Circuit Design projects — HireLancer archive

ID / Date Listing

Industrial STM32 4-Layer PCB

PCB Design – STM32 I need an experienced PCB designer to create a 4-layer industrial PCB Requirements: * MCU: STM32 * 4G Module: SIM7600G (GPS + LTE) * Power: 1...

HL-40356897

need a BOM

Now I need a BOM with part number, gfci and transformer details. Microcontroller code firmware...

HL-40356585

Expert PCB Designer for ATEX/IECEx Compliance -- 2

We are looking for an experienced PCB Designer / Electronics Consultant with proven expertise in ATEX / IECEx standards to support the design and development of...

HL-40356185

Industrial Pneumatic System Designer Needed

Title: Pneumatic System Designer Required for Machine Manufacturing Company Description: We are OMM Enterprises, a growing company involved in machine manufactu...

HL-40355748

Philippine Restaurant Electrical Approval Drawings

I need a electrical designer who can prepare an approval-ready electrical plan for my 160 sqm restaurant in the Philippines. I already have an architectural lay...

HL-40355714

Restaurant Electrical Approval Design

I need a electrical designer who can prepare an approval-ready electrical plan for my 160 sqm restaurant in the Philippines. I already have an architectural lay...

HL-40355723

Diseño PCB 15x15 cm ESP32

Necesito un diseñador electrónico que me ayude a pasar de idea a archivo Gerber una placa de 15 × 15 cm lista para fabricar en JLCPCB. Componentes que debo inte...

HL-40355525

Proximity-Activated LED Lighting Install

I’m outfitting my scale model airplane with an LED lighting system that switches on automatically whenever someone (or another object) comes close to the aircra...

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-40348061

Custom PCIe x1 DMA Interposer Card Development

Hardware Description – DMA Interposer Card Overview The DMA Interposer Card is a custom PCIe x1 device designed to interface between a host computer and a downs...

HL-40353169

Custom PCIe x1 DMA Interposer Card Development -- 2

Hardware Description – DMA Interposer Card Overview The DMA Interposer Card is a custom PCIe x1 device designed to interface between a host computer and a downs...

HL-40352875

Home Theater Crossover Design ASAP

I need an experienced crossover designer to create a passive network for a pair of home-audio loudspeakers that will serve as the front channels of my home-thea...

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-40351619

Three-Section Residential Power Panel

I need a qualified electrician to design, assemble and install a residential distribution panel that is split into three completely independent single-phase sec...

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-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-40350362

Create an electrical and low-voltage wiring plan

Hi I will share the details with the shortlisted candidates. Thanks

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-40350034

XSim Electrical Setup Support

I’m preparing an electrical simulation in XSim and could use an experienced hand to get everything running smoothly. The immediate goal is to build and validate...

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-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-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-40344853

High-Power AC/AC Converter PCB

I have a proven schematic for an AC/AC converter that delivers well above 500 W at frequencies higher than 500 Hz, and now I need a production-ready PCB layout....

HL-40344367

KiCad DRL Circuit Analysis, fix and simulation

I am looking for an experienced electronics engineer to review, validate, and improve a Driven Right Leg (DRL) circuit designed in KiCad. The circuit is part of...

HL-40341593

Residential & Commercial Electrical Specialist

I have both residential and commercial properties that need professional electrical attention. The scope ranges from routine troubleshooting through to full ins...

HL-40343632

Low-Power 8-Bit Multiplier Design using PTL

This project focuses on the design and implementation of a low-power, high-speed, and area-efficient 8-bit signed multiplier using Pass Transistor Logic (PTL) f...

HL-40343457

Mixed-Signal PCB & Prototype Build

I have an optical‐sensing board that is already architected at block level and now needs to move fast into hardware. The immediate work spans three linked stage...

HL-40342698

Interactive Electronics Schematic Design. THIS IS NOT PCB DESIGN PROJECT

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

HL-40342508

Residential Electrical Project Assistance

I have a residential property that needs professional electrical attention and I’d like to partner with a qualified expert who can take the project from plannin...

HL-40342214

LoRa RF Switch Schematic Review and PCB layout

I have a dual-band RF switch already drafted in Altium that lets one shared antenna handle both 433 MHz (primary) and 470 MHz LoRaWAN links. Before moving on to...

HL-40341880

AutoCAD Electrical Schematics Tutoring Needed

I work comfortably at an intermediate level in AutoCAD Electrical, yet I keep running into roadblocks whenever my projects demand clean, reusable wiring diagram...

HL-40341280

Design Circuit Schematic & PCB (95×95 mm) for ESP Development Board + 12V Relay + GSM Module + Power Supply

I need an electronics engineer to design a complete circuit schematic and PCB layout within a 95 mm × 95 mm board size. The PCB will integrate an ESP developmen...

HL-40340557

ESP32-P4 PCB Design

I have a completed KiCad schematic and need an experienced PCB layout engineer to create a manufacturing-ready PCB layout. I will provide the KiCad project file...

HL-40340364

Double-Layer PCB Gerber Generation

I need to take an existing schematic for an industrial-grade board and turn it into fabrication-ready files. The design mixes SMD and through-hole parts, and it...

HL-40340302

DIY Solar Installation Coach Needed

I'm planning to install a grid-tied solar system at home and need an experienced engineer to create a permit design and coach me through practical details. Syst...