Microcontroller projects — HireLancer archive

ID / Date Listing

ATmega328P Pump Controller Firmware

Our prototype is already built around an ATmega328P, a 6-digit SSD LED display, a 9-key membrane keyboard, two pump-drive outputs, one pressure-sensor input and...

HL-39914608

ESP32-Driven 3-Axis Robotic Arm

I already have the hardware in hand—an ESP32, two NEMA17 stepper motors on TB6600 drivers and vline belt actuators, and a 12 V linear (zaxis ) actuator—and I ne...

HL-39914576

Advanced Simon Game on QUTY

I'm looking for a medium skilled developer to implement an advanced Simon game on a QUTY microcontroller board. The game should feature score tracking and use b...

HL-39913918

Ultrasonic-Triggered Relay Setup

I already have the hardware—an Elegoo UNO R3, an RCWL-1655 weather-proof ultrasonic module (HC-SR041 form factor), and a HiLetgo relay board. I need a lean, no-...

HL-39913692

Cost-Optimized Integrated PCB Redesign

I already have the circuit working on a hand-wired board that combines an Arduino Nano, ULN2003-driven 28BYJ-48 stepper, RTC, I²C OLED, and two rotary encoders...

HL-39913437

IoT-Integrated Smart Planter Design

Project Title: Smart Plant Pot (IoT-based automatic watering system) Description: I want to design and build a smart plant pot that can automatically monitor an...

HL-39913220

Custom WT32-ETH01 Expansion PCB

I’m building a home-automation device around the WT32-ETH01 module and need a new PCB that folds several extras into a single, compact board. Core requirements...

HL-39911519

Senior Firmware Engineer Needed

Job Title: Senior Firmware Engineer Job Type: Permanent/Hybrid set-up Location: Dasmarinas Cavite About The Role MedSolutions Technology and Innovation Inc. is...

HL-39911526

Wearable Firmware Intern Support

I need a project-based intern who can jump into our embedded codebase and help keep our medical monitoring devices moving forward. You will focus on: • Developi...

HL-39911332

Programación ESP32 Maestro LoRa

Quiero el firmware completo para un sistema distribuido con ESP32: una placa central (maestro) y cuatro placas esclavas que se comuniquen por LoRa de forma bidi...

HL-39911177

Wired Sound Signal Program

I need a Windows-based application that can transmit and receive both analog and digital sound signals over a wired connection. What I expect: • A detailed impl...

HL-39910979

IR Sensor Specialist for Outdoor Motion Detection

Infrared (IR) Sensor Engineer – Outdoor Motion Detection & Prototype Design (ESP32 / Arduino) Job Description We’re looking for an experienced Infrared (IR) and...

HL-39910025

Precision Stepper Driver Development

I need clean, well-commented code that drives a stepper motor so a load of more than 5 kg can rotate a box and hold each 90-degree position with better than ±1...

HL-39909907

Arduino Nano-Engineered Futuristic Car

Introducing my latest innovation: a cutting-edge car designed with precision and technology at its core. Powered by the versatile Arduino Nano and equipped with...

HL-39908783

Experienced Electrical Engineer for Hardware Prototyping

Project Description: We are looking to hire an experienced Electrical Engineer to assist with one of our ongoing company projects involving hardware design and...

HL-39908887

433 MHz RF LED Controller

I need a simple RF-based controller that can reliably switch an LED strip on and off from more than 20 m away. The remote must operate at 433 MHz; Scope • Provi...

HL-39907948

FPGA-Controlled Precision Current Source Project

I need a complete design for a constant-current driver that can source or sink programmable currents through five pairs of output pins, all of which must be abl...

HL-39906239

Fix Flutter Thermal Printer Integration

I already have a fully working Flutter app, except for one gap: the Bluetooth thermal-printer action fails to fire. I’m looking for someone who can drop into th...

HL-39906328

PLC Data Transfer Console App

I need a console application to read data register values from a Panasonic PLC via RS232C and send that data to a PC. Requirements: - Use C++ - Use the SerialPo...

HL-39905990

Passenger Car Control PCB Design

I am seeking an experienced PCB designer to create a new design for an automotive control application. The PCB must incorporate the following components: Atmega...

HL-39905822

Firmware Development Sensor to RS485 Modbus Ti - Platform

Developing Firmware for Ti based µController (Texas Instruments CC2642R) for MW technologies sensors. Main features: Firmware for operating HDC3020 and BMP390 S...

HL-39905448

CH32V003 WS2812 Driver

I need a compact, rock-solid routine that lets a CH32V003F4P6 drive WS2812 (NeoPixel) strips from pin PC1, with all timing fully within spec. The sketch must bu...

HL-39904639

PIC Firmware Debug & Enhancement

I have a working but imperfect product built around a PIC microcontroller. A handful of software-level bugs are still lurking, and the communication interface o...

HL-39904047

STM32H7 Firmware Memory Fix

I have a very simple STM32H7 firmware that write and read to large array in RAM. I am running into what looks like memory management issues, even if I am way un...

HL-39903528

IR Laser Triggered Circuit

I need a breadboard setup that can receive an IR laser and trigger an electronic match inside a smoke pyro. Requirements: - IR laser receiver - Circuit to activ...

HL-39903548

Raspberry Pi Pico 2 USB-to-Matlab C++ and MATLAB Code

We are looking for an experienced C++ and Matlab software engineer who could create a raspberry pi pico 2 USB hardware abstraction layer that uses the SDK inter...

HL-39903370

Arduino Dual Actuator Control

I have two 12 V linear actuators that need to be driven from a single Arduino. • Actuator 1 must travel forward and backward around a fixed center point; when i...

HL-39903006

G-Code for Heart Keychains -- 2

I want a clean, ready-to-run G-code program that lets me cut two-inch-wide hearts, each with a round key-ring hole on the top-left, from 0.71 mm celluloid sheet...

HL-39902732

Bluetooth Servo Control System

I need a compact Bluetooth-enabled regulator that can reliably drive standard hobby servo motors. The core task is to design and program a small board (Arduino,...

HL-39902481

IMU/GPS Trajectory Estimation Algorithm (Python, Small Embedded Demo)

I am looking for a freelancer to design the data-processing and trajectory estimation solution for a compact embedded IMU/GPS logger project. What I Need: Devel...

HL-39902370

Bluetooth App for Arduino Car

I have a small toy car that already runs on an Arduino-based motor driver. What I now need is a companion mobile app, connected via Bluetooth, that can do two t...

HL-39901453

Interleaved Buck Converter Design & Simulation

This project requires the design and simulation of a 2-leg interleaved buck converter, followed by the creation of its corresponding PCB layout. The primary goa...

HL-39901135

Port LittleFS to RTL8720DN

I need a clean, working port of the LittleFS file-system library that runs on the Realtek RTL8720DN when programmed through the Arduino IDE. The end result shou...

HL-39900757

Raspberry Pi AirPrint Server Setup

I have a Raspberry Pi 3 and a Mitsubishi CP-D70DW photo printer on hand and want them working together as a true AirPrint server. Everything is already wired an...

HL-39900612

C++ MIDI Sequencer Build

I’m looking for a seasoned C++ developer to help add features to MIDI controller / sequencer code. The microcontroller is a Teensy 4.1 with an 8 bit TFT screen,...

HL-39900370

Cost-Optimized Integrated PCB Redesign

I already have the circuit working on a hand-wired board that combines an Arduino Nano, ULN2003-driven 28BYJ-48 stepper, RTC, I²C OLED, and two rotary encoders...

HL-39899934

Arduino Machine Control System

I need someone to turn a bare-bones Arduino setup into a reliable machine-control solution. The exact board is still open—Uno, Mega, or even a Nano could work—s...

HL-39899742

CODESYS Simulation for Engineer Training Modules

We have already completed the Factory I/O simulation part of our thesis project titled “Development of Training Modules for Fresh Engineers Using Industrial Sim...

HL-39898669

Ingeniero/a Electrónico para Cerradura de Seguridad (Fase Final de Producto)

Oferta de Colaboración: Ingeniero/a Electrónico para Cerradura de Seguridad (Fase Final de Producto) Buscamos un Ingeniero/a Electrónico/a freelance y con exper...

HL-39898034

Health-Tech Kiosk IoT Prototype

IoT/Integration Developer Project Brief I am building Medrovia, a health-tech startup developing a prototype kiosk for real-time health screening. For Phase-1,...