Electronics projects — HireLancer archive

ID / Date Listing

Tactile Glove PCB Ordering Assistance

I already have step-by-step build notes for a tactile glove and the preliminary PCB design files. What I now need is practical help getting that board fabricate...

HL-40365053

Analog PCB Design for Audio Amplifiers

I'm seeking a skilled PCB designer to create an analog printed circuit board for a simple audio amplifier. Key Requirements: - Design and layout for an analog P...

HL-40364992

ESP32 Home Meter Integration with MATTER

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

HL-40364999

Button Score Counter Design

I am developing a wearable electronic device for sports such as padel or tennis that allows players to easily record points during a match. The system consists...

HL-40364805

FPGA & ESP32 Hardware Enhancement

I’m refining a set of custom boards that combine an FPGA-based signal generator with several ESP32 modules. The immediate gap is in analog and digital circuit d...

HL-40364722

Custom BeagleBone Light Pod PCB

I need a complete PCB solution for a BeagleBone-based light pod whose primary purpose is, quite simply, “Lightpod.” The concept is already proven on a breadboar...

HL-40364262

12V Embedded Controller PCB Design

I’m building a compact embedded platform that runs from a single 12 V supply and I need a purpose-built PCB to act as the system’s brain. The board has to host...

HL-40364283

Smart Student Wristband and Controller Design

**Project Title:** Industrial/Product Designer Needed for Smart Student Pickup Wristband System **Project Description:** We are looking for a talented **product...

HL-40364075

ESP32-C6 Solar IoT PCB Design

I need a production-ready circuit and compact PCB built around the ESP32-C6 for an IoT device that must run efficiently on both a small solar panel and a rechar...

HL-40364138

Inverter Bus Voltage Feedback Circuit Design for PWM SG3525 &LM358

I need a clear, ready-to-build circuit diagram that closes the voltage feedback loop on the DC bus of an off-grid inverter running in the 12 V – 24 V range. The...

HL-40364028

Smart Water Tank Level IoT Device Design

**Title:** IoT Hardware Engineer / PCB Designer Needed for Smart Water Tank Level Monitoring Device **Description:** We are looking for an experienced **IoT har...

HL-40363877

LM5170 EVM Buck Debug Help

My Texas Instruments LM5170EVM-BIDIR board refuses to deliver any output voltage when I switch it to buck mode. Boost mode also does not run, so I’m convinced t...

HL-40363705

ESP32 Toy Drone Design

I want to bring a small, ESP32-powered toy drone from concept to first lift-off. The goal is purely recreational: a fun flyer that can be controlled from a smar...

HL-40363391

KiCad ESP32 Two-Layer PCB Gerbers

I already have a complete circuit schematic for an ESP32-based board and now need it translated into production-ready, two-layer Gerber files. Please work exclu...

HL-40363125

Offline Raspberry Pi 4 Crypto Wallet

I want a bootable .img image for the Raspberry Pi 4 that turns the board into a fully offline, hardware-style wallet. After flashing the image to an SD card and...

HL-40363155

ExpressPCB+ to Fusion360 PCB Migration

I have a completed audiophile phono-preamp in ExpressPCB+ — schematic and two-layer board — that I now need recreated in Fusion 360 Electronics. The circuit hol...

HL-40363101

Solar Inverter Control Design

i am looking for an engineer in power electronic whos has some experience with F280039c or stm32g474 or esp32 to make a spwm for full h bridge inverter ( pedago...

HL-40362949

PADS Binary Schematic Conversion

I have a single PADS Logic schematic saved in its native binary format and I simply need it converted to the equivalent PADS ASCII file. Deliverable • The conve...

HL-40362087

200 kHz OOK RF Link Design - PRICE will very as per Deliverables can be from your side.

I need a matched transmitter-receiver pair built around a 200 kHz carrier that can cover at least 40 m in open air and recognise simple OOK (On-Off Keying) puls...

HL-40362010

Color-Changing Fan Light Show Design -- 2

I need a compact, self-contained light show for a fan that will be used purely for entertainment. The blades already have addressable LEDs installed; what’s mis...

HL-40361273

Industrial IoT PCB Design: Schematic Review, ESP32 Update, Engineering Optimization & Full EasyEDA Layout

I am looking for a skilled electronics/PCB design freelancer for an industrial IoT device. This is not just a simple PCB layout job. The work includes schematic...

HL-40361296

Modbus to USB Adapter Integration - 10/04/2026 01:10 EDT

I need an interface connector for carrying sensor readings from Ultrasonic datalogger by Modbus cable RS-485 with a male connector. The PCB interface is to be b...

HL-40361324

Fix Dell T640 Motherboard

My Dell PowerEdge T640 refuses to start. The system gives error lights and the power LED simply blinks. I have already: • double-checked all power connections •...

HL-40361180

High-Capacity Potato Size Sorter

I need a complete design—and, if you can, a prototype plan—for an automated potato sorter that separates crop primarily by size but can also flag colour blemish...

HL-40360945

Electrical, Fire Alarm, Low Voltage: Estimator Needed

I’m ready to price three mid-rise (up to 15 stories) projects and want an experienced electrical estimator who enjoys working side-by-side—sharing ideas, asking...

HL-40360631

ETAP Fault Current Simulation Help..

I need an engineer who knows ETAP inside-out to build and run a full fault-current model of my power system. The single-line diagram is ready; what’s missing is...

HL-40360646

Analyze PoE Injector Board

I have a working PoE injector board in hand and need a clear, engineer-level breakdown of how it does what it does. Your analysis should cover three areas: • Po...

HL-40359784

ETAP Fault Current Simulation Help.

I need an engineer who knows ETAP inside-out to build and run a full fault-current model of my power system. The single-line diagram is ready; what’s missing is...

HL-40360391

"Digital Fossil" – Ultra-Reliable 128GB Automotive-Grade Archival Storage

Project Overview: I am looking for an expert Embedded Systems Engineer to design and build a single, high-reliability storage device meant to last 50 years with...

HL-40360406

Subdivision Underground Electrical Design

I need a complete underground electrical service design for a new 25-lot residential subdivision. We already have a detailed civil layout, so you can work direc...

HL-40360407

Cadence spice Timing Interpretation

Need help for two questions cadence spice simulation budget 30$ plz check the attachment

HL-40360305

Quadruped Power PCB Design

I need a compact, reliable PCB that will serve as the power and control backbone for my quadruped robot. The board has to integrate three key blocks: a microcon...

HL-40360333

Solar Inverter Firmware STM32 TMS320

I am building a grid-tied solar inverter and need a seasoned embedded designer to deliver complete, production-ready firmware for both an STM32F103 and a TMS320...

HL-40359953

Specialty Coffee Vending Machine Design

Hello, We have completely redesigned the machine concept and working methodology. The new approach is aligned with a regular bean-to-cup coffee vending machine,...

HL-40359852

Codesys PLC Motion Control Programming

I need a Codesys-based PLC program that will drive an automated piece of machinery using electronic gearing in full closed-loop mode. The machine relies on incr...

HL-40359693

Pond Ionizer Circuit Board Development

I need a compact circuit board designed to function like a pond ionizer, primarily to control algae growth. Requirements: - Input: 24V AC or DC - Output: 12V DC...

HL-40359725

ETAP Fault Current Simulation Help

I need an engineer who knows ETAP inside-out to build and run a full fault-current model of my power system. The single-line diagram is ready; what’s missing is...

HL-40359736

Kinco MK070E-33DT HMI + PLC Programming for Tank Level Control with VSD

I am looking for an experienced industrial automation engineer to develop a complete HMI and PLC solution for a tank level control system using a Kinco MK070E-3...

HL-40359301

Medium-Size Consumer PCB Layout

The full schematic for this project is already complete; what I now need is a clean, manufacturing-ready board layout for a consumer-electronics product that wi...

HL-40359256

Canton Fair ENG-CH Translator

I need a fluent English-Chinese interpreter who can stand beside me throughout the Canton Fair in Guangzhou and help turn every supplier meeting into a clear, p...