Embedded Systems projects — HireLancer archive

ID / Date Listing

ESP32 MicroPython JPG Display on ILI9341 and ST7789 displays

My setup is an ESP32 wired to a 2.8-inch ILI9341 LCD (I may swap to the 3.2-inch variant; both share the same driver and pinout). All images sit on an SD card;...

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NFC-Based Children's Audio Player Development - 14/02/2026 07:36 EST

Project Description I am developing an educational NFC-based audio player for children (ages 2–7). The concept is simple: a child places an NFC figurine on the...

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Live Voice Transmission Optimization Specialist Needed

Looking for Sound Engineer – Live Voice Transmission Optimization (Hardware + Embedded) I am currently looking for an experienced Sound Engineer / Audio Systems...

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Brovi H155-381 Feature Unlock Tool

I need a small, purpose-built utility that will unlock a currently blocked feature on my Brovi H155-381 device. You are free to choose the language and framewor...

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ESP32 Battery-Powered Audio Device — Full Design Package (PCB + Firmware + 3D Enclosure)

======================================= OVERVIEW ======================================= We need a complete design package for a standalone, battery-powered aud...

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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...

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IEC 61850 Edition 2.1 SCL Engineering + Conformance Docs (openIEC61850 / MZ Automation)

We need an engineer experienced with MZ Automation openIEC61850 to build a complete IEC 61850 Edition 2.1–compliant SCL package for our Smart Grid controller (L...

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Add STM32G431 Internal Sensor

My current STM32G431 firmware already handles sensor-integration tasks and streams data from an external radar sensor. I now need the MCU’s built-in temperature...

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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...

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Waterproof Battery-Powered Scales - 13/02/2026 07:04 EST

I'm looking for a device that can measure weight in pounds and operate underwater. It's essential that this device is powered by long-lasting batteries. Key Req...

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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...

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Zynq UltraScale+ FPGA Engineer for ZCU104 Board Bring-Up and Camera Interface Development

We are seeking an experienced Zynq UltraScale+ FPGA engineer to assist with the bring-up of our ZCU104 board, focusing on camera interface and testbench develop...

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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...

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Double-Layer PCB Design for Radio

I'm seeking an experienced PCB designer to create a double-layer PCB for a consumer electronics radio project. The PCB will include microcontrollers as key comp...

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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...

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Industrial Automation Control on Raspberry Pi

I want to turn a Raspberry Pi running CODESYS into a reliable industrial automation node. Your job is to create the complete control application in MATLAB / Sim...

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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,...

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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...

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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...

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Handheld Device Hardware Prototype

I am developing a compact handheld consumer device prototype that requires integration of a rechargeable battery and small electronic module inside a custom 3D...

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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...

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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...

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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,...

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Raspberry Pi Pico GPS Clock

I need a GPS clock built using a Raspberry Pi Pico and a 7-segment display. The GPS module will be the ATGM332D. Key Requirements: - Utilize Raspberry Pi Pico a...

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AI-Driven IoT Irrigation Control

I’m building a smart irrigation setup that links a Raspberry Pi edge server with several ESP32 nodes in the field. Each ESP32 gathers data from soil-moisture pr...

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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...

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Sound-Activated Autofish System

I'm looking to create an autofish system that reacts to water splash sounds. Requirements: - The system should respond only to water splash sounds. - Input meth...

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Python RSSI Modbus Script

I’m running an InHand IG502 cellular gateway and need a focused Python add-on that exposes the unit’s current RSSI (raw dBm) as a holding register inside the bu...

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Industrial Flex PCB With Sensors

I need a compact, reliable flex-PCB designed for an industrial setting that is subject to continuous high-vibration, ambient temp extremes, and moisture. The bo...

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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...

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Analog Signal Processing PCB Design

I need a compact PCB developed for a one-off project that focuses purely on analog signal processing. The core task is to turn my hand-drawn schematic into a pr...

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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...

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Raspberry Pi Solenoid Trigger Script

I need a concise Python 3 script that will run on a Raspberry Pi 5 and do the following: • Watch a single GPIO input line for the HIGH digital signal coming fro...

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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...

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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...

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STM32, Nucleo F767ZI based graphical user interface on TFT LCD ST7789 2" and Raspberry Pi-4 5" touchscreen

The embedded system comprises 2 STM32 boards connected to their own 7 sensors, 1 motor, and 3 relays. Each is connected to a central Raspberry Pi 4 board. The R...

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Interactive Plush Toy Prototype Development

Project: ESP32-Based Talking Plush Toy – Prototype Development Project Overview I’m building a screen-free talking plush toy for kids (3–7 years). The goal is t...

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A/B Program Upgrade to MicroLogix 1400

I'm looking for an experienced automation professional to upgrade my existing A/B program from the MicroLogix 1200 to the MicroLogix 1400 platform. Key Requirem...

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Outdoor Real-Time Bluetooth Tracker Design

I’m building a brand-new tracker aimed at hunters and other outdoor enthusiasts who need to see the location of their harvested game is in real time. The core r...

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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...