Electronics projects — HireLancer archive

ID / Date Listing

PCB Layout & Component Updates

I have an existing PCB design that needs a refresh. The core of the job is two-fold: first, add several new components to the board; second, reshape the layout...

HL-40155883

Mixed SMD Sensor Module Design

I have already chosen the core components for a compact mixed-signal board that will consolidate several sensors—a barometric pressure sensor, a nine-axis IMU,...

HL-40155908

Mecanismo LED Giratorio POV

Quiero materializar un display POV (persistence-of-vision) con un anillo de LEDs que, al girar, proyecte gráficos nítidos y coloridos. Ya tengo claros los conce...

HL-40155598

ATmega2560 Industrial Electronic Board Design

Request for quotation for the complete hardware design of an electronic board based on ATmega2560, intended for industrial PCB production (PCBWay or similar man...

HL-40155529

Gyro System microchip Reverse Engineering

I need a skilled engineer to reverse engineer a microchip controlling a gyro system. The goal is to create a complete copy of the system and eventually add new...

HL-40155320

Arduino AGV Obstacle Avoidance Code

I have a small AGV platform running on an Arduino Uno, two DC motors driven by an L298N bridge, and a pair of HC-SR04 ultrasonic sensors mounted up front. I alr...

HL-40155108

Allwinner Expert: 4-Channel AHD Camera Integration (A225/A307) to MIPI/LVDS/CVBS

Project Description: I am seeking an experienced Embedded Systems Engineer to develop a video processing solution based on Allwinner SoC (e.g., T507, A40i, or s...

HL-40155020

Altium/TRM Power Board Thermal Audit

I have two high-current power boards already laid out in Altium Designer. Before I move them to fabrication I need an experienced engineer who can open the exis...

HL-40154936

Custom ESP32-C6 + TI IWR6843AOP mmWave PCB

Project Title ESP32-C6 + TI IWR6843AOP mmWave Radar Custom PCB Design ⸻ Project Description We are looking for an experienced hardware / PCB design engineer to...

HL-40154771

ADU Electrical Design & Documentation

I need a full, permit-ready electrical plan set for a new accessory dwelling unit. I’m starting from scratch—no prior schematics or panel schedules exist—so the...

HL-40154615

PLC Programming for Ozone Pump System

I have a water-treatment skid that recirculates water through a bank of pumps and an ozone generator, then sends the finished stream to storage tanks. The attac...

HL-40153635

Consumer Electronics PCB Power Design

I have a compact consumer-electronics product that runs directly from the AC mains and now needs a dedicated PCB, or modifications to an early prototype, with r...

HL-40153645

3rd Brake Light Blinker Device

I'm looking for a device that can be attached to the 3rd brake light of passenger vehicles to create a fast blinking effect when the brakes are pressed. The con...

HL-40153542

Pay Station Setup and Wiring

I need assistance swapping over parts and hooking up a car wash pay station. Most components just need to be spliced and reconnected. Ideal skills and experienc...

HL-40153416

Electrical Engineering Specialist Needed..

My project requires formal electrical engineering input. I already have the concept and outline specs; what I need now is a professional review, accurate calcul...

HL-40153027

Home Audio System Repair

I'm seeking a skilled technician to diagnose and repair issues with my built-in home audio system. The system has recently started producing feedback/static, an...

HL-40153115

Minimalistic Network Diagram Design

I need a clean, presentation-ready diagram that shows our network architecture in a way that looks great on a slide deck. The look should stay firmly in the min...

HL-40152961

IoT Problem Ideas for SMBs

I’m putting together a catalogue of simple yet meaningful IoT and embedded-systems project ideas that will resonate with two groups I work with every day—small...

HL-40152824

Prototype Through-Hole PCB Layout

I have a straightforward board I’d like laid out for prototyping. Everything will be through-hole, and the finished footprint needs to stay within roughly 5 × 5...

HL-40152659

Senior Quality Assurance & Hardware Testing Engineer (Railway Signaling | SIL-4)

Job Type: Freelance / Contract (On-site / Long-term) Location: Delhi (Offline work required) Experience Level: Senior (Safety-Critical / Railway Domain) We are...

HL-40152681

PCB Prototype Build & Test

I already have the full schematic, PCB layout files and a complete BOM for an airflow-control heater that relies on dual heater coils for both sensing and heati...

HL-40152287

Tiny Relay Adapter PCB Design

I need a straightforward PCB laid out that lets me drop-in one electromechanical relay where my existing board is laid out for another. The task is purely mecha...

HL-40152025

Inverter Software Control Redesign

I need a software control redesign for a generic inverter used in a 3kW electric motor on an Indian scooter. The primary goal is to improve the flux weakening p...

HL-40151573

ESP32-S3 7" LCD PCB Recreation

Já disponho do esquema elétrico, de uma BOM preliminar e das instruções de fabricação do módulo Waveshare ESP32-S3 Touch LCD 7". Meu objetivo é simplesmente rep...

HL-40151486

Custom Metal Case for LilyGO T-Display S3 Pro

I'm looking for a skilled designer to create a custom metal case for my LilyGO T-Display S3 Pro with camera. Requirements: - Protect the hardware - Allow for ca...

HL-40151280

Modify Embedded UBI Firmware

This project involves working on a custom-built device that runs a Linux-based but completely closed (custom) firmware. The device currently has no root access,...

HL-40151220

Find Suitable USB-C Plug

I'm looking for someone with either experience or has time to find a suitable USB-C connector Requirements: 1) Part is not a receptable but a plug 2) Part shoul...

HL-40151254

Locate Plastic PCB Enclosure with USB-C breakout

I am designing a "rectangular PCB" for a new electronic product and I now need a readily available plastic enclosure that fits it well and looks professional. C...

HL-40151053

Python HMI-CNC Interface Programming

I have a Duet3D 6XD controller running my custom CNC setup and a Python-based HMI that still needs its full interface layer. The job is to close that gap and th...

HL-40150797

Expert Consultation for Firmware with ESP32 ESP-IDF for MAX86140 or ADS1293 or A2DP/I2S

My ESP32 ESP-IDF firmware is complete, but there are still some bugs. I need someone to review the code and find out what needs to be fixed. There are 3 tasks a...

HL-40150610

I am PCB designer can you give a pcb design job -- 2

I need an experienced electrician who can diagnose and repair several issues throughout my property—both inside and outside. The scope includes flickering or no...

HL-40150143

LPC1768 Firmware Development Expert

My application relies on the NXP LPC1768 and I need a senior-level developer to take full responsibility for the firmware layer. The core objective is straight-...

HL-40150227

AM32 8S 4-in-1 ESC Design

I need a compact 4-in-1 ESC that can reliably push 60 A per phase on up to 8 S Li-Po packs while running the open-source AM32 firmware. The brain must be an STM...

HL-40149359

ESP32 Temperature Monitoring Module

The goal is to design a high-voltage, industrial-grade PCB board connecting to 8 external temperature/humidity 1. Core Components & Specifications: ESP32-C3-MIN...

HL-40148785

PLC Panel Drawing Blueprint

I need a complete electrical drawing package for a PLC-based control panel whose sole function will be automating machinery on our production floor. The layout...

HL-40148527

Compumotor 6K Dual-Axis Setup

I am at the very first configuration stage of a dual-axis motion system built around a Parker Compumotor 6K controller paired with GV6 servo drives. My developm...

HL-40147872

PCB Upgrade Balance Board

We have a small PCB app. 4X6 inch and want to replace an obsolete chip, we will provide Altium file and all instruction to update the PCB. Old PCB is attached,

HL-40148229

Decode UART & Recreate Commands

An obsolete microcontroller in my current hardware sends a stream of control commands over an undocumented UART link. I need those commands captured, fully deco...

HL-40147953

40 GHz Impedance Matching Circuit Design

I need an L-network impedance matching circuit designed for discrete frequencies: 18 GHz, 22 GHz, 26.5 GHz, 30 GHz, 33.2 GHz, and 40 GHz. The circuit should han...

HL-40148137

Industrial Machinery Electrical System Troubleshooting

I need an expert to troubleshoot an industrial machinery electrical system. The issue is that the servo motors are not activating. The following diagnostic test...