Electronics projects — HireLancer archive

ID / Date Listing

Custom ESP32 PCB Gerber (2026)

I’ve been developing on the ESP32-WROOM-32 and now need a custom board so I can move my prototype off the breadboard. The board should have ESP32, EM18, RTC, Ca...

HL-40140190

Troubleshoot LG Fridge Cooling Issue

My LG refrigerator has an odd split personality right now: the freezer section stays perfectly cold while the fridge compartment sits stubbornly at room tempera...

HL-40140289

Lightweight Robotic Pick and Place Arm

I need a compact robotic arm that can pick small MDF toy components from a feeder, position them accurately, and seat them for the next assembly step — all with...

HL-40139561

Raspberry Pi Science Fair Setup

I need assistance setting up a Raspberry Pi project for a school science fair. The project involves collecting environmental data using a Raspberry Pi. Key Requ...

HL-40138737

Secure 868 MHz RF Beacon PCB

I need a compact, low-power RF beacon designed around the 868 MHz band for location tracking of assets that move between indoor and outdoor areas. The board mus...

HL-40138911

FPGA-Based Product Development Expert

We are seeking an experienced electronics design company or individual contractor to support an FPGA-based product development project. Scope of Work Schematic...

HL-40138922

10Gbps BNC Ethernet PCIe Card

I need a custom PCI-e network interface card that combines a legacy thin-Ethernet BNC connector with modern 10 Gbps performance. The primary purpose is to let m...

HL-40138793

High-FPS Tiny Camera Development

I'm looking for an experienced engineer to design and develop a tiny camera for commercial production, exceeding 1000 units. Key Requirements: - High resolution...

HL-40138696

Wearable Vibration Firmware Development

I have a small wearable whose only job is to vibrate whenever the wearer presents an external magnet. A Hall-effect sensor (already on the PCB) detects the magn...

HL-40138582

Hardware & Firmware Feasibility Review

I have an existing hardware design that needs a clear-headed feasibility check before we move further. Your task is to study the current schematics alongside th...

HL-40137720

Square-Gate PS5 Controller Retrofit

I’m looking to modify a DualSense PS5 controller joystick into a true square-gate analog stick for PC play. The job combines both hardware and software changes...

HL-40137742

Single-Layer PCB Design for Home automation using esp32

I'm looking for an experienced PCB designer to create a single-layer PCB for a consumer electronics radio application. The PCB needs to be large, over 10 cm x 1...

HL-40137642

Custom pizza Vending Machine Technology Integration

I’m launching a new vending concept and need a specialist who can design, build, and integrate the complete technology stack that makes a modern machine tick. T...

HL-40137646

SIMCOM A7670C KiCAD Library

I need a clean, production-ready KiCAD library for the SIMCOM A7670C-LASS module that covers two things: 1. A schematic symbol that breaks out every communicati...

HL-40137658

Radio-Controlled Mower Door Circuit

I'm looking for an experienced electrical engineer to design a sensor-based circuit for a swinging mower door. The door will be part of a fence system and shoul...

HL-40137114

Electrical Engineer with experience in Power Electronics

I need an electrical engineer who is comfortable living inside MATLAB / Simulink and knows power-electronics control theory in practice. This project develops a...

HL-40136911

Read data from 2 Rom 512

I need to find a function in 2 Rom, this function make a countercode, for generate a password, I need to understand how it's generate

HL-40136207

ESP32-S3 Schematic Design

I need a detailed schematic design for an ESP32-S3 embedded system. The design should integrate various sensors and power management components. Requirements: -...

HL-40136088

PCIe Bifurcation Card Design

I need a PCIe 16x card designed to implement x8/x8 bifurcation using the Microchip Technology PCI12000-I/ZUX switch chip (if this is the correct chip for splitt...

HL-40136104

Compact HDMI/USB PCB Redesign

My current EasyEDA project already carries both an HDMI interface and a USB 3.0 port. The sole objective now is to push the layout into a noticeably smaller foo...

HL-40135826

RFID Protocols Tutorial Technical Review

I’ve made an intermediate-level video tutorial that walks readers through RFID fundamentals and how these tags integrate with access-control hardware. Before I...

HL-40135836

Mixed Signal Circuit Design Tool

I need a standalone application that lets me design mixed-signal circuits from start to finish. The workflow should flow naturally from schematic capture to boa...

HL-40135549

Honeywell BMS Installation Specialist

I'm seeking an experienced professional to install HVAC and lighting control systems within an existing Honeywell Building Management System (BMS). The necessar...

HL-40135486

Motion-Sensing Power Steering Controller

I need a motion-sensing power steering pump controller using a Hall sensor. This system should detect steering rotation and utilize an NE555 timer to generate a...

HL-40135497

Custom Mixed-Signal Circuit Design

I need an experienced electrical engineer to take a mixed-signal concept from idea to production-ready documentation. The project is firmly centred on circuit d...

HL-40135517

PLC & HMI UF/RO Automation -- 2

I need a complete PLC application—logic and HMI—that will fully automate both the Ultrafiltration (UF) and Reverse Osmosis (RO) sections of a water-treatment sk...

HL-40135366

Keyboard PCB RS-274X Design

I need a complete RS-274X (Gerber) package for a keyboard whose primary purpose is everyday typing. The PCB should follow a conventional matrix layout, ready to...

HL-40135357

ESP32 Endüstriyel Tasarım & Yazılım

ESP32 tabanlı, GSM hatlı bir endüstriyel cihaz geliştiriyorum ve projenin omurgasını oluşturacak gömülü yazılıma öncelik veriyorum. Cihaz; SimCom GSM modülü, RF...

HL-40135251

Wearable Tech Prototype Development

I'm seeking an experienced hardware developer to design a prototype for an innovative wearable technology. Key Requirements: - Expertise in wearable technology...

HL-40134908

Simulink VSC Control Simulation Specialist- Electrical Engineer with experience in Power Electronics

I need an electrical engineer who is comfortable living inside MATLAB / Simulink and knows power-electronics control theory in practice. This project develops a...

HL-40134783

Noise-Proof PNP-ESP32 Wiring

I need a rock-solid wiring solution that lets my 12 V PNP proximity sensor talk to an ESP32 inside a stamping factory filled with motors, EMI and loud press str...

HL-40134816

ESP32 Kids Companion Robot

Embedded Firmware Development for Kids Companion Robot (ESP32 / RP2040) Project Overview I am building a kids companion robot (ages 3–10) focused on expressive...

HL-40134622

PCB Duplication

I need a physical PCB duplicated. The new PCB can use different components but should be functionally similar to the original. Requirements: - Reverse-engineer...

HL-40134663

Real-Time 16-FSR Logger

I need someone that can make a cmd log that cycles pins of the mux and pico so you get all 16 points simultaneously (and handles the calibration prior to this p...

HL-40134573

IoT Firmware & Circuit Design

I’m bringing a new IoT device from idea to working prototype and need one partner who can handle both sides of the job: the electronic circuit design and the em...

HL-40134376

Electrical Systems Punch List

I need a detailed punch list for a construction project focusing on inspection and incomplete work. The primary area of concern is electrical systems. Key Requi...

HL-40134153

Convert PDF Schematic to OrCAD

I have a complete schematic saved only as a PDF and I need it redrawn in OrCAD Capture 17.2. The goal is a one-to-one reproduction of the schematic itself—no BO...

HL-40134087

Multi-Band ELRS Receiver Designs

I need three separate ExpressLRS receiver hardware designs for drone control, each centred on an ESP8266 and optimised for long-range links. The variants are: •...

HL-40133937

Reverse-Engineer Gerber Files to Schematic

I have a set of final Gerber files that were generated in EasyPC for an industrial-equipment board. Unfortunately, the original schematic has been lost, so I no...

HL-40133958

Camera USB Hub PCB Design

I’m building a small sensor-interface board that lets an OV9281 1 MP grayscale camera stream 120 fps video to a host while an RP2040 microcontroller shares the...