PCB Layout projects — HireLancer archive

ID / Date Listing

Industrial TX/RX Controller based on ESP32: 8× analog + 2× digital + AUX, CAN bus (3.3V transceiver), power outputs with VN5016AJ (5A/channel) — schematic + PCB + enclosure

I’m looking for an experienced electronics designer to develop a complete industrial-grade control system consisting of two devices: 1. Transmitter (TX) – colle...

HL-40232083

Schematic + PCB ESP32version Industrial

I need a complete hardware design based on an ESP32 with CAN-bus communication and ADXL355 plus a gyroscope sensor. I want to receive both the electrical schema...

HL-40231826

TRIAC Traffic Light Controller - ESP32 PCB - easyEda

I need an experienced electronics / PCB engineer to design a reliable 24/7 traffic light controller PCB. This is a safety-critical industrial system, not a hobb...

HL-40231506

Wi-Fi Modem for Smart Meters

I need a purpose-built Wi-Fi modem that can sit in the field, discover and manage between twenty and thirty of my smart prepaid electric meters at once, then fo...

HL-40231312

Prototype Development: Wall-Mounted GSM/Satellite Distress Beacon

Seeking experienced hardware engineer to build a prototype of a wall-mounted emergency device. Specs: Form Factor: Wall-mounted, compact, durable enclosure (wea...

HL-40231146

Integrate Solar Charging Solution

My 4.5 V circuit needs a small solar panel and the proper charge-management hardware so daylight tops the battery up automatically. I’m not sure what panel volt...

HL-40230635

4-Layer ARM Handheld PCB

Project Description: I'm building a compact, consumer-grade handheld device that hosts multiple ARM processors and modules on a single 4-layer board. The design...

HL-40230347

NFC-Based Children's Audio Player Development - 14/02/2026 07:36 EST

Project Description I am developing an educational NFC-based audio player for children (ages 2–7). The concept is simple: a child places an NFC figurine on the...

HL-40229192

Aluminum GC Front-Panel PCB

I need the 2026 GC front panel converted into a production-ready Gerber package so my board house can mill an exact aluminum faceplate. All mechanical data are...

HL-40228512

Medium Complexity PCB Design

I need a medium complexity (3-4 layers) PCB designed for signal processing. The design should be capable of accommodating surface-mount components. Requirements...

HL-40227595

6-Page High-Res PDF

I have a finished KiCad PCB layout and now need a clean, print-ready PDF compiled from it. The final document must contain six A4 landscape pages arranged in th...

HL-40227525

Experienced Technical Writer for STEM Bluetooth Speaker Kit Documentation (Electronics Focus) -- 3

We are seeking an experienced technical writer with a solid background in electronics to update and improve the instructional documentation for our DIY Bluetoot...

HL-40227399

ESP32-based IoT PCB Layout Design & Review

Hello, I am looking for an experienced PCB designer to complete schematic review and PCB layout for an ESP32-based industrial IoT board using EasyEDA (Collabora...

HL-40227274

Double-Layer PCB Design for Radio

I'm seeking an experienced PCB designer to create a double-layer PCB for a consumer electronics radio project. The PCB will include microcontrollers as key comp...

HL-40224914

Explain ESP-PIC UART I2C and complete Circuit -- 2

I already have the full schematic and the finished PCB files for a board that combines an ESP module with a PIC18F microcontroller. What I’m missing is a clear,...

HL-40226410

Revise Wiring Schematic

I need an existing wiring schematic revised to add one component. Requirements: - Current schematic is scanned from PDF - Need to add a green pilot light Ideal...

HL-40226219

Earin M-2 Earbuds: Upgrade and Miniaturization

Custom TWS Earbuds Prototype - Earin M-2 Miniaturization** UNIVERSITY PROJECT: Redesign Earin M-2 earbuds SMALLER to reduce ear protrusion. CURRENT SPECS: 24×15...

HL-40226073

Handheld Device Hardware Prototype

I am developing a compact handheld consumer device prototype that requires integration of a rechargeable battery and small electronic module inside a custom 3D...

HL-40225992

Reengenharia de Placa Eletrônica

Projeto: Engenharia Reversa de Placa Eletrônica Legada Descrição do Projeto Busco profissional com experiência comprovada em eletrônica para realizar engenharia...

HL-40225694

Automotive braking system board improvement (Version 2)

After successfully finalizing our first version of our automotive braking system board, we would now like to improve the design to make it modular, safe, reliab...

HL-40224891

ESP32 Firmware and Efficient Power Switching Circuit

I've already built some prototypes of a circuit capable of switching a single 230 V, 16–30 A line to 4, 8, or 12 outputs—without power loss—but none of them hav...

HL-40224791

Explain ESP-PIC UART I2C and complete Circuit

I already have the full schematic and the finished PCB files for a board that combines an ESP module with a PIC18F microcontroller. What I’m missing is a clear,...

HL-40224317

Circuito Potenza 230V Multiuscita

Ho già costruito alcuni prototipi di un circuito in grado di commutare un’unica linea da 230 V, 16–30 A, verso 4, 8 o 12 uscite; --senza perdita di potenza--, n...

HL-40223985

Single-Speed Pool Pump Installation

I’m replacing my existing pool circulation unit with a single-speed pump that I already have on site, along with all the fittings, unions, and electrical hardwa...

HL-40223047

Complete Cabled Weather Station Setup

Hello , I have a cabled weather station ready to go, but I need an experienced hand with the physical installation side only. The job covers everything from mou...

HL-40223262

Industrial Flex PCB With Sensors

I need a compact, reliable flex-PCB designed for an industrial setting that is subject to continuous high-vibration, ambient temp extremes, and moisture. The bo...

HL-40222894

Medical Vital-Signs PCB Design

I’m developing a compact medical-grade board that will sit at the heart of a new vital-signs monitor. The PCB must reliably acquire and process heart rate, bloo...

HL-40222519

Altium PCB Simulation Specialist

I’ve drafted a single-layer board in Altium Designer and now need a seasoned set of eyes to run thorough simulations before I commit to building the first proto...

HL-40222518

Analog Signal Processing PCB Design

I need a compact PCB developed for a one-off project that focuses purely on analog signal processing. The core task is to turn my hand-drawn schematic into a pr...

HL-40222566

SCX Digital Car PCB

The task is to design a compact PCB that drops straight into an SCX 1/32 car so it can run on a digital track. I want the board to read the track’s reed-sensor...

HL-40222436

PCB Gerber File Creation from Schematic

I need a PCB design from a Schematic I'll provide. a small board, around 170 pins for a guitar pedal. I have a model PCB from another vendor, and the EasyEDA sc...

HL-40222150

Chemical Process P&ID Drafting

I need a clean, well-structured Process Flow Diagram for an Oil and Gas Manufacturing Company that will be used primarily as a training and instruction aid for...

HL-40221829

Consumer Electronics Wireless Circuit Design

I need a compact, production-ready circuit that brings reliable wireless communication to a new consumer-electronics device. The work begins with schematic capt...

HL-40221840

EV Charger Electrical Plan

I need a detailed electrical plan for installing an EV charger in the garage of a new residential home, as required by council regulations. The home has a three...

HL-40221382

Zigbee Green Power Lighting Control

I need a Zigbee Green Power device for indoor lighting control. The primary features required are on/off switching and dimming. Key requirements: - Zigbee Green...

HL-40221246

Senior Industrial Controls Engineer Needed

I’m kicking off a series of manufacturing-plant automation upgrades and I need a seasoned controls engineer who can run each project from the first I/O list thr...

HL-40220163

PCB designer for a simple LED board

I'm looking for somebody who can fix my pcb, all it has are leds on top

HL-40219238

Bluetooth HAM Radio Audio Bridge

I want to build a compact, two-way Bluetooth audio interface for a HAM radio. The core goal is a 2-way bridge between the radio and a realtime camera running on...

HL-40218746

Minimalist Plastic Cyberdeck With Keyboard

I want to create a clean, minimalist cyberdeck housed entirely in plastic that integrates a single key component—a keyboard. No display, no battery pack, just a...

HL-40218766

Diseño de Placa Control LED RGBW

Necesito plasmar en una sola placa todo el sistema de control para seis tiras LED RGBW independientes basadas en el driver 2415F (protocolo de 2 hilos: Data + C...