application. Requirements: - Use a Type K temperature sensor...

HL-40542151

ESP control for vending

Link a Vending machine with an esp!

HL-40541651

STM32 Firmware Development

I need reliable, production-ready firmware for a new STM32-based device. The work covers everything from bringing up the microcontroller and configuring UART, S...

HL-40540811

75T FPGA DMA Compatible Firmware

I'm seeking a skilled developer to create fully emulated firmware for a DMA card. The firmware must be compatible with Windows and able to emulate certain funct...