PCB Layout projects — HireLancer archive

ID / Date Listing

Reengenharia Completa de Placa Eletrônica

Tenho uma placa eletrônica legada que precisa ser totalmente atualizada e documentada. O trabalho está dividido em cinco etapas, cada uma com prazo firme: 1) At...

HL-40406418

V-Score PCB Panelization

I'm seeking an experienced PCB panelization expert to help reduce manufacturing costs. The preferred method for panelization is V-score and will be done in Eagl...

HL-40406159

Computer Engineer (Electronics & Embedded Systems)

We are looking for a highly skilled Computer Engineer with strong expertise in electronic design and embedded systems to join our growing team. This role involv...

HL-40405301

ESP32-S3/04 BTS7960D - EASYEDA PRO - ROTARY INCREMENTAL ENCODERS PCB PROJECT

ESP32-S3 will be the brains of my PCB for controlling two car wiper motors. Board will have inputs for two incremental rotary encoders and an SPi output for com...

HL-40405107

Optimize 3A Charging PCB Layout

I already have a fully verified schematic for a 52 mm × 38 mm vehicle-charging circuit and a proven reference board that hits the desired 3 A+ current. The only...

HL-40405129

Mixed-Signal KiCad Medical PCB

I’m developing a small (35x45mm) (10 IC) 6-layer mixed-signal board that will sit inside a handheld medical device, and I already have a first-pass KiCad schema...

HL-40404882

Fix Electrical Fault on Wood Machine

My production-floor woodworking machine is due for its scheduled maintenance and, at the same time, has developed an electrical fault that keeps tripping the sa...

HL-40403647

GPS-Enabled Smart Bovine Collar Developer

GPS Smart Cow Collar — Prototype Development (3 Units) I am looking for an experienced embedded hardware developer to build 3 working prototypes of a GPS-enable...

HL-40403256

Complete Digital Signal PCB Design

I need an experienced PCB designer to take my concept all the way from a clean, well-documented schematic through to final production files. The board’s purpose...

HL-40402792

Complete Digital Signal PCB Design

I need an experienced PCB designer to take my concept all the way from a clean, well-documented schematic through to final production files. The board’s purpose...

HL-40402544

Wastewater Permit Diagram Certification

Hi, I need a Florida-licensed Professional Engineer (PE) to review and certify (stamp/sign) an existing schematic flow diagram for an industrial wastewater perm...

HL-40401841

DC-DC SMPS Design

Required a SMPS with control circuit 24v upto 10amp Condition When input signal A(4.7v dc) is active output voltage is 18v, when input signal B(4.7v dc)is activ...

HL-40401696

Sensor-based Stress Management Wrist Cuff

we want a sensor-triggered experience prototype. Goal: Build a wrist-worn cuff that can detect likely stress using basic physiological signals and trigger hapti...

HL-40401512

Kapton & FR-4 Antenna Fabrication

I’m ready to move my microstrip patch antenna design into production and need a shop that can build prototypes on two distinct substrates: • Copper-clad polyimi...

HL-40401513

PCB Re-Routing For Performance

I already have a complete schematic and board layout that works electrically, yet I’m seeing room for better overall performance. What I need now is a careful r...

HL-40401361

ESP32 LED Strip Integration

I have an ESP32-based project driving WS2812B addressable LED strips and I need the hardware side finished right away. The goal is to get a rock-solid, noise-fr...

HL-40401434

Android TV Motherboard Design

I’m developing a 32-inch and 43-inch commercial Android TV line and need a seasoned embedded hardware engineer who has already taken high-speed boards into prod...

HL-40401006

OrCAD Single-Ended Audio Amplifier

Design an audio amplifier that meets the following specifications: (a) the amplitude of the input signal V_{ip} is in the order of µV (column A); (b) the output...

HL-40400846

Portable Under-shoe Weighing Device Development

I am looking for a specialist to design and develop a compact, lightweight, wearable weighing device that is mounted underneath a shoe. Requirements: - Form fac...

HL-40400709

PCB Design in EasyEDA: ESP32-PICO-D4 base board with 2 sensor inputs, SD card, and expansion headers -- 2

I am enclosing the technical specifications in two languages: Russian and English. Прилагаю техническое задание на двух языках: русский и английский Need an exp...

HL-40400776

Industrial Multi-Layer PCB Design

I need a clean, production-ready layout for a multi-layer PCB that will sit at the heart of an item of industrial equipment. The board’s job is straightforward...

HL-40400797

Sensor-based Stress Management Wrist Cuff

we want a sensor-triggered experience prototype. Goal: Build a wrist-worn cuff that can detect likely stress using basic physiological signals and trigger hapti...

HL-40400820

Commercial-grade EV Motor Controller Design -- 2

I am looking for an experienced power electronics engineer to design a commercial-grade EV motor controller for e-scooter, e-rickshaw, and e-loader applications...

HL-40400698

ESP32-WROOM-32E PCB Design in Altium -- 2

Have a working circuit diagram for a device based on the ESP32-WROOM-32E module. The system is powered from an external supply (5V / 8V / 12V). The next step is...

HL-40400191

KiCad Expert for Split Keyboard PCB Modification + JLCPCB PCBA Ready

I’m looking for a freelancer with proven KiCad and JLCPCB experience to adjust a 54-key split keyboard PCB (TRRS connection between halves). Objective: Convert...

HL-40400036

Interactive Educational Device Prototype

TITLE: Hardware Prototyping Engineer (Contract, 2 months) DESCRIPTION: We're building a working prototype of an interactive educational device for an investor d...

HL-40399581

Arduino Rover & Showcase Website

I’m putting together a beginner-friendly tech project that blends hands-on robotics with a small web presentation, and I’d like expert guidance from start to fi...

HL-40399586

ATM90E32 Energy Monitor Integration

Project Overview: The project involves interfacing an ESP8266 (Wemos Mini) with the ATM90E32 energy metering IC to read electrical parameters and build a scalab...

HL-40399148

Minimalist Breathing Guide Wristband

I’m working on an early-stage wearable concept and would like to build a simple prototype to test a specific interaction. The goal is NOT to build a full produc...

HL-40398787

Dual-Station Screwdriving Automation -- 2

I need to cut our current assembly cycle time by at least 60 %, so I’m commissioning a fully-automatic, dual-station screwdriving cell for a line that builds sm...

HL-40398600

Design 72V-12V Automotive DC-DC

I’m developing an EV scooter, e-rickshaw and loader platform that runs from a 38 V – 72 V traction battery. I need an isolated DC-DC converter that delivers a c...

HL-40398621

Commercial-grade EV Motor Controller Design

I am looking for an experienced power electronics engineer to design a commercial-grade EV motor controller for e-scooter, e-rickshaw, and e-loader applications...

HL-40398127

ESP32-S3 Firmware + PCB Validation (LED + Audio Device – Design Complete)

I have a completed embedded hardware design and need an experienced developer to finalize firmware and validate the system for production. This is NOT a new des...

HL-40398157

DWIN 8” Display UI Development

I have a DWIN DMG12800C080_03WN 8-inch TFT already wired to an ESP32 over UART. The goal is to create a clean DGUS–based interface that shows live temperature,...

HL-40398047

150W DC-DC Buck Converter

I need a DC-DC converter prototype as per the following parameters: Power Rating: 150W Input: 16-32V DC Output: 5V, 25A Output Variation: 2-5V using a 10K Ohm E...

HL-40397868

Compact Isolated SMPS & PCB Design

Design 150W Isolated SMPS (12V 10A + 5V + 3.3V) with PCB & Gerber I need a professional electrical engineer to design a compact, isolated SMPS power supply for...

HL-40397921

High-Current SMPS Design for LED Wall

I am looking for an experienced power electronics engineer to design a high-current SMPS for a digital LED video wall application. ## Requirements: ### Input: *...

HL-40397765

Multi-Source Energy System Prototype Development

Project: Hybrid Multi-Source Energy Prototype (Micro Build – Ongoing) I’m developing a hybrid energy system designed to combine multiple environmental inputs, i...

HL-40397089

California EV Charger Permit Assistance

I’m preparing to add a small cluster of 1–5 EV charging stations at a shopping center here in California and need a specialist who can carry the project smoothl...

HL-40396914

Portable Electric Outboard Motor Development -- 2

I'm seeking a skilled engineer or team to develop a portable electric outboard motor designed for recreational boating use in both freshwater and saltwater. The...