PCB Layout projects — HireLancer archive

ID / Date Listing

Dual Plunger Gear & PCB Upgrade

My prototype runs on two independent 360-degree servos that each turn a separate gear train to drive plungers. A 1.68" display and a small vibration motor round...

HL-40355216

Hybrid Off-Grid Power System Engineer

I'm seeking an electrical engineer with expertise in renewable energy systems to assist in validating designs and finalizing engineering plans for a hybrid powe...

HL-40353502

DC Motor Control System Development

I'm looking for an experienced engineer to develop a closed-loop control system for DC tandem motors. Key Requirements: - Control System: Closed-loop control -...

HL-40353552

Battery-Powered Water Level Indicator Redesign

I need my current water-level indicator rebuilt from the ground up so it does far more than just show a level. The new design must constantly monitor the tank,...

HL-40352871

Configuração Inicial USG Pro 4

Preciso colocar um Ubiquiti UniFi Gateway USG Pro 4 para funcionar em minha rede residencial cabeada. Quero que todo o processo de configuração inicial fique pr...

HL-40352836

Schematic Design Review. Power & Capacitor

I have a reaction-timing system schematic that needs a careful second set of eyes. Your task is to validate the entire power section—specifically the voltage le...

HL-40352843

KiCad file from wiring diagram

Hi there amazing freelancers, I have a relatively simple wiring diagram that I need converted to a KiCad file to send out for 3rd party fabrication. Please see...

HL-40352388

Refine STM32 PCB for Production

I already have the complete KiCad project — schematic and routed PCB — for a compact STM32-based board. The core functionality is proven, but the layout still n...

HL-40351858

Robot PCB & Firmware Optimization

My motor-driven inspection robot already works, but its electronics and code now need a serious upgrade. The mobile unit talks to a control box through a 100-me...

HL-40351491

Interactive Electronics Schematic Design. THIS IS NOT PCB DESIGN PROJECT -- 2

I’m developing a commercial product that relies on a set of interactive elements—speakers, sensors, and LED displays—and I need clean, production-ready schemati...

HL-40351387

Power System SLD Design

I’m putting together a detailed single line diagram for a new power-distribution scheme and need an experienced electrical engineer to finish it to professional...

HL-40350621

Home 4-Way Passive Crossover Design -- 2

If you don’t have experience do not bid. Twice now I’ve had people saying they can do this and no results! I’m putting together a high-fidelity home audio syste...

HL-40350632

Modular RP2040 Factory Equipment Design

I am building a set of compact, plug-and-play factory modules—currently a welder, a mixer, and an extruder—driven by a single Raspberry Pi RP2040 brain. For eac...

HL-40350584

Solenoid Board R&D

I am an intern and I am working on a task that needs 4 solenoids that take 20v in very short pulse to operate. I started designing my own PCB board, but I just...

HL-40350409

Embedded System + PCB + Enclosure for Phone Locking Device

I need an experienced embedded systems engineer to finalize and validate a hardware prototype for a phone-locking safety device used in vehicles. The system inc...

HL-40349858

Diseño Electrónico GNSS-IMU ESP32

Quiero integrar en una sola placa un módulo GNSS RTK de alta precisión, una IMU con acelerómetro, giroscopio y magnetómetro, y un controlador de motor capaz de...

HL-40349703

Helmet Mounted RF Communication Module Design

We are in the process of making a Helmet mounted RF based communication module. Currently PCB design is in progress. we need a rugged product for which we are l...

HL-40349762

Motion-Activated Water-Saving Faucet Design

I want to retrofit the faucets in my sinks so that the water starts and stops automatically, cutting waste every time someone washes their hands. My idea is to...

HL-40349613

15-Coil Signal Prototype

I’m building a proof-of-concept that can drive about fifteen miniature coils with freely programmable electromagnetic bursts. The first milestone is to settle o...

HL-40349370

Mechanical Radio Prototype Development

I'm seeking an experienced engineer to design and build a mechanical prototype of a radio device. The device will incorporate moving parts and sensors/automatio...

HL-40348949

Motion Sensor Module Design

Hi, I’m working on a small hardware project and need help with a very specific, self-contained task. This is NOT a full product build. It’s a standalone compone...

HL-40348810

Nintendo Switch V2 Picofly Mod

I have a V2 Nintendo Switch tablet and I’m ready to take it beyond stock capabilities. Specifically, I need a hardware-level installation of a Picofly chip so t...

HL-40348466

Miniaturize ESP32 Wearable PCB

**Project Overview:** I have an existing working prototype PCB based on an ESP32-S3 system that drives LED lighting (WS2812) and uses battery power (LiPo with c...

HL-40348159

MIDI Interface Design

I need a MIDI interface designed with the following specifications: - Type: MIDI interface - Connectivity: DIN - Ports: 5 or more Ideal skills and experience: -...

HL-40348180

Custom PCB Design for LED Array

I need a PCB designed for a custom rectangular LED array using through-hole LEDs. The array will contain between 60 LED's. With 2 power inputs. On power being a...

HL-40348215

5kW Solar Grid-Tie Inverter

I’m developing a proof-of-concept grid-tie inverter that can comfortably sit in the 1 kW – 5 kW class and operate either indoors or outdoors. The unit must do m...

HL-40348002

Build $600 Commuter Electric Car

I want to prove that a practical, daily-use electric car can be put together for roughly $600 in parts. The goal is a lightweight commuter vehicle, not a racer...

HL-40347664

BOM for Solar Inverter, Firmware & Monitoring App

I need a complete set of development assets for a new hardware product and would like to bundle all tasks into one project. First, I want a clean Bill of Materi...

HL-40347597

Smartphone Hardware Part Replacement

My phone needs a straight-forward hardware fix. The fault has already been traced to a single component, so this job is strictly about taking the device apart,...

HL-40346062

BOM files with part number create for Solar inverter

I’m putting together a fully-documented Wi-Fi enabled system built around an STM32 microcontroller and I need every piece of collateral wrapped up in one hand-o...

HL-40345728

Solar Inverter BOM Generation, source code generation, remote monitoring app required, transformeres and inductores details required, wiring diagram required.

I need a clear, well-structured Bill of Materials in Excel for a single-phase grid-tie solar inverter platform covering 1 kW, 2 kW, and 3 kW variants. The file...

HL-40345656