PCB Design and Layout projects — HireLancer archive

ID / Date Listing

Swap NRF to ELRS Telemetry

My current ground control setup runs QGroundControl on an open-source stack and still relies on an NRF24 transmitter-receiver pair for telemetry. I’m ready to r...

HL-40145833

Custom Alfa Romeo LCD Smart Key

I’m building a next-generation smart key for my Alfa Romeo Giulia and need an electronics/product designer who can take the idea from concept to fully tested pr...

HL-40141088

70A 6-8S FPV 4-in-1 ESC

I need a production-ready four-in-one ESC that can comfortably deliver up to 70 A per phase on 6 S and 8 S Li-Po packs. The board must accept either AM32 or Blu...

HL-40140415

Custom ESP32 PCB Gerber (2026)

I’ve been developing on the ESP32-WROOM-32 and now need a custom board so I can move my prototype off the breadboard. The board should have ESP32, EM18, RTC, Ca...

HL-40138737

Secure 868 MHz RF Beacon PCB

I need a compact, low-power RF beacon designed around the 868 MHz band for location tracking of assets that move between indoor and outdoor areas. The board mus...

HL-40138922

10Gbps BNC Ethernet PCIe Card

I need a custom PCI-e network interface card that combines a legacy thin-Ethernet BNC connector with modern 10 Gbps performance. The primary purpose is to let m...

HL-40136088

PCIe Bifurcation Card Design

I need a PCIe 16x card designed to implement x8/x8 bifurcation using the Microchip Technology PCI12000-I/ZUX switch chip (if this is the correct chip for splitt...

HL-40136104

Compact HDMI/USB PCB Redesign

My current EasyEDA project already carries both an HDMI interface and a USB 3.0 port. The sole objective now is to push the layout into a noticeably smaller foo...

HL-40135497

Custom Mixed-Signal Circuit Design

I need an experienced electrical engineer to take a mixed-signal concept from idea to production-ready documentation. The project is firmly centred on circuit d...

HL-40134153

Convert PDF Schematic to OrCAD

I have a complete schematic saved only as a PDF and I need it redrawn in OrCAD Capture 17.2. The goal is a one-to-one reproduction of the schematic itself—no BO...

HL-40134087

Multi-Band ELRS Receiver Designs

I need three separate ExpressLRS receiver hardware designs for drone control, each centred on an ESP8266 and optimised for long-range links. The variants are: •...

HL-40133528

Licensed Electrical Engineer Needed

I am looking for a licensed electrical engineer to design and implement a servo motor control system, including: Custom PCB design Embedded firmware development...

HL-40133550

Licensed Engineer Servo Control System Design

I’m ready to move from concept to production on a Panasonic AC servo-driven machine and need a licensed professional electrical engineer to own the entire contr...

HL-40132778

5 km 27 MHz Sensor Transmitter and receiver

I am putting together a long-range monitoring system that will stream temperature and pressure readings from a remote site back to a base station. The link must...

HL-40132549

Home Energy Monitor 5-4000 W

I’m building a compact system for my house that can accurately track loads anywhere from a tiny 5 W device up to a 4 kW appliance. The core requirements are str...

HL-40132471

RS422-to-LCD Control System

I need a complete, working solution that takes live RS-422 data and renders it—both text and graphics—on a 10-inch LCD. The scope covers everything from concept...

HL-40131986

Mixed-Signal Signal-Processing Circuit Design

I have a signal-processing task that calls for a mixed-signal approach: an analog front-end to condition the incoming signals and a microcontroller-based digita...

HL-40131393

Compact ESP32-C6 IoT PCB

The objective of this project is to design Kicad general-purpose IoT controller based on the ESP32-C6-WROOM-1U. The board is intended for external environmental...

HL-40130200

PCB Dock Design & C Firmware for Lichee Pi Zero 2nd (4G, GPS, RS485, Camera)

I am looking for an experienced Embedded Systems Engineer to design a Dock and develop C firmware for a tracking and monitoring system based on Lichee Pi Zero S...

HL-40122035

ESP32 Sensor-App Integration - AD2P

Looking for someone to integrate Bluetooth voice transfer through AD2P to my existing project using ESP-IDF. It has to work in parallel with BLE communication,...

HL-40120269

Consumer Electronics Prototype Engineer

I need an experienced electronics engineer to help develop a consumer electronics prototype. The project is at the early prototype stage with industrial design...

HL-40117835

Steam Bath Controller Programming

I need a compact control circuit for a steam-bath machine and I want it fully programmed and ready to drop into the enclosure. The heart of the job is reliable...

HL-40117910

PC Motherboard Schematic Designer

I need electrical design engineer who can dive into components datasheet. You should be well versed to review large designs spanning across 400-500 pages. You w...

HL-40117664

Custom 18650 Battery Charger

I need a custom lithium-ion battery charger for an 18650 battery. Requirements: - Charger type: Desktop - Charging current: 2A Ideal skills and experience: - Ex...

HL-40113481

STM32 Embedded Controller – RS-485 Motion & Encoder Control, PCB + FW

Embedded HW & FW Engineer – RS-485 Motion Controller PCB (Camera + I/O) Type: Fixed Price or Hourly Location: EU preferred, remote possible Language: English Du...

HL-40113127

Outdoor CO₂ & Audio PCBA

I want to create a PCBA contains ESP32-C3-Mini, SCD41, INMP441, JST-PH 2Pin port serves as the Solar/Charger Input. The port leads directly to LiFePO4 charging...

HL-40111466

Bluetooth-Enabled Locking Phone Box

I want to turn my concept of a lockable iPhone box into a working hardware prototype. The unit should open like a book, formed in durable hard plastic, and clos...

HL-40105833

Senior Embedded Engineer (Freelance) – Semi Auto Biochemistry Analyzer

Senior Embedded Engineer (Freelance) – Semi Auto Biochemistry Analyzer Description: We require a senior embedded systems engineer to design, refine, and validat...

HL-40105571

USB Headphone Conversion Design

I already have access to a well-built analog headset; what’s missing is the electronics that will let it appear on any computer as a true USB-A device. I need t...

HL-40102659

Custom Consumer Electronics Development

I have a concept for a brand-new consumer electronics device and I need someone who can take it from a blank sheet of paper all the way to a functional, test-re...

HL-40102053

LPG Gas Monitoring Device Design

Smart LPG Gas Monitoring & Safety Device EVT Hardware Design – Complete Scope (Individual Engineer) 1. Project Objective Design and validate an EVT-stage Smart...

HL-40101922

End-to-End IoT Hardware Development

I’m bringing a new commercial IoT device to market and need a single engineer who can take the hardware from napkin sketch to tested prototype. The work spans h...

HL-40101707

Immediate Two-Layer KiCAD PCB Design

I’m ready to move fast on a compact double-layer PCB for a consumer-electronics product. The board will host a central microcontroller plus the surrounding powe...

HL-40101600

IoT System for Greenhouse & Aquaculture Monitoring

We are looking for an experienced Embedded Systems & Hardware Design Engineer to develop a professional-grade IoT monitoring system based on ESP32-S3 for: • Gre...

HL-40101144

Gps and sim in PCB

I want to develop an rectangular PCB which have GPS and 4G sim and one button

HL-40100422

Long-Range Distance Sensor

I need a custom distance-measuring sensor that can reliably detect objects at ranges greater than 10 m. The core deliverable is a working design—hardware plus f...

HL-40099724

Need Electronics engineer for designing and developing electronic circuit for my hydrophonic project.

Hello, I am developing a compact hydrophonic system. I need an electronic engineer proficient in designing and developing the whole circuit. He/she will have to...

HL-40098089

SMART LPG MONITORING DEVICE

Developing a battery-backed LPG gas safety device and looking for a senior embedded hardware engineer for EVT design.

HL-40097286

Mechatronics Product Design Specialist Needed

I’m developing a brand-new device that blends mechanics, electronics, and intelligent control, and I need a mechatronics engineer who can take the concept from...

HL-40096329

Reverse-Engineer SMD PCB for Reproduction

The task is to take an existing, fully populated SMD-only circuit board (no schematics or documentation available) and recreate it so I can send the files strai...