Embedded Systems projects — HireLancer archive

ID / Date Listing

Raspberry Pi Solenoid Trigger Script -- 3

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...

HL-40323700

Raspberry Pi Solenoid Trigger Script -- 4

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...

HL-40323611

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...

HL-40323580

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...

HL-40323585

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...

HL-40323467

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...

HL-40323382

Custom Bluetooth TrackPoint Mouse (Assistive Device)

I am looking for an electronics/embedded systems freelancer to design and build a custom Bluetooth mouse using a ThinkPad TrackPoint pointing stick and a single...

HL-40323287

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...

HL-40321428

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...

HL-40321322

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...

HL-40320850

Develop Drone Pollution Sensor Pod

I want to fly a DJI Mini-class drone while streaming real-time air-quality data straight into my cloud dashboard. The brief is to design and hand over a fully w...

HL-40320710

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...

HL-40320592

Wearable Health Hardware Design

This project covers the full end-to-end hardware development of a compact health-monitoring wearable. The core electronic system must seamlessly integrate three...

HL-40320537

Project: AI Voice BLE PCB Design

I have a compact consumer-electronics concept that needs to move from idea to a manufacturing-ready printed circuit board. The design must integrate five key pa...

HL-40320525

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-40319466

ESP32 Gateway Development in Bangalore

I am looking for an experienced ESP32 developer based in Bangalore to develop a small webserver on an ESP32 gateway device. The ESP32 gateway includes a LoRa SX...

HL-40319276

Help with Bluetooth speaker kit troubleshooting wireless charging issue

We have developed a Bluetooth speaker kit for students to assemble. The kit consists of a Bluetooth speaker module with one 3.7V Li-ion rechargeable battery. Th...

HL-40318228

Refinement and Construction of Sound Circuit Board

Design and build a circuit board to make machine gun sound by pushing a button. I have the basic design but it needs to be refined and then built. I am looking...

HL-40317950

ESP32-S3 High-Frequency Tachometer

Help me solve something multiple freelancers havent been able to. I need a rock solid circuit that reads a pulse from a wire wrapped around a spark plug wire of...

HL-40317847

GSM-Controlled Residential Gas Safety System

Request for Quote – Residential Gas Safety Device GSM-Only (SMS + Voice Calls) + Auto 220V Fan – No App, No WiFi Hi, I’m looking for a skilled embedded engineer...

HL-40317498

ESP32-Based Smart Gas Safety System Development

Project Title: Smart Gas Safety Device – ESP32 + Multi-Gas Detection + Auto Ventilation (180-250V AC) + GSM Alerts + Mobile App (Production Ready) Project Descr...

HL-40317390

Equine sensor for horses

I am currently looking for a manufacturing partner to develop a girth-mounted equine performance sensor as part of a product The goal of this device is to monit...

HL-40317334

Smart Gas Safety System Development

I need a full-scale, production-ready smart gas safety system that I can install in residential spaces yet trust at an industrial-grade level. The core requirem...

HL-40317316

ESP32-Based Router Board PCB Design

I need an experienced PCB designer to convert my fully working and tested hardware prototype into a final production-ready single board PCB. Complete handoff do...

HL-40316728

4G Communication Smartwatch Hardware Design

I want to bring a new smartwatch to life whose core job is keeping users connected. The watch must handle 4G LTE data, Wi-Fi and Bluetooth without compromise, t...

HL-40316606

STM32 SPI Firmware Development

I have a custom board built around an STMicroelectronics MCU and I need a clean, well-structured C firmware that turns the chip into an I2CSPI host. The main jo...

HL-40316020

Gym-Centric Wrist Tracker

I need a wrist-worn health tracker built specifically for strength training. The core feature is automatic detection and counting of each rep, set and the exact...

HL-40316060

Firmware Development for Embedded Radio Control Systems

I'm seeking an experienced firmware engineer to develop and modify embedded systems firmware, specifically for automotive control system using PIC microcontroll...

HL-40315963

PCB Design with ESP32 and LiFePO₄ Backup

This project involves designing a robust, production-ready PCB integrating an ESP32 module with a wide input power range of 5V to 60V and a single-cell LiFePO₄...

HL-40315778

ESP32 PCB Design Verification Needed -- 2

I have a finished, four-layer ESP32 board layout that is almost ready for fabrication, but before I release the Gerbers I want a fresh set of expert eyes on it....

HL-40315676

Compact standalone ESP32 Board Design for Max30102 sensor with OLED display

The board is essentially a compact "brain board" — an ESP32-WROOM-32 module with integrated power management, USB-C for charging and programming, and two 4-pin...

HL-40315519

Drone ESC Functional Testing - Shenzhen

I have an electronic speed controller (ESC) that must be function-tested here in Shenzhen. The goal is straightforward: power it up, run it through a complete s...

HL-40315322

FPGA Design and Development Expert

I'm seeking an experienced FPGA developer who can assist with design and development, specifically in HDL coding, using both VHDL and Verilog. Ideal Skills and...

HL-40315184

Long-Range Alert Wristband System -- 2

I’m developing a simple, rugged communication setup made of two parts: a master tablet and multiple wrist-worn receivers. The tablet must house a 5" × 8" screen...

HL-40314952

Battery-Powered 6-Tube VFD Clock PCB

I have six IVL2-7/5 VFD tubes that I want to turn into the display for a portable clock with built-in stopwatch and countdown timer modes. I do not yet have a b...

HL-40314820

PCB Design Needed

I need a PCB laid out for a new piece of consumer electronics I’m developing. The schematic is ready; the next step is a clean, manufacturable board that respec...

HL-40314721

Radxa Rock 3C Buildroot Optimization

SBC: Radxa Rock 3C (RK3566) Boot time: "Boot" is measured as power-on to first, visible SDL frame. Measurement method must be documented and repeatable. Storage...

HL-40314533

XMOS USB-SPDIF to I2S Interface

I need a compact XMOS-based board that moves digital audio data—nothing more—between three inputs (USB Audio Class 2.0, coaxial SPDIF, and optical TOSLINK) and...