Microcontroller projects — HireLancer archive

ID / Date Listing

DWIN 7″ Display Arduino Demo

I have a 7-inch DWIN HMI panel connected to an Arduino Mega and I need a compact sketch that proves the screen, the touch interface and basic UI widgets all wor...

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Control de relés Arduino OLED

Busco un sketch de Arduino que me permita manejar cinco o más relés desde botones físicos y mostrar el estado de cada canal en un display OLED. Qué necesito exa...

HL-40331984

Raspberry Pi IoT Remote Monitoring

I’m building an IoT solution around a Raspberry Pi that can stream real-time data from a small lab here in Jaipur to a web or mobile dashboard for secure remote...

HL-40331683

Wireless Temple Audio Broadcast -- 2

I need a complete, practical system that carries live chanting and prayers from our temple and plays them through a roadside speaker roughly 5 km away. The audi...

HL-40330073

Fix ESP32 Compile Error

My sketch for the ESP32 refuses to compile, throwing the message: error: invalid operands of types 'int*' and 'int' to binary 'operator/' I need a fresh set of...

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RSLogix 5000 CompactLogix AOI

I need a clean, well-documented Add-On Instruction built in RSLogix 5000 version 20 for a CompactLogix controller. The AOI’s sole purpose is straightforward PLC...

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Invert Sensor Logic & Optimize Code

I’m working on an Arduino Portenta C33 setup that uses an infrared sensor whose output sits HIGH when idle and drops LOW when it detects an object. Your first t...

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PLC and VFD Automation

I need to integrate a Yaskawa GA500 Variable Frequency Drive (VFD) with a Siemens S7-1200 PLC to automate pump control using the Modbus protocol. Key requiremen...

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Jetson Nano CSI-2 Driver Development for Custom MIPI Thermal Camera (No I2C)

We are integrating a custom thermal camera module (A640) with an NVIDIA Jetson Nano via MIPI CSI-2 interface. The camera: Outputs MIPI CSI-2 (4 lanes) continuou...

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Wearable Device Integration & Testing

I have a wearable-tech prototype that is already built around a dedicated microcontroller, and I now need a skilled IoT engineer to pull the hardware and firmwa...

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AC-DC Asymmetric Converter Build

I need a complete, ready-to-plug-and-play asymmetric AC-to-DC converter for an 8/6 switched-reluctance motor rated at 220 V, 4 A, 500 W. The design must incorpo...

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Senior Electronic Engineer - Pipe Inspection Robot

Job Title: Senior Electronic Engineer - AHD Video & Robotics (STM32/Mageia 9) Project Overview: We are looking for a high-level Electronic Engineer to take over...

HL-40324816

Custom Healthypi-Style IoT Monitor

I want to build an open-source bio-signal acquisition platform that follows the Healthypi-5 approach yet extends it for my medical research needs. In addition t...

HL-40325086

RP2040 USB Sensor Data Streaming

I am working on a project involving a custom filament motion sensor based on the RP2040 microcontroller. The project is built on an open-source firmware availab...

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Arduino Cup-Flipping Robot Prototype

I’m building a small, self-contained Arduino gadget that can roll up to a standard cup, sense when it’s in position, and flip the cup over—all without any human...

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Burst-Transfer DMA Firmware

I need compact, well-documented DMA firmware whose sole job is efficient data transfer. The code must be tuned for burst transfers and interface cleanly with an...

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Hidden PCIe DMA Firmware FPGA

I need custom firmware for a PCIe-based DMA card so a second PC can attach to my Windows gaming rig, read or alter memory, and feed data back—yet look to both W...

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EasyEDA ESPRESSIF ESP32-C3 PCB Design

PORTUGUESE: Preciso de um profissional para desenvolvimento de PCB no EasyEDA (schematic + layout) utilizando o módulo ESPRESSIF ESP32-C3 (C2838500) - https://w...

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Raspberry Pi IoT Hub Development

I'm seeking a skilled Raspberry Pi developer to create an IoT sensor hub. The primary sensor will be a pressure sensor. Key requirements: - Set up Raspberry Pi...

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STB UART Mapping from Dump

I’m holding a 64 MB flash dump (.CE0 image) taken from an STI7*** set-top-box and need a concise reverse-engineering pass on its firmware. With the original fac...

HL-40322685

STM32 Automotive Firmware Development

I’m developing an STM32-based automotive module that acts as a real-time analog signal emulator. The system is triggered by electrical inputs from a secondary m...

HL-40322743

PIC16F84 Door Controller Firmware or Copy existing chip

I need firmware developed for a PIC16F84 microcontroller to operate a motorized door controller. The system should be able to both open/close and lock/unlock th...

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Remote Schneider Modbus Logic Update

I need the logic inside my Schneider Modbus controller refreshed. At the moment the system relies on pressure sensors that scale from 0-70; that scale must be e...

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3D Printer MCU Firmware Transfer

My BIGTREETECH BTT Octopus Pro V1.0.1 (H723) controller lost its main STM32H723 IC to an electrical short. I will be ordering an identical replacement chip; wha...

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PCB Design for Suspension Emulator

I am developing an automotive electronics module whose purpose is to electronically emulate the factory suspension feedback system in a vehicle. The module’s fu...

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Enable UART0 on STi7105

My STMicroelectronics STi7105 board shipped with every serial port but UART0 disabled, leaving me without a console for diagnostics. I have the complete origina...

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Firmware Development for Industrial IoT Wearable Devices as per FCC & CE standers

We are seeking an experienced Firmware Engineer to lead the development of embedded software for next-generation industrial IoT systems. The role involves worki...

HL-40319651

PCB Layout Design & Optimization (USB + RS485 | EasyEDA)

We are seeking an experienced PCB designer to review, correct, and optimize an existing PCB design. Project Scope: * PCB includes ESP32 (or MCU), USB interface,...

HL-40319094

Mechatronics/Robotics Freelancer Needed – Prototype Development for AI-Powered Automated Cooking Machine (Hardware + Firmware)

We are an early-stage hardware startup developing an AI-powered automated home cooking machine. The device prepares meals from scratch using a robotic arm, auto...

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