Microcontroller projects — HireLancer archive

ID / Date Listing

PCB Board Design for BLE Device & Load Cell Sensor

# Design two PCB Boards in EasyEDA for later JLCPCB manufacturing, including assembly. I am open to professional recommendations regarding peripheral components...

HL-40299379

ESP32 PCB Optimization & Revision

I already have a fully routed EasyEDA project built around an ESP32 running MicroPython. The first prototypes work, but the rest of the circuitry is over-engine...

HL-40299383

Siemens S7-1200 PLC Programming

My production line is built around a Siemens S7-1200 and I need a clean, well-documented program created in TIA Portal. The project scope is straightforward: •...

HL-40299307

Wearable Personal RF Shield

I want a piece of wearable technology that creates a protective bubble just around my body, blocking or seriously attenuating incoming RF signals while also giv...

HL-40299085

Develop TDM Protocol for ADC-UART with stm32

I need a seasoned embedded engineer to design and implement a lean Time-Division Multiplexing protocol that funnels several high-speed ADC channels into a singl...

HL-40298697

Portable GBA/GBC Hardware Design

I’m building a custom handheld that plays original Game Boy Advance and Game Boy Color cartridges and I need the entire internal hardware engineered for it. I w...

HL-40298605

Compact KiCad PCB Design

PCB Design Brief Timeline Media Dock Controller Board This project requires a KiCad PCB design for the first prototype of a open source Media Dock. The dock is...

HL-40298042

STM32 IoT PCB & Firmware

I’m building an IoT device around an STM32 microcontroller and need the complete hardware-plus-software package brought to life. The board must expose SPI, UART...

HL-40297927

AI Secretary Desk Device Development

This project is about building a physical “AI Secretary” system that combines a premium desk device with ultra‑simple wireless buttons people can stick anywhere...

HL-40297850

FPGA Programmer for Data Processing

I need an experienced FPGA programmer to assist with a data processing application. Key Requirements: - Proficiency in at least one of the following FPGAs: Xili...

HL-40297156

Arduino input output device and 2x LED's

1: Simple Arduino device detecting a switch from a device 2: 2 RBG light strips with 16 LEDS 3: 4 input outputs for on and off

HL-40296797

Smart Ring & Wallet Anti-Loss Prototype

I am looking for an engineer or a small engineering team to help build a working prototype of a wearable smart ring that communicates with a thin wallet card de...

HL-40296588

Arduino Multi-Station Timer System

I’m building a small arcade-style attraction made up of six identical stations. Each station will recognise when its hand-held controller is lifted by means of...

HL-40296060

IR Hardware Device; access device firmware & select alternate settings.

I have a commercial IR-band Laser device with essentially two "Modes" - NORMAL and TRAINING, or restricted. Switching between the two can only be accomplished b...

HL-40295065

DMX - Led Pixel Board - RDM

We need a board that "translate" signal from DMX to led strip pixel adressable. Need to integrate RGB and RGBW pixel in various protocol, with clock or only dat...

HL-40294626

Looking for an expert in Industrial automation (Only from PAKISTAN)

Looking for an Engineer with strong experience in industrial automation, control systems, and OT infrastructure. Freelancers should be proficient in following:...

HL-40294673

Electric Product Pre-Shipment QC in Chengdu

Hello, **We only consider the QC from China only** I have a consignment of electric Product - Mosquito Diffuser that will be ready to leave the factory in Cheng...

HL-40294712

SAMD51 Firmware Modernization & Sensors

I have a stable FreeRTOS-based firmware that currently compiles only under my portable Arduino IDE 1.8.13 setup for the SAMD51 MCU. I now want the project to bu...

HL-40294572

Compact Handheld Device PCB Design

Hi, I'm looking for an experienced PCB designer to create a custom carrier/breakout PCB for a compact handheld device. No firmware or software needed — design o...

HL-40294032

Lexus Infotainment Firmware Modification

I need a skilled firmware developer to modify the Lexus headunit, specifically for the Mark Levinson audio system. Requirements: - Change Mark Levinson configur...

HL-40292768

PIC/Arduino Automation PCB Design -- 2

I need a complete hardware-and-firmware solution that blends a PIC microcontroller with Arduino-compatible modules on a custom-made PCB. The end goal is to stre...

HL-40291689

High-Speed MCU Transceiver RF Design

Project Title: > High-Speed Dual-Node RF Relay (125kHz / 2.4GHz / 315MHz) - Teensy 4.1 > Project Description: > I am looking for an experienced RF/Embedded Syst...

HL-40291734

UL 508A / CSA C22.2 Certified Control Panel Design & Fabrication for Export (Canada)

We are a climate-tech company based in Coimbatore, India, seeking an experienced Electrical Control Panel Engineer or UL/CSA-certified Fabricator to design and...

HL-40291359

Emulated DMA Card Firmware Developer Needed

I’m looking for an experienced developer who can build fully emulated firmware for a DMA card. The firmware should be compatible with Windows and capable of emu...

HL-40291203

WiFi Modbus Gateway for Danfoss EKC 202C

Project Overview This project aims to develop a small WiFi gateway that connects to a Danfoss EKC 202C refrigeration controller via Modbus RTU (RS-485) and prov...

HL-40291234

Motherboard Reverse-Engineering & Redesign

The original schematics and firmware sources for my existing motherboard are no longer available, yet I still need to keep the product alive and solve a series...

HL-40291111

Rover Telemetry & Control Suite

I’m putting together an all-terrain rover that pairs a Raspberry Pi 5 with an Arduino. The Arduino will sit close to the hardware, polling and driving everythin...

HL-40290925

HF RFID Poker Table Hardware

I’m building an automated live-play poker table and need the complete RFID hardware blueprint that will let software read every chip on the felt in real time. T...

HL-40290743

Custom ESP32 IoT PCB Design -- 2

I’m building a small-footprint PCB around the ESP32 that will serve as the core of several IoT devices. The board must expose reliable Wi-Fi, Bluetooth, and fle...

HL-40290761

XMOS MEMS Mic Array PCB

I need a compact 2-4 channel analog MEMS microphone array built around an XMOS processor. The board must perform real-time beamforming, echo-cancellation and no...

HL-40288866

Arduino Stepper Motor Encoder Control

I’m integrating a NEMA-17 stepper into a small robotics prototype and need reliable position feedback. My current hardware stack is an Arduino Uno, a standard A...

HL-40288673

ArduPilot Drone Configuration Coding

I have a multi-rotor nanodrone running ArduPilot that must fly semi-autonomously via GPS waypoints. The core of the job is to configure the ArduPilot stack so t...

HL-40287977

Infrared Device Settings Optimization

I have a commerical infrared device I want to push beyond its stock limits by unlocking and fine-tuning the voltage-gating parameters, and explore any additiona...

HL-40287342

BLE Sensor Data Transfer Protocol

I want to build a Bluetooth Low Energy solution focused strictly on reliable, low-latency transfer of sensor data. The project covers everything from defining t...

HL-40287116

CANopen Ultrasonic Sensor Arduino Library

I am looking for a developer to create an Arduino-compatible library for the ESP32 to operate the ultrasonic sensor Pepperl+Fuchs UC4000-L2M-B16-V15-M. Requirem...

HL-40286931

PCB Design for MY Machine Systems

PCB DESIGN with these or better components placement Processor & Memory Main SoC NXP iMX8M Plus — Quad Cortex-A53 1.8GHz + Cortex-M7 800MHz Safety MCU TI TMS570...

HL-40286525

Smart Pharma Equipment Control PCB Design

I need a full architecture and layout for an advanced, multi-sensor PCB that will regulate heating, cooling and humidity inside a pharmaceutical machine. The bo...

HL-40286287

Piezoelectric Sensor Preamp Redesign

Project Title: Miniature Piezo Preamp PCB (10mm) – Reverse Engineer & Redesign Project Overview I am developing a professional leak detection microphone used fo...

HL-40284878

Rechargeable Smart Lunchbox Prototype

I need a fully-functioning prototype of a portable lunchbox that can actively heat food up to 60 °C and cool it down to 4 °C at the press of a touchscreen contr...

HL-40284820

Sensor-Based Preventive Maintenance Consultation

I am working on a concept of mainly "Preventive Maintenance using Sensors" For this I will Import sensors from China; Install at factories and Charge monitoring...