PCB Design and Layout projects — HireLancer archive

ID / Date Listing

PTH PCB Reverse Engineering

Looking for some electronic engineer to draw schematic from existing pcb which has few pth components connected to the microcontroller communication part. Can n...

HL-40089811

High-Speed Router Hardware Design

I’m building an integrated computer system and need a specialist to take full ownership of the hardware side of its networking component. The objective is strai...

HL-40088176

Manufacture & Assemble Custom Electronic (PCB + 3D Printing) -- 2

I have an existing fully designed PCB and a 3D model (.OBJ file) for a custom electronic game puck–style device. I’m looking for an experienced hardware freelan...

HL-40086203

500W DC Motor Controller Design

I’m ready to hand over the full schematic of my 36 V / 500 W brushed-motor controller so you can put it under the microscope. The design is built around three p...

HL-40086138

Manufacture & Assemble Custom Electronic (PCB + 3D Printing)

I have an existing fully designed PCB and a 3D model (.OBJ file) for a custom electronic game puck–style device. I’m looking for an experienced hardware freelan...

HL-40085252

Compact VIM4 CAN Daughterboard Design

I’m extending my Khadas VIM4 with a plug-in daughterboard that replicates the open-source Canable Mk2 CAN-bus interface (https://github.com/makerbase-mks/CANabl...

HL-40084625

CircuitMess Chatter Assembly & Firmware

I’m putting together the Circuit Mess Chatter kit and need an extra set of skilled hands and brains to see it through from bare PCB to fully-working, code-runni...

HL-40081487

Breath Analyzer PCB Design -- 2

I’m building a compact consumer-grade breath analyser and need a production-ready PCB that integrates the gas-sensing front end with Bluetooth connectivity and...

HL-40079711

Redesign Raspberry Pi CM4 NAS Carrier Board

The new design must prioritize reliability, easy debugging, and manual assembly, using through-hole components wherever possible. Requirements: regulated 12V DC...

HL-40079423

SSR 3-Phase Motor Control PCB

I need a production-ready board that can drive a three-phase motor forward and reverse through solid-state relays while safeguarding the system with reliable ov...

HL-40079021

TWS Earbuds Prototype Build

I already have the full schematic and Gerber files for a new pair of true-wireless stereo (TWS) earbuds. What I now need is a turnkey, ready-to-manufacture prot...

HL-40075633

Custom Matrix Keypad Module

This project involves the development of a compact, sealed, and intelligent keypad module designed for industrial automation environments. The system integrates...

HL-40073198

Galaxy S22 Ultra CPU Reballing

My Galaxy S22 Ultra no longer powers on. I’ve already walked through the usual diagnostics—battery checks, cable swaps, button-combo resets—and even attempted m...

HL-40072067

BLE Fitness Tracker

I’m building a wrist-worn fitness tracker and need the core firmware that turns raw motion into useful, low-power BLE data. The hardware is set around an nRF528...

HL-40071575

Electronics & Embedded Systems Engineer – Outdoor IoT / Climate-Tech work

We are ClimMaTech Pvt. Ltd., an IIT Mandi–incubated climate-tech startup founded by IIT alumni, working on real-world climate risk monitoring and early-warning...

HL-40068233

Multi-Layer Industrial PCB Design

I’m finalising an industrial-grade control module and now need a seasoned PCB engineer to turn my block-level diagram into a production-ready, multi-layer board...

HL-40067885

12V Circuit Board Design

I'm looking for a custom circuit board to power a 12V solenoid and a small 12V motor. The circuit board should regulate power supply and remain active until tri...

HL-40065793

Custom ESP32 PCB Gerber

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-40062515

AI Enhanced Wearable Reading Assistant Prototype

Embedded Engineer – Wearable Smart Glasses + Pocket AI Unit (Prototype) Project Overview We are looking for an experienced embedded systems engineer or small te...

HL-40062437

Custom Voltage Output Circuit Board

I need a small circuit board that takes two 20VDC hot-swap power inputs and provides multiple voltage outputs. Requirements: - Voltage Outputs: 5VDC, 12VDC, 20V...

HL-40061056

SSL Duality Main Section Schematic

I am piecing together a stripped-down console for studio recording and only need the heart of the desk: the master section of an SSL Duality (or a very close eq...

HL-40060793

SMART SMPS with Inbuilt Timer & SPD Protection

We are developing an industrial-grade Smart SMPS with an inbuilt digital timer module and surge protection (SPD) integrated into the PCB design. The freelancer’...

HL-40059413

Experienced DC-AC Inverter Design Engineer

I need a DC-AC Pure Sine Wave Inverter design for helping me move from concept to production on a truly rugged DC-AC inverter for industrial machinery. The unit...

HL-40058318

t type cryogen temperature controller

Features & Functional Requirements (Final) Mandatory Core Features Dual independent temperature control channels 2 × T-type thermocouple inputs Temperature oper...

HL-40044926

STM32 Nucleo Input Board Design

I need a plug-on input board for an STM32 Nucleo that cleanly brings five external signals and one digital contact into the MCU. All work must be done in KiCad,...

HL-40053130

Electrical Neurostim Headband Prototype

I’m building a wearable headband that modulates neural activity through safe, low-level electrical stimulation to help correct dopamine and serotonin imbalances...

HL-40052894

Neurostimulation Headband for Cognitive Recovery

I’m developing an adult-sized wearable headband that delivers gentle, targeted neurostimulation to restore healthy neural pathways and, in turn, improve overall...

HL-40051134

Hand-Waving Doorbell Prototype & Launch

I have conceived a “hand-waving doorbell” that rings the moment someone passes a hand in front of a sensor—no button, no touch. I now need a partner who can tak...

HL-40049260

Wireless Charger PCB Optimization

I already have a wireless-charging circuit squeezed into a 40 mm × 14 mm board, but I want to refine it so the board cleanly drives three on-board LEDs that com...

HL-40045764

Earbud PCB Schematic Design

I need a clear, production-ready schematic for an in-ear wireless earbud PCB. I will handle the final board layout and manufacturing myself, so what I am really...

HL-40044192

easy eda PCB

I need a schematic and PCB design created in EasyEDA, suitable for manufacturing through JLCPCB. Please check the attachment — it includes an image of the curre...

HL-40042898

Reversing engineering SM-A156E Flex Cable Diagram

I need a fully annotated wiring diagram for the main flex cable on the Samsung SM-A156E (CTC FPCB SI432 SI OCTA). The drawing must capture every track and via,...

HL-40039342

Pi Zero Camera PCB & Case

I need a compact, single-board solution that combines a Raspberry Pi Zero 2 W, its camera module, an ADXL accelerometer, and a TP4056 charging circuit able to s...

HL-40038256

Custom Sound Module for Interactive Sound Book

I'm looking to create a custom sound module for a children's interactive sound book. The module will be used to play 27 minutes of pre-recorded audio devided in...

HL-40036773

Wearable PCB with Battery Management

I am building a very small, consumer-facing device and need a production-ready PCB that will slip neatly into a compact enclosure. Space is tight—think wearable...

HL-40036567

20kV Portable HV Supply Design

I am developing a portable high-voltage power supply for scientific research experiments and need an experienced HV circuit designer to turn the concept into a...

HL-40036599

20kV High-Voltage Supply Design

I need a complete 20 kV DC power-supply design that can serve rigorous scientific-research setups. The final design has to be electrically safe, mechanically ma...

HL-40030370

PCB Redesign & Firmware Support

The immediate priority is schematic redesign pulled directly from the current PCB files. You will be tracing nets, updating footprints, and re-balancing power d...

HL-40029797

Biosensor Electrode 3D Design and PCB creation

I am developing a small, next-generation dry EEG electrode for a wearable headset. The complete electrode, including housing, is about 20 mm in diameter and mus...

HL-40026691

Complete Arduino Actuator Control System

I am rolling out a small-scale industrial automation rig that runs on an Arduino Mega driving seven 12 V linear actuators through BTS7960 H-bridge modules. A 3....