PCB Design and Layout projects — HireLancer archive

ID / Date Listing

PCBA Layout for Mixed Motor Driver and Microcontroller Board

I'm looking for someone who can fix a problem with the layout of a small PCB with DC boost, DC Motor driver and MCU. Requires experience with mixed power, high...

HL-39870329

Firmware and Hardware Debug Expert

I'm looking for an expert in both firmware (C/C++) and PCB design to address a critical issue where my ARM Cortex series microprocessor stops working unexpected...

HL-39870161

Class D Amplifier and PSU Design

Project: Design & Prototype of Class D Mono Amplifier (600W & 800W) with Matching Power Supply We are seeking an experienced Electronics Design Engineer to deve...

HL-39868071

Final Checks for 6 PCBs

I need an electronics specialist who can perform final checks and preparations on six PCB designs in EasyEDA. These PCBs primarily consist of button and hall se...

HL-39866864

DC Motor Controller Design Needed -- 2

I’m developing a system that relies on a robust DC motor controller and I’d like an expert to turn my functional wish-list into a complete, ready-to-manufacture...

HL-39866530

GPS-Guided BLDC Controller Design

I’m looking for a complete, ready-to-test BLDC motor controller that can: • Regulate motor speed smoothly under varying load. • Report real-time position feedba...

HL-39866364

DC Motor Controller Design Needed

I’m developing a system that relies on a robust DC motor controller and I’d like an expert to turn my functional wish-list into a complete, ready-to-manufacture...

HL-39865915

Wearable Electronics Hardware Design

I’m developing a new piece of wearable technology and need an experienced hardware designer to turn my concept into a working electronic solution. The focus is...

HL-39865414

Pulse Generator Design & Prototype

I’m starting from a purely conceptual sketch and need a complete design-through-prototype of a programmable pulse generator that sweeps from 1 Hz up to 4.4 GHz....

HL-39860817

Diesel AC Controller Design

I already have a compact, diesel-powered air-conditioning unit and now need a purpose-built electronic controller to manage every key function. The engine we’re...

HL-39859686

Miniaturized Medical Device Development

I’m building a wearable, battery-powered device that treats urinary incontinence by driving a micro-stepper screw mechanism. The work is split into two closely...

HL-39857133

Custom 40A ESC Design

MinaProject Details $250.00 – 750.00 USD I fly F5J competition gliders and the commercial controllers on the market still cost me precious grams. I’d like you t...

HL-39856314

Pro In Ear ANC Circuit

I’m building a pair of in-ear headphones that must rival the best studio cans when it comes to silence, so I need a complete Active Noise Cancelling circuit eng...

HL-39850862

Through-Hole Component Soldering

I have a board populated with through-hole electronics components that need some careful rework. Your task is to desolder the existing parts, clean the pads so...

HL-39850909

Modbus Relay Board Development

I need a Modbus relay board that can control 8 relays remotely using the RS485 protocol. Have a protections built in Key Requirements: - Ability to control rela...

HL-39848602

Compact 150W Mini Inverter System Design

The Compact Mini Inverter System supports up to 150W continuous load with a square wave output and ≥85% efficiency. The PCB should be 210mm × 100mm (max), made...

HL-39847048

Prototype Assembly & Soldering Support

I’m finishing a short-run custom prototype and need an extra set of steady, detail-oriented hands. The work centers on three areas: precise component soldering,...

HL-39846797

PCB Assembly for Smart Bin System

Looking for an experienced freelancer to carry out PCB assembly that can be installed onto a fabricated smart bin body. The scope includes assembling the PCB as...

HL-39839186

Keypad Glass Door Auto-Lock - 01/10/2025 04:25 EDT

I need a compact “grendel tekan” style automatic latch that mounts cleanly on frameless glass doors. When the door closes the latch should engage itself; releas...

HL-39836808

Keypad Glass Door Auto-Lock

I need a compact “grendel tekan” style automatic latch that mounts cleanly on frameless glass doors. When the door closes the latch should engage itself; releas...

HL-39838419

Custom High-Power Linux PCB Design

I’m commissioning a ground-up single-board computer that boots mainstream Linux and is purpose-built for embedded systems which need serious processing muscle....

HL-39833283

PCB Layout Space Optimization

I have the full Gerber set for an existing board and I’m ready for a version-up focused purely on rearranging components. No new parts are being added and none...

HL-39831474

Dock PCB Design for AirGradient ONE v9

Project: THT-only “dock” PCB in AirGradient ONE v9 format (KiCad) — order-ready Goal Make a through-hole (THT) carrier board that fits the AirGradient ONE v9 en...

HL-39827615

RS485 Daisy-Chain Signal Fix -- 2

I have a daisy-chained PCB that links several boards over RS485. Each board carries a Microcontroller and the necessary communication modules. Everything powers...

HL-39826972

Conference Room Proximity Sensor Circuit designer

Looking to create a device that can sense when a divisible conference room is divided or combined. At its base function I will want to program it to tell it how...

HL-39826455

RS485 Daisy-Chain Signal Fix

I have a daisy-chained PCB that links several boards over RS485. Each board carries a Microcontroller and the necessary communication modules. Everything powers...

HL-39824781

RS485 to RS232 Converter – PCB Design Needed

Need a compact, reliable RS485 to RS232 converter PCB designed. Must include proper level shifting, termination resistors, and optionally isolation. Prefer use...

HL-39824502

Custom PCB Board Design

I need a complete product-level PCB board designed from scratch. The goal is to take my functional requirements and turn them into a production-ready electronic...

HL-39820322

Custom STM32F7 Flight Controller

I need a bespoke flight-controller board built around the STM32F722 MCU and the ICM42688P gyro. The absolute non-negotiable is seamless, upstream compatibility...

HL-39811496

12V Vehicle Display Controller Development

NOTE: NO GENERIC CUT AND PASTE RESPONSES OR AI RESPONSES PLEASE READ THE REQUIREMENTS Hi! I’m looking for a friendly, practical partner to help me take a fast-b...

HL-39806847

Wigig M.2 card

Pcb design and all the things, files needed for manufacturing 802.11ad/802.11ay wigig M.2 card backward 4x4 mimo 176gbps

HL-39810476

Monitor PCB & Firmware Development

I have a set of hand-drawn sketches for a new main board for a PC monitor that houses an add-on subsystem, and I’m ready to turn them into a fully manufacturabl...

HL-39810270

Monitor PCB & Firmware Development

I have a set of hand-drawn sketches for a new main board for a PC monitor that houses an add-on subsystem, and I’m ready to turn them into a fully manufacturabl...

HL-39808905

Wireless Welding Remote Design

I’m building a long range handheld wireless remote dedicated to fine-tuning welding current on the fly. The unit only needs to change the machine’s amperage and...

HL-39807249

Hydrogen Sensor Design for Research

I’m running a set of experiments that require accurate, real-time monitoring of hydrogen inside a temperature- and humidity-controlled chamber. I need a purpose...

HL-39806802

URGENT - Fix MEMS Mic Static Noise

The item is of urgent need. My MEMS-microphone circuit is picking up a constant, low-level hum that blankets the entire recording. I have ruled out obvious grou...

HL-39806732

Custom ESC for Powered Glider

ESC Target Specification (F5J / 50A Class) 0) Summary Goal: Lightweight, reliable 50A brushless ESC for F5J gliders, similar class to “Francy 50” with features...

HL-39806175

Wigig M.2 card

Pcb design and all the things, files needed for manufacturing 802.11ad/802.11ay wigig M.2 card backward 4x4 mimo 176gbps

HL-39805864

Disposable Fitness Wearable with App

Design & Development of a One-Time-Use Wearable Device + Athlete Tracking App Project Description: We are seeking an experienced team (or freelancer with hardwa...

HL-39804753

IoT Specialist: Hardware, Firmware & Cloud Integration

IoT Engineer – Embedded Systems & Cloud Integrations I’m an IoT Engineer specializing in end-to-end connected product development — from PCB-ready hardware desi...