Electronics projects — HireLancer archive

ID / Date Listing

24-30V & 15V PSU Design

I need a compact, medium-power supply that will accept a 24 V DC input and provide two regulated outputs: • 30 V DC for a three-phase BLDC motor • 15 V DC for t...

HL-39735684

Decipher USB Data from an Instrument

I need help deciphering data from an Instrument ,which has option to send compatible data for Epson TMU220B as well ESC/POS printers. The Instrument connected t...

HL-39734731

PIC10F202 LED PCB assembly code UX improvement

I have existing code in assembly (will share) that wakes from sleep with a quick button press recalling a saved LED state, changes colors of an LED with a 2s pr...

HL-39734593

C2000 SDR Detection System Build

I already have a Raspberry Pi, an RTL-SDR stick and the LED/buzzer hardware installed in my car; what’s missing is the know-how to turn that pile into a dependa...

HL-39734422

Pcb doesn’t work

We have a simple pcb which burns as sometimes. Check the simple schematic Tell me what’s wrong Update the KiCad files Make the pcb 1mm smaller On the last sampl...

HL-39734329

Modbus Setup for Electricity Meter

Looking for a Developer to Set Up Communication Between Electricity Meter (Modbus) and HTTP Server via Protoss PG41 Converter

HL-39733718

SEO Blogs on Electronic Components

We are looking for an experienced technical content writer who can create SEO-optimized blog articles focused on electronic components and technology topics. Ar...

HL-39733413

Debug Capacitive Touch PCB

I need help diagnosing a malfunction in a capacitive touch PCB with fewer than 10 components. The board exhibits unexpected behaviour when powered on. Key detai...

HL-39733213

Firmware Modification for Plumbing Camera

I'm seeking an experienced firmware engineer to modify the firmware on a P25Q40SH (SPI Flash 4 Mbit) chip used in a plumbing inspection camera monitor. The task...

HL-39732430

Proton Precession Magnetometer Circuit Design

Looking for an expert to design a circuit for my project, which is a Proton Precession Magnetometer. Order flow is as follows; -polarizing pulse which energizes...

HL-39732333

Wigig over fiber optic cable, wigig optical extender

Pcb design: Nyák tervezés: Szeretnék egy olyan extender-t, ami kiterjeszti a wigig hálózatot optikai kábelen keresztül. Tehát meghosszabbítja a wigig antennát o...

HL-39731719

EV Brake-by-Wire Simulation

I need a MATLAB Simulink simulation of a brake-by-wire system from an electric vehicle. This simulation should accurately replicate the functionality of an EV b...

HL-39730997

PCB and Firmware Verification

I need help verifying and correcting connections on a PCB involving ATMEGA328P, MFRC52201, and MCP2515. You'll also check and improve the Arduino firmware funct...

HL-39730698

PLC Motor Controller Development

I need an experienced automation engineer to design, select equipment, and code a standalone industrial machine controller. The setup must include: - Two VFD mo...

HL-39730514

Hydronic Heating System Schematic

I need a detailed electrical schematic for a hydronic heating and hot water system including a heat pump and a wetback fire. The schematic should be provided in...

HL-39730389

Raspberry Pi 5 + LoRa (SX1278) + USB Camera Integration

Preferred Location: India (freelancers with prior experience on Raspberry Pi 4/5) --- Project Overview We are looking for an experienced Embedded Systems / IoT...

HL-39730237

Motor Controller with Hall Sensor

I need a motor controller designed to control a DC motor using a hall effect sensor for position control. The project involves developing a system that accurate...

HL-39722386

Digital Fuel Flowmeter System

I’m upgrading my car with a fuel-flow measurement setup that does more than just show the litres per minute. The plan is to insert a fuel flowmeter in the line,...

HL-39730123

NXP S32K312 Bootloader Development

I need a developer to build or customize a bootloader for the NXP S32K312 microcontroller. The bootloader should support secure booting, firmware updates, and r...

HL-39729811

Indoor Push Button Switch Design

I need a push button switch designed for indoor use. The switch should be suitable for various applications, with a focus on versatility and reliability. Key Re...

HL-39729543

LEO 2.0 Micro Drone PCB Design

We are building LEO 2.0, a next-generation micro drone platform at Valyant Technologies. We require a custom 4-layer carrier PCB integrating an ESP32-S3, brushl...

HL-39729295

Door Lock Machine Integration for Card Encoding Overview

We have two different door lock machines (hardware devices) with their own SDKs and documentation. Each machine can encode data on RFID door cards, but they dif...

HL-39729074

TCAD Simulation of Photodetector

TCAD Simulation of Four-Quadrant Photodetector using Silvaco Athena + Atlas Description: I am looking for an experienced semiconductor device simulation enginee...

HL-39728576

Autonomous Scooter & Car(vehicles) Wiring & Circuits -- 2

The project involves creating a complete electrical architecture for an autonomous car, from high-level power distribution down to connector pin-outs. Schematic...

HL-39727717

Custom ESP32 KiCad PCB Design: Schematic Review & Layout for Interconnect and power management PCB

Project Overview: I require an experienced PCB designer to review my existing KiCad schematic and perform the complete PCB layout for a custom-shaped board. The...

HL-39727589

Power Transformer Design

I need a power transformer designed with the following specifications: - Type: Power transformer - Voltage Rating: Medium voltage (1kV - 35kV) - Power Rating: U...

HL-39727550

Basic PCB Design for Junction Box

I'm seeking a freelancer to design a basic PCB for a simple electrical junction box. The junction box will be used to connect analog components. Requirements: -...

HL-39727158

Smart Home Energy Management System - 23/08/2025 19:53 EDT

Project Description: This project aims to design and implement a smart electrical system that helps reduce household electricity consumption effectively. The sy...

HL-39726290

AI Engineer for Chatbot Development

I'm seeking an experienced AI Engineer / Prompt Engineer to develop advanced AI systems, primarily using GPT-4. Your expertise will be crucial in building custo...

HL-39726124

Cypress FX3 Firmware Development

I need an experienced embedded firmware developer to create firmware for our custom hardware using Cypress FX3 (CYUSB301x). Key Requirements: - Develop firmware...

HL-39726024

Project Title: Digital Prototype Development for Tactical Smart Glasses with Extended Functionality

Project Description: Hi, my name is Aldo, and I’m the founder of a strategic tech initiative. I’m looking for committed developers and designers to help build t...

HL-39726033

Low-Power 3-Phase BLDC Driver

I need a compact, reliable driver for a sub-1 kW 3-phase BLDC motor being built into a niche prototype outside the usual industrial, EV, or consumer categories....

HL-39725141

ESP32 TWS Earbuds Firmware Development -- 2

I need firmware development for an ESP32 module to connect with TWS earbuds and work as a Hands-Free Profile (HFP) device. Requirements: - Connect A7672S module...

HL-39725198

CNC G-code Programming for PCB

I need a skilled programmer to create G-code for CNC machining of PCB sheets.

HL-39724914

Arduino Shield for MAX4619 Power Glitching

I need an Arduino shield adapted from Raspberry pi to interface with a MAX4619CSET for power glitching. A schematic will be provided. Requirements: - Capable of...

HL-39724959

Compact Wireless Charger Design

I need a small circuit board designed for a compact wireless charger. The charger should be compatible with fitness trackers (rings) and must include overheat p...

HL-39724894

Offline Artillery Training Simulator

I'm seeking a developer to create a low-cost, offline Android app, "SimFire," designed for artillery personnel, particularly new recruits. The app aims to teach...

HL-39724456

Improve Basic Electronic Trigger Circuit

I have a basic electronic circuit design to trigger a LOW-HIGH-LOW signal from a PIR device. The trigger is not enough to to activate the required integrated ch...

HL-39724039

Desktop SMD Pick-and-Place Build

I’m setting up a small lab and need a compact desktop pick-and-place machine that can reliably handle micro SMD parts for prototyping runs and short production...

HL-39723505

ESP32-S3 Firmware Development for DC -- 3

We’re looking for an embedded‑firmware specialist to bring our DC fast‑charger controller to life. You will integrate a Chargebyte PLC Stamp Micro 2 (QCA7000‑ba...