Electronics projects — HireLancer archive

ID / Date Listing

HL-40082027

Custom Inverter Design & Prototype

I need a complete inverter designed and taken through to a tested prototype. The scope starts with concept selection—choosing the most efficient topology for my...

HL-40081951

Design and Development of a Variable 10 kV DC Power Supply Using SMPS Technique

This project involves the design and implementation of a high-voltage, variable 10 kV DC power supply based on Switch Mode Power Supply (SMPS) technology. The o...

HL-40081957

10 kV HV Supply Module Design

I’m building an air-purifier stage that needs a reliable 10 kV DC source and I want a complete, ready-to-build design package. The module has to integrate its o...

HL-40081968

Adjustable 10 kV HV Supply

I’m running a series of lab experiments that call for a dedicated high-voltage source, so I need a self-contained module that can deliver a clean, adjustable 5...

HL-40081529

T-Display S3 Footprint & Symbol

I’m putting the T-Display S3 AMOLED Plus module onto a new board and want clean, reusable library parts before layout begins. What I need are complete, error-fr...

HL-40081570

T-Display S3 Footprint & Symbol PCB design

I’m putting the T-Display S3 AMOLED Plus module onto a new board and want clean, reusable library parts before layout begins. What I need are complete, error-fr...

HL-40081487

Breath Analyzer PCB Design -- 2

I’m building a compact consumer-grade breath analyser and need a production-ready PCB that integrates the gas-sensing front end with Bluetooth connectivity and...

HL-40079747

Engineering Students Required As Brand Corodinators

HL-40080610

Debug USB2514B Hub PCB

My custom board built around the Microchip USB2514B-AEZC-TR powers up, yet Windows never shows it in Device Manager. Power rails look solid and with the oscillo...

HL-40080168

36V Motor Controller Verification

I’m ready to hand over the full schematic of my 36 V / 500 W brushed-motor controller so you can put it under the microscope. The design is built around three p...

HL-40079921

Custom Hydraulic Circuit Design & Specs

I’m setting up a hydraulic system whose main job is to control fluid flow with precision, so I need a complete circuit designed from scratch. The build must inc...

HL-40079935

Residential DB Design in WSCAD

I’m preparing a small residential installation and need a complete electrical distribution board drawn directly in WSCAD. I will supply a reference photo of the...

HL-40079711

Redesign Raspberry Pi CM4 NAS Carrier Board

The new design must prioritize reliability, easy debugging, and manual assembly, using through-hole components wherever possible. Requirements: regulated 12V DC...

HL-40079559

ST32 Off-Grid Inverter Firmware

I need production-ready firmware for an ST32-based household inverter that runs strictly in off-grid mode. The hardware stack already includes a lithium-ion pac...

HL-40079423

SSR 3-Phase Motor Control PCB

I need a production-ready board that can drive a three-phase motor forward and reverse through solid-state relays while safeguarding the system with reliable ov...

HL-40079021

TWS Earbuds Prototype Build

I already have the full schematic and Gerber files for a new pair of true-wireless stereo (TWS) earbuds. What I now need is a turnkey, ready-to-manufacture prot...

HL-40078831

KiCAD Library Cleanup & Update

I’m moving an already-finished GPSDO schematic into KiCAD and I’ve run into persistent library-linking errors. I am including a PDF of the schematic; the select...

HL-40078698

LED Flash Circuit for BL-600

I need a simple, reliable way to make my BL-600 shock detector flash a light exactly once each time its output toggles. The detector runs at 3 V, and the whole...

HL-40078603

Design Scalable R&D Workflow Architecture

Our deep-tech effort blends Monte Carlo physics simulations, custom detector hardware, data acquisition electronics, and reconstruction algorithms into a single...

HL-40078544

Custom dma firmware

I have a specific dma card and need a firmware for it .The firmware needs to be compatible with faceit Ideal Skills and Experience: 1.Verifiable experience maki...

HL-40078555

Multi-Channel Short-Range RF Circuit

I have working breadboard prototypes that use the common 315 MHz and 433 MHz ASK modules to trigger an identical downstream PCB. They prove the concept, but two...

HL-40078216

Click PLC Stepper Motion Program

I am working with a CLICK Plus PLC (AutomationDirect) and a bipolar stepper motor driven via a compatible stepper drive. I need a concise, well-structured PLC p...

HL-40078220

Adaptive Embedded Engine Control Algorithm - 19/12/2025 12:23 EST

I have an “ALGORITHM CODE DIAGRAM – July 22, 2025” that outlines how random power-pulse logic can keep a vehicle at a steady speed while the engine is maintaine...

HL-40078088

Home Assistant Energy Monitor Dashboard

Request for Proposal (RFP): Home Assistant Energy Monitoring Dashboard RFP Number: HA-MFM376-001 Date: October 26, 2023 Issuing Organization: Infinitumtech 1. P...

HL-40077788

Vivado Chirp Generator & FFT Integration fot Frequency detection

I need a complete RTL design in Vivado that produces an up-chirp based on a sinusoidal input and sweeps from 50 MHz up to 55 MHz. Once generated, this signal mu...

HL-40077362

Hydroponik-Sensorbox mit Home Assistant -- 2

Ich plane ein kompaktes Mess-System, das in einer einzigen Box vier pH-, vier EC- und vier Temperaturkanäle für meine Nährlösungen bündelt und jeden einzelnen...

HL-40076724

Testing and Quality Assurance

We’re looking for a Quality Assurance& Testing Engineer to help us ensure our products meet the highest standards. What You’ll Work On: • Black-box and white-bo...

HL-40076374

Power Supply – Smart Buck Converter Controller

Goal : Create firmware for a digital controller of a buck DC-DC converter using ADC Feedback. Constraints: Output voltage setpoint: 3.3–12V Must implement PID c...

HL-40074659

Manufacturing PLC Optimization & Upgrades ( Bangalore Only - On-Site Required)

I’m looking for a seasoned PLC engineer who can jump straight into a live production environment and refine roughly ten controllers already in service. The unit...

HL-40076159

PCB Design - IR LED Tracking Marker - Self contained

We are looking for an experienced electronics / PCB design engineer to design a self-contained IR LED tracking marker for a computer-vision system. The project...

HL-40075633

Custom Matrix Keypad Module

This project involves the development of a compact, sealed, and intelligent keypad module designed for industrial automation environments. The system integrates...

HL-40075308

PIC16F877A Programming Expert Needed

I need an experienced programmer to program a new PIC16F877A chip using C language. Requirements: - Expertise in PIC microcontrollers, specifically PIC16F877A -...

HL-40075052

ESP32-C3 RS232 Bridge PCB

I need an experienced electronics engineer to design a compact, production-ready "Man-in-the-Middle" carrier board for the ESP32-C3-MINI-1-N4 module. The Goal:...

HL-40074458

ESP32 Energy Meter Cloud Integration

I will ship you an ESP32 development board together with the energy-meter IC module already wired for voltage, current and overall power-consumption sensing. Yo...

HL-40074090

EasyEDA Schematic and PCB Modifications -- 2

Project Description: I have an existing EasyEDA project with files for both the schematic and PCB (EasyEDA files and PDFs). The scope of this project involves m...

HL-40073718

Diseño de PCB para Juego Multi-jugador -- 2

Somos KAMEFU, empresa peruana dedicada al mundo recreativo, con un fuerte sentido de innovación y enfoque en experiencias presenciales memorables. Estamos busca...

HL-40073186

Wrist-Wearable Device Design & Production

Objective Design a wrist‑worn wearable device with the following hardware specifications. The freelancer will deliver schematics, PCB layout, enclosure design,...

HL-40073198

Galaxy S22 Ultra CPU Reballing

My Galaxy S22 Ultra no longer powers on. I’ve already walked through the usual diagnostics—battery checks, cable swaps, button-combo resets—and even attempted m...

HL-40073093

Glass Cleaning Robot

My goal is to build a palm-sized, battery-powered robot that cleans glass. When it finishes a run, it should locate its dock, couple for charging, and stay park...

HL-40073015

Robot Battery Diagnostics in Dubai

I need a professional to perform diagnostics and potential repair on a commerical waterblaster battery pack in Dubai UAE. Ideal skills and experience: - Knowled...