Embedded Systems projects — HireLancer archive

ID / Date Listing

Operational PCB Upgrade & Noise Reduction

My inspection system is already on the production floor, driven by C-based firmware, yet the electronics are showing their age. I need a seasoned PCB designer t...

HL-40285318

Custom Mobile OS Development

I need a seasoned system-level engineer to build a truly standalone mobile operating system—not just an Android or iOS fork. The goal is to deliver a fully boot...

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-40284900

PCB design for 4‑layer Raspberry Pi CM5 carrier board with eDP and marine/industrial interfaces (future projects possible)

I am looking for an experienced PCB designer to create a 4‑layer carrier board for a Raspberry Pi Compute Module 5 (CM5). The board integrates several existing...

HL-40284775

Compact GPS Tracker PCB Design

I am building a tiny GPS tracker device for my company and need an experienced PCB designer. Project Requirements: - Design schematic and PCB layout for a compa...

HL-40284847

Title: Lead Optical & Android Hardware Engineer: Wearable 15cm Holographic Smartphone (Turn-Key Project)

Project Goal: I am building a high-performance, wrist-mounted smartphone featuring a 15cm floating, interactive aerial display. I require a lead engineer to del...

HL-40284333

HRID-AI- Handheld device for Heart murmur detection, Rhythm abnormalities, Irregular heart sounds, and Decreased ejection fraction

Description Of Project - HRID-AI is a low cost handheld device aimed at estimating ejection fraction using multimodal biosignals (ECG, seismocardiography, and c...

HL-40284286

PCB Design & Schematic Implementation for Solar/Wind Voltage Measurement System

We need an electronics engineer to implement a PCB design based on an existing schematic for a renewable energy monitoring project. The system measures electric...

HL-40284110

ESP32 SIP Voice Calling

ESP32-S3 VoIP Phone — Proof of Concept Firmware The gig: I need someone to take a Waveshare ESP32-S3-Audio-Board and a 2.8" TFT display and turn it into a worki...

HL-40283865

Solar PoE switch with MPPT controller

Solar PoE Switch: This PoE switch features an integrated MPPT solar charge controller and works directly with photovoltaic solar panels (max. 300W) and batterie...

HL-40283794

Proteus-to-Altium PCB Conversion

I will provide the full Proteus project (schematic, PCB, libraries). Your task is to recreate that board in Altium Designer as an exact, bit-for-bit copy—same d...

HL-40283725

Coffee Maker PCB Reprogramming

I need an experienced PCB programmer to reprogram a multi-layer PCB for a coffee maker. The board is used for a coffee maker. Required Skills and Experience: -...

HL-40283351

ESP32 NFC Audio Player – PCB Audit + Firmware Completion (No Hardware Prototype)

I’m looking for an experienced embedded systems / hardware engineer to take over an existing ESP32-based NFC audio player project . ⚠️ Important clarification T...

HL-40282788

SoilKare Agro Monitoring Device Development

Project Details ₹600.00 – 1,500.00 INR Bidding ends in 6 days, 22 hours Project Scope We would like to proceed with the prototype development of the SoilKare Ag...

HL-40282791

Isolated Voltage Measurement Circuit Design

I have an Arduino-based board that is powered from its own DC rail, yet it has to monitor several other DC lines whose grounds are completely separate. Right no...

HL-40282512

PCB Design Editing Needed

I need an experienced PCB designer to edit an existing single-sided PCB design. The current design is in Altium and requires modifications for testing and valid...

HL-40282183

Precise “Hey Bobo” Wake-Word

I need a production-ready wake-word model that reliably responds to “Hey Bobo” on both ESP32 and Raspberry Pi boards. Accuracy is critical: in a moderately nois...

HL-40282230

Minimalist Zepp OS Watchfaces (x2)

I have the final artwork for our Pacedall Core Series – Release One (Black & White editions) and now need an experienced Zepp OS developer to turn it into a pol...

HL-40282022

HRID-AI- Handheld device for Heart murmur detection, Rhythm abnormalities, Irregular heart sounds, and Decreased ejection fraction

Description Of Project - HRID-AI is a low cost handheld device aimed at estimating ejection fraction using multimodal biosignals (ECG, seismocardiography, and c...

HL-40281726

RGB888 TFT LCD Driver Development (STM32 + TPS651)

I need a complete driver—both hardware interfacing notes and production-ready firmware—that talk to and power a 24-bit parallel RGB888 TFT LCD for displaying ON...

HL-40281541

VR Smart Glasses with Pocket Integration

I'm looking for a developer to create a set of VR smart glasses that integrate seamlessly with a pocket phone. All hardware should be contained within the pocke...

HL-40281132

Telematics FMC650 Configuration

I need someone to configure a Telematics FMC650 device. The device should display information from the CANbus and allow control of a PLC via a desktop interface...

HL-40281510

Plug-and-Play Touchscreen LED Numeric Tower - 06/03/2026 15:21 EST

I need a self-contained unit that lets me key a number on a small touch screen and see that exact value appear instantly on a free-standing LED numerical tower....

HL-40280437

ST25R3916B-Based NFC Antenna Array – Review, Redesign & Prototype

PROJECT SUMMARY: I need an experienced RF/NFC hardware engineer to design a compact, modular 4×4 NFC sensor array board. The board will be used to detect and id...

HL-40279488

Industrial-Grade 3-Phase Inverter Design

Embedded Hardware & Firmware Expert Needed for Industrial 3-Phase Pure Sine Wave Inverter Project Overview: I am seeking an experienced Power Electronics and Em...

HL-40279050

Arduino Code for MCP3903 Energy Measurement IC (SPI Communication)

I am looking for an embedded systems developer to write Arduino code to communicate with the MCP3903 energy measurement IC from Microchip using the SPI interfac...

HL-40278893

Diseño dispensador Arduino líquidos

Necesito que me desarrolles el diseño completo de una máquina de llenado basada en Arduino para dos tipos de líquidos viscosos: zumo y aceite. El rango de dosif...

HL-40278356

ESP32 Educational Robotics PCB

**Project Title:** ESP32 Based Educational Robotics PCB Design **Project Description:** I am looking for an experienced PCB designer to design an educational ro...

HL-40277712

BLE-WiFi/Ethernet Gateway PCB Design

PCB Design Requirement Project: BLE to Wi-Fi/Ethernet Gateway Device. The objective of this project is to design a BLE to Cloud Gateway device that integrates:...

HL-40277416

Kinetic Pulse PCBA Design & Creation

Project Brief: Kinetic Pulse PCBA 1. Core Functional Requirements Power Input: Must accept AC input from a linear induction coil (approx. 3,000 turns). Energy S...

HL-40276900

Arduino Uno LED Control

I’m putting together a very small-scale project on an Arduino Uno and simply need a clean, well-commented sketch that switches an LED on and off. No elaborate l...

HL-40276391

STM32 Firmware Audit & Hardware Integration

Project Title: Code Audit & Hardware Integration for Phase 1 MedTech Prototype (STM32 + Python) The Context: We are a venture-backed MedTech startup building a...

HL-40275792

Pool Cover Control System Overhaul

I need an expert to overhaul the control electronics on our solid swimming pool cover and modify the control circuits. The goal is to improve existing functiona...

HL-40275586

Title: Lead Engineer for Standalone Holographic Bracelet - RK3566 - 100% Optimized A-to-Z Technical Package

Project Objective: Develop a 100% functional, industrial-ready prototype of a wearable holographic smartphone (bracelet). The goal is high-end performance (Mid-...

HL-40275627

Smart Parking Disc Modification (EU Freelancer)

Project Brief: Stealth-Modified Automatic Parking Disc (Certified for Public Road Use in Germany) Project Goal: I want to technically modify a certified electro...

HL-40275380

Bone Density Scale Hardware

I am building DigitScale IA, a dedicated body-composition scale that goes beyond mere weight and zeroes in on bone density. The goal is a standalone hardware de...

HL-40275270

Custom PCB Design for Solar-Powered IoT Field Device (Pest Trap Monitoring)

We are building a solar-powered, low-power IoT field device used outdoors in orchards. We need an experienced PCB design engineer to develop a custom PCB that i...

HL-40275092

Kinetic Pulse PCBA Design & Creation

Project Brief: Kinetic Pulse PCBA 1. Core Functional Requirements Power Input: Must accept AC input from a linear induction coil (approx. 3,000 turns). Energy S...

HL-40274539

Breadboard Wiring & Firmware Development

I am an independent R&D developer prototyping a compact, battery-powered thermal enclosure designed to maintain a strict 25°C internal temperature for sensitive...

HL-40274338

Custom Android ROM for MT8168

I have a Mediatek 8168-based tablet (board ID tb8168p1_bsp, retail model Score 7T). I can put the device into BROM mode with mtkclient and it identifies as “SBC...