PCB Layout projects — HireLancer archive

ID / Date Listing

Pulse Stretching Circuit Design

I'm looking for an experienced electronics designer to create a circuit that can take a 10–50 µs pulse (1–10V at ~1 Hz) from a photo-transistor, stretch it to a...

HL-39735919

High-Current Solenoid Driver Circuit Design

I need a safe, reliable design for a high-current driver circuit to power a 12V solenoid using 18V tool batteries (Ryobi/Milwaukee/Makita). Requirements: - Deli...

HL-39735791

24-30V & 15V PSU Design

I need a compact, medium-power supply that will accept a 24 V DC input and provide two regulated outputs: • 30 V DC for a three-phase BLDC motor • 15 V DC for t...

HL-39734422

Pcb doesn’t work

We have a simple pcb which burns as sometimes. Check the simple schematic Tell me what’s wrong Update the KiCad files Make the pcb 1mm smaller On the last sampl...

HL-39734329

Modbus Setup for Electricity Meter

Looking for a Developer to Set Up Communication Between Electricity Meter (Modbus) and HTTP Server via Protoss PG41 Converter

HL-39733413

Debug Capacitive Touch PCB

I need help diagnosing a malfunction in a capacitive touch PCB with fewer than 10 components. The board exhibits unexpected behaviour when powered on. Key detai...

HL-39733213

Firmware Modification for Plumbing Camera

I'm seeking an experienced firmware engineer to modify the firmware on a P25Q40SH (SPI Flash 4 Mbit) chip used in a plumbing inspection camera monitor. The task...

HL-39732430

Proton Precession Magnetometer Circuit Design

Looking for an expert to design a circuit for my project, which is a Proton Precession Magnetometer. Order flow is as follows; -polarizing pulse which energizes...

HL-39732333

Wigig over fiber optic cable, wigig optical extender

Pcb design: Nyák tervezés: Szeretnék egy olyan extender-t, ami kiterjeszti a wigig hálózatot optikai kábelen keresztül. Tehát meghosszabbítja a wigig antennát o...

HL-39730997

PCB and Firmware Verification

I need help verifying and correcting connections on a PCB involving ATMEGA328P, MFRC52201, and MCP2515. You'll also check and improve the Arduino firmware funct...

HL-39722386

Digital Fuel Flowmeter System

I’m upgrading my car with a fuel-flow measurement setup that does more than just show the litres per minute. The plan is to insert a fuel flowmeter in the line,...

HL-39729543

LEO 2.0 Micro Drone PCB Design

We are building LEO 2.0, a next-generation micro drone platform at Valyant Technologies. We require a custom 4-layer carrier PCB integrating an ESP32-S3, brushl...

HL-39728576

Autonomous Scooter & Car(vehicles) Wiring & Circuits -- 2

The project involves creating a complete electrical architecture for an autonomous car, from high-level power distribution down to connector pin-outs. Schematic...

HL-39727717

Custom ESP32 KiCad PCB Design: Schematic Review & Layout for Interconnect and power management PCB

Project Overview: I require an experienced PCB designer to review my existing KiCad schematic and perform the complete PCB layout for a custom-shaped board. The...

HL-39727550

Basic PCB Design for Junction Box

I'm seeking a freelancer to design a basic PCB for a simple electrical junction box. The junction box will be used to connect analog components. Requirements: -...

HL-39726999

AI-Based Electronic Device Design and Prototyping -- 2

I'm looking for the help on designing my AI-based electronic device. I need its design for manufacturing, engineering and prototyping. The prototype should be f...

HL-39726033

Low-Power 3-Phase BLDC Driver

I need a compact, reliable driver for a sub-1 kW 3-phase BLDC motor being built into a niche prototype outside the usual industrial, EV, or consumer categories....

HL-39725198

CNC G-code Programming for PCB

I need a skilled programmer to create G-code for CNC machining of PCB sheets.

HL-39724959

Compact Wireless Charger Design

I need a small circuit board designed for a compact wireless charger. The charger should be compatible with fitness trackers (rings) and must include overheat p...

HL-39724039

Desktop SMD Pick-and-Place Build

I’m setting up a small lab and need a compact desktop pick-and-place machine that can reliably handle micro SMD parts for prototyping runs and short production...

HL-39723288

RF Circuit and PCB Design

I need an experienced designer to create an RF circuit and PCB for communication purposes. The circuit will operate outside the typical frequency ranges and wil...

HL-39723157

High-Frequency RF PCB Design

I'm looking for an experienced RF PCB designer to create a medium-sized (10-50 cm²) PCB for a SAR sensor application. The primary application is yet to be defin...

HL-39723015

Prepaid Irrigation System Design

I need a prepaid irrigation system designed to manage multiple pumping stations using a SCADA system for comprehensive monitoring. The system must handle submer...

HL-39722478

Website issue with dreamwaver

I’m looking for assistance in correcting some issues with my website in Dreamweaver. The site was previously designed for me, but the quality does not fully mee...

HL-39722348

Urgent! Compact Keypad Phone

I need a complete concept and production-ready design for a pocket-sized feature phone that uses a physical keypad. The priority is keeping the overall footprin...

HL-39721570

Multi-layer PCB Design for Industrial

I need a professional PCB designer to create a multi-layer PCB for industrial equipment. The design will need to accommodate both through-hole and surface-mount...

HL-39721330

Consultoría PCB Multicapa en Concepto

Buscamos un profesional en diseño de PCB que trabaje de forma colaborativa con nosotros. La placa no es complicada, es un diseño sencillo y no debería requerir...

HL-39720714

Compact Hi-Fi Bluetooth Audio Player

I'm looking for a skilled developer to create a compact audio playback device with the following core functions: Audio Playback: - Play audio files from a micro...

HL-39720623

PCB soldering or Electronics repair – Circuit Repair Specialist (South Florida)

We are seeking a freelance welder with strong skills in PCB soldering and circuit repair. The ideal candidate must be able to solder resistors and other electro...

HL-39719311

A-ROX Smart Document Dispensing Kiosk Design -- 2

1. Purpose The A-ROX machine is a self-service smart Xerox/printing kiosk for college and hospital campuses. Users upload and pay via an app, and the machine au...

HL-39719181

Electrical Engineer for Production-Ready LoRa Button & Receiver

We are seeking an experienced Electrical Engineer to take our LoRa-based communication system from a functional prototype to a polished, production-ready design...

HL-39719053

Copyright-Free PLC & Embedded Systems Training

Project Requirement: Copyright-Free Training Videos We are looking for a freelancer/trainer to create copyright-free training videos in English for our internal...

HL-39718588

HVAC Controls Engineer for DOAS Design

We are seeking an experienced HVAC Controls Engineer to support the design of a Dedicated Outdoor Air System (DOAS) for industrial applications in hydrogen sulf...

HL-39718394

GPS Locator Device Prototype Design

I need a skilled designer to create a prototype for a patented GPS-based locator device. The device will have real-time tracking and battery status notification...

HL-39717771

Custom 12V Electric Hoist Design

I need a handheld 12V electric hoist designed for a specific application. Requirements: - Capability to lift or pull heavy objects, with a weight capacity beyon...

HL-39717462

Flame Scanner Sensor Card Amplifier Board using LOG114 and VTB5051H Photo Diode

Looking for Analog Engineer to develop schematic of Flame scanner module using LOG114 precision trans-impedance amplifier and the VTB5051H photodiode for an ind...

HL-39717279

ESP32-Based Car Anti-Theft PCB Design

Project Title: ESP32 Car Security PCB with Relay Description: We need a custom PCB that integrates an ESP32 microcontroller with a 12V automotive relay for a ca...

HL-39717297

Altium Mentorship and Collaborative PCB Design

I’m an electronics engineer with about eight years in hardware development, yet my PCB work has always been spread across different EDA tools and subcontractors...

HL-39715795

HMI Design for Manufacturing

I need a skilled designer to create an HMI interface for the manufacturing industry, specifically for machine operation. The ideal candidate will have: - Experi...

HL-39715811

Smart Wearable Respiratory Monitor

I want to build a small, comfortable wearable that tracks every phase of my breathing in real time. It must • measure the volume of each inhalation and exhalati...