Embedded Systems projects — HireLancer archive

ID / Date Listing

Coastal Security Submarine Drone

I need an autonomous submarine drone designed for surveillance and security purposes, specifically in coastal regions. Key Features Required: - Sonar detection...

HL-40431563

Turnkey ESP32-S3 Travel IoT PCB with Enclosure Design

Senior Hardware Engineer: Turnkey ESP32-S3 PCB Design (18x35mm) Project Overview I am seeking a senior hardware engineer to design a professional, 4-layer, doub...

HL-40431204

Senior Hardware Engineer: Turnkey ESP32-S3 IoT Remote

I am seeking a senior hardware engineer to design a professional, 4-layer PCB and three functional enclosure versions for a high-performance travel IoT device....

HL-40431179

Single-Layer PCB Design for Radio Prototyping

I'm seeking an experienced PCB designer to create a single-layer circuit board for a radio prototype. The PCB will include sensors, power management units, and...

HL-40431079

Embedded Systems Engineer: Modular IoT Device with Edge-AI (LTE-M/NB-IoT)

Core Hardware Platform (Motherboard)The "Primary Logic Unit" or "Universal Motherboard" serves as the intelligent core of the system and will utilize a System-o...

HL-40430943

Finish configuring my Heewing T2 VTOL build - screenshare bandwidth needed -- 2

My Heewing T2 VTOL build is stuck on the ground: I'm using the Cube Orange Plus FC. The configuration has been 98% completed with meticulous attention to config...

HL-40431015

Hardware & Mechanical Engineer for Ultra-Compact IoT Hub

I am seeking a senior hardware engineer to design a highly dense, 4-layer PCB and a matching 3D-printable enclosure for a travel IoT device. The device acts as...

HL-40430847

Finish configuring my Heewing T2 VTOL build - screenshare bandwidth needed

My Heewing T2 VTOL build is stuck on the ground: I'm using the Cube Orange Plus FC. The configuration has been 98% completed with meticulous attention to config...

HL-40430758

Develop Automotive Embedded QML UI

I’m building an in-vehicle application and need a QML specialist with roughly four to five years of hands-on experience. The core assignment is to craft a polis...

HL-40430642

PCB Prototype Test Board

I have a circuit idea that now needs to move from the sketchpad to a real-world prototype. The end goal is a fully built, ready-to-power-up PCB that I can use p...

HL-40430612

4x4 Arduino Keyboard Schematic

I need a clean, ready-to-build schematic for a compact keyboard that uses an Arduino Micro as the controller. The board is for everyday, general use and will be...

HL-40430335

Gigabit 48V-24V PoE Converter Design

I need a complete electronic design that takes a 48 V PoE mid-span input and delivers a stable 24 V PoE end-span output at up to 30 W while passing full gigabit...

HL-40430176

Cellular Temp-Humidity Sensor Design

I need a complete hardware-to-firmware solution for a low-power, standalone temperature and humidity monitor that relies on 4G/LTE rather than Wi-Fi. The core w...

HL-40430210

8-Port Smart Switch PCB Design

I’m building a compact, 8-port smart Ethernet switch and need a seasoned PCB engineer to turn the concept into production-ready files. Every port will present a...

HL-40430200

DSP-Based 3kW Sine Wave Inverter Design

I'm seeking an experienced power electronics engineer or inverter design firm to create a high-quality, DSP-based, low-frequency, pure sine wave inverter PCB fo...

HL-40430254

CVT Android TV Firmware Customization

I need an engineer who can take a stock CVT Android-TV motherboard and turn it into a polished, brandable product. The job centres on building or modifying the...

HL-40430056

Firmware Adaptation for CH591 From CH592

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Create a Mini Ambient Companion Robot Prototype

Hi I will share the details with the shortlisted candidates. Thanks

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ESP32 Home Meter Integration with MATTER

Hi I will share the details with the shortlisted candidates. thanks

HL-40427850

Mecanum Wheels RC Control System

San Francisco based engineer needed I'm seeking an expert to create two remote-controlled mecanum-wheel systems for use in a live theatre show to control two mo...

HL-40427712

Vending Machine System with Raspberry PI

Seeking a Software Developer & Electronics Engineer building innovative IoT and embedded systems. Must have experience and sample project regarding Vending mach...

HL-40427544

IoT-based project (Oil Filtration System)

I’m rolling out an industrial-grade IoT solution to supervise and control an oil-filtration line. The job spans embedded firmware through to field wiring, so I...

HL-40427639

Urgent Freelancer Needed – Football Betting Platform Website from Existing Source Code

Job Description: We have an existing football betting/gambling platform source code and need an experienced freelancer/team to complete, fix, test, and launch i...

HL-40427249

PHASE 2 - Machine-Learning Email/PDF ERP Order Workflow Extraction AI

We are building an industrial-grade AI system to automate order entry from customer emails and PDF attachments into an ERP system.

HL-40427106

Radio Circuit Design with ESP32 and TMC5160T

I'm looking for an experienced circuit designer to create a circuit using ESP32 and TMC5160T. The circuit should support motor control, sensor integration, and...

HL-40427042

Módulo PDM 18 Saídas Inteligente

Preciso desenvolver um Módulo de Distribuição de Energia com 18 saídas, inspirado nos PDM15 que já uso como referência interna. O objetivo é assegurar três func...

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Foot Massage Device Development

I'm looking to create an innovative foot massage device focused on vibration massage. The device should also include: - Remote control - Adjustable intensity -...

HL-40426660

Industrial IoT Electricity Monitor PCB Design

Title: PCB Design for Low-Cost Industrial Electricity Monitoring IoT Device We are looking for an experienced PCB design / embedded hardware engineer to design...

HL-40426545

Engineering a Mobile Robot Prototype

Build Mobile Robot Prototype (Motors, Sensors, 3D Printed Enclosure) I’m looking for a freelance engineer to help build a small mobile robot prototype. This is...

HL-40426256

KiCad RFID Antenna PCB Design - 07/05/2026 11:43 EDT

PROJECT DESCRIPTION: I need a KiCad PCB designer to create three RFID antenna boards from scratch and deliver verified, JLCPCB-ready Gerber files. No existing f...

HL-40426321

Automated Tote Counting Camera System

I need a turnkey, camera-based solution that automatically counts plastic totes as they move through the rear door of each of my 100 refrigerated trucks. The go...

HL-40425716

STM32F303 Continuous ADC Streaming Firmware

I need production-ready firmware for an STM32F303 that turns the microcontroller into a front-end for high-speed digitisation of SDR signals. The chip’s ADCs mu...

HL-40425783

STM32 LoRaWAN Industrial Control

I am building a LoRaWAN-based controller around an STM32 MCU that will let me operate industrial machinery from a distance. The node must reliably handle three...

HL-40425502

Medium-Sized Consumer PCB Design -- 2

I need a PCB created for a new piece of consumer electronics. The board will sit inside a medium-sized enclosure, so components can be spread out a little more...

HL-40425426

LoRa ESP32 Home Control Prototype

I have a proof-of-concept in mind that will let me switch household appliances on and off from a distance using LoRa and an ESP32. The focus is purely remote co...

HL-40425004

STM32F030CCT6 Relay Firmware

I have a board built around the STM32F030CCT6. It drives 13 relays (twelve plus one spare) from 14 physical switches. Most switches are simple momentary control...

HL-40423646

Outdoor ESP32 LoRaWAN Automation Board

I need a robust ESP32-based LoRaWAN board purpose-built for industrial automation deployed outdoors. The design has to expose reliable interfaces for both press...

HL-40422886

Multilayer PCB Replication

I need an experienced PCB designer to replicate a multilayer consumer electronics board based on existing schematics. The board is used in a radio device and in...

HL-40422782

AMR SoC PCB Gerber Design

I’m developing a compact consumer-electronics board built around an ARM Cortex-M device and now need the full PCB layout ready for manufacture. The schematic is...

HL-40422624

STM32F303 SDR Signal Processing Firmware

I need production-ready firmware for an STM32F303 that turns the microcontroller into a front-end for high-speed digitisation of SDR signals. The chip’s ADCs mu...