PCB Layout projects — HireLancer archive

ID / Date Listing

Low-Profile TKL PCB & BOM

I’m building a tenkeyless mechanical keyboard that uses low-profile, hot-swap switches and I need a complete hardware package to move it from concept to product...

HL-39949412

Automotive-Grade ESP32 PCB Design

I need a complete, production-ready hardware design for an ESP32 board that will sit inside an automotive environment and serve engine-control, infotainment and...

HL-39947798

Arduino Motion-Controlled Light - 04/11/2025 07:56 EST

Saya sedang menyelesaikan tugas sekolah yang mengharuskan saya membuat rangkaian Arduino sederhana. Proyek ini memanfaatkan sensor gerak untuk menyalakan dan me...

HL-39947431

Finalize PCB & Prototype Order

My 2-layer PCB is already 95 % complete. I now need a fresh set of eyes to: • Tweak and lock-in the remaining component placement so the board is clean, balance...

HL-39947170

Arduino Kiwi Grading Machine Support

My M.Tech thesis centres on building a weight-based grading machine for Indian kiwis. The prototype already has an Arduino Uno, a stepper motor that turns a rot...

HL-39946629

CNC Plasma Isolation Circuit

I’m upgrading the plasma source on my CNC plasma cutter and need an experienced power-electronics professional to create a compact voltage-isolation module for...

HL-39946022

AI Conversation Assistant Wearable Prototype

An invisible, AI-powered wearable will whisper real-time insights—fact-checking, conversation prompts, and subtle reply suggestions — while I continue hearing t...

HL-39945795

Compact Single-Layer HV Signal PCB

I need a one-layer PCB, smaller than 5 cm × 5 cm, that takes a low-level control signal, divides it with a 4020 counter, passes it through a MOC3041 opto-triac...

HL-39945455

Ingeniero/a Electrónico para Cerradura de Seguridad (Fase Final de Producto) -- 2

Oferta de Colaboración: Ingeniero/a Electrónico para Cerradura de Seguridad (Fase Final de Producto) Buscamos un Ingeniero/a Electrónico/a freelance y con exper...

HL-39943571

Diseño de PCB de 4 capas para dispositivo IoT con módulos RF y sensores.

Busco apoyo para transformar un esquema electrónico en una PCB de prototipo de 4 capas, tamaño mediano (aprox. 5–7 cm), con integración de varios módulos de com...

HL-39944006

Pantalla para mostrar datos desde un JK BMS con buenos graficos

Deseo crear una pantalla donde se puedan mostrar ciertos datos que seran sacados de la red CAN o 485 de un BMS JK

HL-39943075

PCB Design For AC DC Converter of 2 Channels and Multi Cut PCB

I need a production-ready PCB for a 250 W AC-DC converter that accepts a 230 ±10% VAC input and delivers a 2 channel 5.5 V DC and 5 V DC. Your job is to Design...

HL-39941773

Raspberry Pi Lighting Control Guide

I have an existing Raspberry Pi setup that drives a light-control platform, but I no longer have clear documentation for it. I need a straightforward blueprint...

HL-39941269

Industrial Automation PCB Design

I am Dr. Sampath Emani, a PhD in Chemical Engineering I am writing to seek your collaboration on a consulting project involving the design and development of a...

HL-39940608

Custom PCB Schematic & Gerber

I need a circuit schematic and Gerber design with 3 power inlets and 1 outlet. If electricity flows from only one inlet, the outlet should activate normally. Ho...

HL-39940370

Basic Wind Turbine AC-DC Converter

I need a straightforward circuit that turns the small-scale AC output of my miniature wind generator (i have followed a YouTube guide to make the generator, a b...

HL-39938938

Compact Wearable AI PCB Design

I’m building a small, wearable AI gadget and need a concise yet production-ready hardware blueprint. I already have the core components picked out—a specific mi...

HL-39937926

ESP32 Kelvin Resistance Measurement Setup

I need a complete, ready-to-flash solution that lets my ESP32 measure very low resistances—from 0.1 Ω up to 10 Ω—using a true 4-wire Kelvin technique. This is a...

HL-39938296

Measurement Device Prototype Engineer

I’m ready to move an ambitious idea forward and need an electrical-engineering partner who can turn it into a first-run electronic prototype focused on measurem...

HL-39937836

Automotive Sensor ASIC Blueprint

I’m planning an automotive-grade ASIC focused on reliable sensor interfacing and need a seasoned embedded engineer to shape the initial blueprint. Here’s what I...

HL-39937455

ESP32-Based 18V / 5000A DC Rectifier Monitoring System – Industrial Grade (India Only)

Need a complete hardware + firmware design for a 0–18V, 0–5000A DC rectifier monitoring system using ESP32-WROOM. The system must accurately measure voltage and...

HL-39937158

Button-Activated Vibration Device Design

I need a compact, battery-powered electronic device that produces a noticeable vibration whenever a user presses a single onboard button. The overall goal is to...

HL-39937174

Variable Vibration Device Prototype

I want a wrist-sized electronic device that does one job exceptionally well: create vibrations—and let me vary those vibrations on demand based on button presse...

HL-39936330

تصميم لوحة PCB متكاملة

أحتاج إلى تصميم لوحة دائرة إلكترونية مطبوعة صغيرة (أقل من ‎10‎ سم) لتحريك مجسم المجموعة الشمسية داخل الصف. اللوحة ستتحكم في محرك واحد يحرك الكواكب وتدمج نظام إض...

HL-39935349

Compact Smartwatch PCB Design

I’m building a small, rugged smartwatch and need a complete PCB designed that fits inside a maximum watch size of 40 × 40 × 12 mm (rectangular preferred). The b...

HL-39935187

Need Freelancer for USB-C Rugged Hub Design (PCB + Casing + BOM)

We’re developing a rugged USB-C to Ethernet + USB hub under our new brand IshaSync Technology and are looking for an experienced freelancer or small design team...

HL-39934346

Rugged High-Performance DC-DC Converters Design

DC-DC Converters Project Project Overview: I am building a new Australian brand focused on creating the world’s best DC-DC converters in efficiency, reliability...

HL-39933305

Debug Overheating Charge Board PCB

I designed a small charge-control board in EasyEDA around the FM5324GA. Although the layout functions, it overheats and the output droops instead of a steady 5...

HL-39933201

Utility Patent Line Illustrations -- 2

I’m finalising a UKIPO utility patent application for a novel phase-change refrigeration and quenching system and need a professional illustrator to produce for...

HL-39933193

Utility Patent Line Illustrations

I’m finalising a UKIPO utility patent application for a novel phase-change refrigeration and quenching system and need a professional illustrator to produce for...

HL-39933070

Arduino pcb

Freelancer Request Message (Updated with TFT feature) Subject: Request for Full Design and Documentation – Interactive Force-Controlled Liquid Dispensing System...

HL-39932818

PCB Design for Smartwatch

I need a detailed schematic diagram, Bill of Materials (BOM), and Gerber files for a smartwatch PCB. The smartwatch will have notifications and alerts functiona...

HL-39932489

Electro-Osmotic Concrete Drying Design

Electro-Osmotic Drying System – Electronics Specification Electro-Osmotic Drying System – Electronics Specification Client: Frode Evje – Norway Project Scope El...

HL-39932155

Battery-Powered Wireless PCB Design

I need a straightforward yet reliable custom PCB that handles wireless communication while running from a battery in the 5 V – 12 V range. The goal is to move q...

HL-39931603

IoT Hardware & Mobile App Build

Smart Fire Detection and Monitoring System Prepared by Executive Summary Fire incidents in the Kurdistan Region continue to cause devastating losses in lives, p...

HL-39930031

Alphanumeric Smart Lock Prototype mechanical device

I need a working prototype of a mechanical lock that opens only after the correct alphanumeric code is entered on a keypad. The unit must recognise and store mu...

HL-39930074

Drone Integrated Circuit Board Design

We’re seeking a PCB design engineer to design an integrated board combining the Flight Controller, ESC, and Microprocessor (Raspberry Pi) into one compact syste...

HL-39929701

Multi-Speed Handheld Massager Retrofit

I have a battery-powered, two-head oscillating handheld massager that currently runs only at its fixed factory speeds. I want to open it up and give it a full u...

HL-39929751

Flexo Print Schematic Design

I need a complete flexographic printing schematic for polyethylene film. The artwork will feature graphic images with multiple colors and must cover a large pri...

HL-39927954

Outdoor Concrete Yield-Stress Sensor

I’m developing a thin capacitive patch that can sit directly on fresh concrete and track yield-stress development in real time. The goal is true continuous moni...