Microcontroller projects — HireLancer archive

ID / Date Listing

PLC Modbus IO Status Map

I need a clear, single-page overview of every discrete input and output in my Modbus-based PLCs. The goal is to have a graphical layout that refreshes each poll...

HL-40231302

Fix ESP32-Cloudflare R2 Sync

My ESP32 code already handles Wi-Fi, builds the S3-compatible requests, and reaches Cloudflare R2, yet the text files I push never actually appear in the bucket...

HL-40230484

3pi Robot Magnet Navigation Code

I need a clean, well-commented Arduino sketch for the Pololu 3pi that lets the robot visit six preset locations, interact with the magnet at each spot, and retu...

HL-40229407

ESP32 – Pruebas y validación de firmware en protoboard (proyecto real en fase final)

DESCRIPCIÓN: Busco estudiante o técnico de electrónica para realizar pruebas y validación de firmware en un proyecto real basado en ESP32. El firmware ya está d...

HL-40228537

ESP32 HTTP server with a self-hosted dashboard and WebSocket communication

I am looking for an experienced ESP32 developer to implement an HTTP server with WebSocket communication and a self-hosted dashboard using ESP‑IDF. Requirements...

HL-40228126

C/C++ Device Driver Development -- 2

Box for 70000 tunnels with PCI transaction in process. View to process in command line. Sertificates installed. Cheap setup. Fast installation. Connections docu...

HL-40227208

Freelance Embedded Developer Needed Touchscreen UI for Motor Control (Arduino,Atmega or Stm)

Description: We are developing a prototype of a motor control system based on an existing PCB that uses an ATmega16 microcontroller. The current system controls...

HL-40227092

Custom Firmware Development for ESP32/ESP8266

Project Title: Firmware Driver Development for Custom Hardware on ESP32/ESP8266 (Arduino/PlatformIO) Project Description: We have completed custom hardware deve...

HL-40224914

Explain ESP-PIC UART I2C and complete Circuit -- 2

I already have the full schematic and the finished PCB files for a board that combines an ESP module with a PIC18F microcontroller. What I’m missing is a clear,...

HL-40226458

RP2040 Mouse Spoofing Firmware

I need a fully-working firmware for an "Adafruit RP2040 board USB Type-A host" that can sit between a wired gaming mouse and the PC. Its job is to spoof the ori...

HL-40226305

ARM Assembly Code Debugging

I'm seeking an experienced microprocessor software engineer to debug assembly language code for an ATMEGA 128L 8U-TW processor. Key Requirements: - Expertise in...

HL-40226219

Earin M-2 Earbuds: Upgrade and Miniaturization

Custom TWS Earbuds Prototype - Earin M-2 Miniaturization** UNIVERSITY PROJECT: Redesign Earin M-2 earbuds SMALLER to reduce ear protrusion. CURRENT SPECS: 24×15...

HL-40225694

Automotive braking system board improvement (Version 2)

After successfully finalizing our first version of our automotive braking system board, we would now like to improve the design to make it modular, safe, reliab...

HL-40225589

USB-Gamecontroller Umbau: Originaler Straßenbahn-Fahrhebel

Ich besitze einen originalen Fahr-/Bremshebel aus einer Bremer Niederflurstraßenbahn Typ GT8N. Dieser Hebel soll nicht als Sammlerstück, sondern als voll funkti...

HL-40224891

ESP32 Firmware and Efficient Power Switching Circuit

I've already built some prototypes of a circuit capable of switching a single 230 V, 16–30 A line to 4, 8, or 12 outputs—without power loss—but none of them hav...

HL-40224791

Explain ESP-PIC UART I2C and complete Circuit

I already have the full schematic and the finished PCB files for a board that combines an ESP module with a PIC18F microcontroller. What I’m missing is a clear,...

HL-40224317

Circuito Potenza 230V Multiuscita

Ho già costruito alcuni prototipi di un circuito in grado di commutare un’unica linea da 230 V, 16–30 A, verso 4, 8 o 12 uscite; --senza perdita di potenza--, n...

HL-40223985

Single-Speed Pool Pump Installation

I’m replacing my existing pool circulation unit with a single-speed pump that I already have on site, along with all the fittings, unions, and electrical hardwa...

HL-40223047

Complete Cabled Weather Station Setup

Hello , I have a cabled weather station ready to go, but I need an experienced hand with the physical installation side only. The job covers everything from mou...

HL-40223156

Arduino Code for RGB LED Trigger

I'm looking for an Arduino code that will trigger RGB LEDs to change color based on a pulse rotary dial input. Requirements: - Use of a pulse rotary dial - RGB...

HL-40222928

Shapr3D Enclosure Assembly Visualization

I’m putting together a compact two–tier electronic enclosure and I need the complete assembly modelled in Shapr3D so I can open, review, and tweak the layout my...

HL-40222894

Medical Vital-Signs PCB Design

I’m developing a compact medical-grade board that will sit at the heart of a new vital-signs monitor. The PCB must reliably acquire and process heart rate, bloo...

HL-40222566

SCX Digital Car PCB

The task is to design a compact PCB that drops straight into an SCX 1/32 car so it can run on a digital track. I want the board to read the track’s reed-sensor...

HL-40222148

Plotter Controller - Web Interface for 6-Axis Plotter

We have an existing 6-axis driver for our plotter. We need to build a simple web interface where users can upload pictures for the plotter to draw. The system u...

HL-40221436

C++ Embedded STM32 Developer

I’m updating the firmware for an STM32-based design and need an experienced C++ developer who is comfortable inside STM32CubeIDE. The codebase already compiles...

HL-40221382

Zigbee Green Power Lighting Control

I need a Zigbee Green Power device for indoor lighting control. The primary features required are on/off switching and dimming. Key requirements: - Zigbee Green...

HL-40221246

Senior Industrial Controls Engineer Needed

I’m kicking off a series of manufacturing-plant automation upgrades and I need a seasoned controls engineer who can run each project from the first I/O list thr...

HL-40220552

Ebike Throttle Limiter Circuit Check

I need an ebike throttle limiter that sits between the ebike throttle ( running 5v red, black (gnd) and white control wire and its controller : (DO NOT CUT thes...

HL-40219238

Bluetooth HAM Radio Audio Bridge

I want to build a compact, two-way Bluetooth audio interface for a HAM radio. The core goal is a 2-way bridge between the radio and a realtime camera running on...

HL-40219089

DMA 1:1 Emulated Firmware

I'm seeking a skilled developer to create fully emulated firmware for a DMA card. Requirements: - Supports Windows 11 - Fully emulated PCIe device (Private 1:1...

HL-40218742

ROS-C# Software Engineer for Robotics Project

JD – ROS Engineer Job Summary We are looking for a Software Engineer with strong experience in ROS (Robot Operating System) and C# to design, develop, and maint...

HL-40217655

Zynq RF Board Size Reduction

I am looking for an experienced RF hardware designer to consolidate and miniaturize an existing RF system based on a MYIR Zynq-7020 board. The current setup inc...

HL-40217530

Embedded Hardware & Firmware Support

I’m building a mini ventilator—an embedded medical device combining mechanical and electrical subsystems—and I’m looking for a dependable partner who can transl...

HL-40217133

Arduino Solar-Tracking Robotic Arm

I’m developing a small “suiveur solaire” that pivots a solar panel like a robotic arm. The build is Arduino-based and must deliver three key capabilities: • Obj...

HL-40216645

ESP32-S3 to micro servo control through mobile application

I’m building a small bionic butterfly that “flips” in mid-air, powered by an ESP32-S3 Super Mini. What I still need is the full control system: firmware for the...

HL-40215624

ABB AC500 PLC Programming

I need an experienced PLC programmer to develop a process control system using ABB AC500 PLCs. The programming should be done in Ladder Logic (LD). Key Requirem...

HL-40214624

PIC PCB & Firmware Designer

Hello , I need a complete design for a compact consumer-electronics board that revolves around a PIC microcontroller. The scope spans three tightly-linked parts...

HL-40215123

Ultra-Low-Power STM32L4 Integration

I have individual, validated firmware blocks for the STM32L432KBU6 that handle an LIS3DH accelerometer (interrupt-driven), an EM4095 RFID front-end, the MCU’s i...

HL-40213861

PIC PCB & Firmware Design

I need a complete design for a compact consumer-electronics board that revolves around a PIC microcontroller. The scope spans three tightly-linked parts: • PCB...

HL-40213401

Sky130 CMOS Inverter Tape-out

I need a complete, fabrication-ready Sky130 CMOS inverter, built for a commercial product. The work starts with a clean schematic and ends with a sign-off GDSII...