Circuit Design projects — HireLancer archive

ID / Date Listing

Integrated Sensor Aggregation Module

This project is basically a multi-sensor integrated breakers board driven/commaded with a MCU chip which helps in enhancing the efficiency in avionics systems i...

HL-40254721

PCB Design & Firmware Developer

I need an engineer who can take my concept all the way from first schematic to tested firmware-ready hardware. The scope covers PCB layout, circuit design and s...

HL-40254740

PAKISTANI Electrical Engineers to work on Final Year Projects

I need a fellow Pakistani electrical engineer who can partner with me on my final-year project, which blends power systems, embedded systems, electronics, instr...

HL-40253289

Bluetooth Module Selection for High-Quality Speaker

I'm seeking an expert to assist in component selection and electronic design for a Bluetooth speaker project. it is not. the. cabinet or carcass I need designin...

HL-40252923

6-Channel PIC RS485 PCB (HW only)

I’m putting together a compact board and need a design that JLCPCB can fabricate without revisions. The core is a PIC microcontroller sampling six analog inputs...

HL-40252797

Senior Electronic Engineer Needed

Project-Based | Immediate Start Preferred We are seeking an experienced Senior Electronic Engineer (Freelance/Contract) to join a fast-paced and innovation-driv...

HL-40251912

Immediate PCB Power Board Design

I need a compact, two-layer PCB engineered for a consumer-electronics prototype whose sole purpose is reliable power management. The board will distribute input...

HL-40251860

Ejercicios EasyEDA Electrónica Industrial

Necesito apoyo para entregar dos ejercicios del módulo de Mantenimiento de Equipos de Electrónica Industrial (CGFS). Cada ejercicio debe diseñarse en EasyEDA y...

HL-40251401

Build 16x16x16 Interactive RGB Cube

I’d like to commission the complete fabrication of a 16 × 16 × 16 RGB LED cube. The job covers everything from refining or creating the electronic design right...

HL-40251030

Robotics Prototype Development

I am seeking assistance with prototyping a robotics system using Arduino, specifically with Nema 17 stepper motors. Key requirements: - Expertise in Arduino. -...

HL-40249571

Custom 3S Li-Po PDB Design

I need a carefully-engineered power distribution board that can sit at the heart of a 3-cell Li-Po system, handle bursts up to 80 A (around 35 A continuous), an...

HL-40250020

We need Electronics/ Elect Engineers for regular projects

Hello; I’m putting together a small, reliable pool of electronic / electrical engineers I can call on for recurring client work. Typical deliverables could incl...

HL-40249852

DC-AC Pure Sine Wave Inverter Design

I need a DC-AC Pure Sine Wave Inverter design for helping me move from concept to production on a truly rugged DC-AC inverter for industrial machinery. The unit...

HL-40249560

Installation Électrique Résidentielle Complète

Je dois faire installer l’ensemble du système électrique d’un logement neuf et souhaite confier ce chantier à un électricien expérimenté. Le travail porte exclu...

HL-40249155

Hardware Engineer: 8-Ch Car Audio Unit with LiFePO4 Power Buffer (Architecture & Sourcing)

I am looking for a Hardware/Electronics Engineer to design the internal architecture for an integrated car audio enhancement unit. I will handle the DSP softwar...

HL-40248495

Diseño de Circuito ANC para Cascos Peltor ( Active Noise Cancelling)

Trabajo en un entorno con niveles de ruido tan altos que, aun usando los protectores auditivos 3M Peltor de diferentes db, no me protegen del todo. Busco un/a i...

HL-40248036

Developing PCB for Ultrasonic Transducer Driver

I'm looking for an experienced pcb developer to create a professional-grade pcb of driver for ultrasonic transducer. Driver should give output 120w 40khz. Key R...

HL-40247727

STM32F1 Firmware & PCB Co-Design

I have an STM32F103RB concept in mind and need an engineer who can sit virtually beside me while we bring it to life. We will be working in C inside STM32CubeID...

HL-40247143

Digital Circuit Design Project

I need a qualified engineer to take my concept and turn it into a working digital circuit. The work revolves exclusively around circuit design—no embedded firmw...

HL-40246627

PCB Replacement for Feature Upgrade

I need assistance in replacing a PCB in a radio product to add additional features. The scope includes: - Removing the old PCB - Installing a new PCB with added...

HL-40246061

Remote Power/Reset PCB with ESP32

Am seeking a professional PCB designer to create a custom hardware interface for the Arc Foundry remote management system. This board will bridge a home server'...

HL-40245345

12V Power Supply Board for Sensors

I need a 12V USB charger board designed primarily for powering sensors and modules. The board should provide a standard 5V output . Requirements: - 12V input js...

HL-40244998

Premium Smart RO PCB Design

I’m finalising the electronics for a high-end Smart RO water purifier and need a seasoned PCB designer to turn my requirements into production-ready hardware. T...

HL-40244434

PCB Layout Redesign Needed

I have an existing circuit that works electrically, but the board’s physical layout needs improvement. The job is a pure design modification aimed at a full lay...

HL-40244062

Industrial KWH Meter PCB Design

I need a complete PCB layout for an industrial-grade kWh measuring device. The board must be ready for manufacture, so I’ll be expecting clean Gerber files alon...

HL-40242864

High-Speed PCB, power boards& RF Design Mentoring

I’m looking for an experienced board designer who can guide me step-by-step through real projects. My immediate priority is high-speed digital design: everythin...

HL-40242870

STM32 PCB Layout Review & Fix

My compact STM32 board (15–20 parts, a mix of SMD and through-hole) is almost there, but the power rail and trace layout still feel sloppy. The project is in Ki...

HL-40242758

Ingénieur électronique embarqué / routage PCB

Je recherche un ingénieur électronique disposant d’une solide expertise en conception de schémas et en routage de PCB, en particulier sur Eagle. Il s’agit d’un...

HL-40242525

Fusion PCB Layout University Compliance

I already have a finalized schematic in Autodesk Fusion Electronics; what I now need is the physical PCB layout completed—nothing more, nothing less. Any electr...

HL-40242296

Complex High-Speed PCB Layout

The full schematic for my MYC-LD25X “Hat” board is locked down; what remains is a rigorous placement and routing job in Altium Designer. The design is feature-d...

HL-40240660

Double-Layer Altium PCB Design

I have a schematic ready for H bridge with 4 x TO247 MOSFET and SMD gate driver with size of about 60mm x 120mm and clear instructions will be given and now nee...

HL-40241006

Industrial Portable CO Detector Design

I’m building a compact, handheld carbon-monoxide detector for use inside busy industrial plants and I need someone who can take the idea all the way from concep...

HL-40240739

Industrial ESP32-S3 IoT Pulse Controller – PCB Design (V1 Pilot)

Project Overview We are developing a production-oriented V1 Industrial ESP32-S3 based IoT Pulse Controller for self-service car wash and vacuum stations. The de...

HL-40240558

KiCad designed Power-Switching PCB Design

I need two separate low-voltage (1–30 V) boards laid out in KiCad that handle power-switching duties through relays. Their sole purpose is reliable power manage...

HL-40240435

Expert PCB Designer Needed (Siemens Xpedition, Cadence Allegro)

JOB SUMMARY: Design printed circuit boards (PCB) to meet our customer’s quality and delivery requirements. Responsibilities: Design printed circuit boards that...

HL-40240358

PDF Electrical Plan to EPLAN

Title: Recreate 38-page Electrical Schematics (PDF) in EPLAN Electric P8 – One-to-One Transfer Description: I have a 38-page PDF containing the complete electri...

HL-40239165

Residential Garage Electrical Upgrade

I need an experienced electrician to upgrade the electrical system in my garage. Key requirements: - Installation of an additional sub-panel - Integration of a...

HL-40238979

LED Resistor Circle Circuit Design

I need an educational/demo circuit design featuring a 0.625" (15.875mm) circle. Requirements: - 4 sets of SMD resistors connected to a blue LED. - All sets powe...

HL-40238596

Commercial HVAC System Repair

Our building’s rooftop commercial HVAC unit refuses to power up. A safety is opened on the BAS controls side causing the air handler not to run. I need a contro...

HL-40238418

ESP32 Low-Power Audio Device — Custom PC

Description We're developing a battery-powered consumer audio device that plays pre-loaded audio recordings on a daily schedule (three fixed times per day). Aud...