Electronics projects — HireLancer archive

ID / Date Listing

LoRa RGB LED Cue System

My lighting software can already stream a simple serial string for every cue it fires. I now need that string to travel wirelessly over LoRa to a tiny, battery-...

HL-40636653

ESP32-C5 Device Schematic Design

I already have the full bill of materials for a small ESP32-C5 project and will be routing the PCB myself; what I’m missing is a clean, professionally organised...

HL-40636440

Complex PCB Schematic Design for Industrial Radio

I'm seeking an experienced PCB designer to create a complex, multi-layer schematic for an industrial radio. The schematic will incorporate analog, digital, and...

HL-40636465

PCB Layout Touch-up

The board is already designed, sits comfortably in the 10–50 cm² range, and I have the full schematic plus the native CAD project ready to share. All I need now...

HL-40636200

LED Video Wall Technician Needed

JP Visual Ads – Kanchipuram is looking for an experienced LED Video Wall Technician on a PROJECT BASIS. This is NOT a full-time job. We will contact the technic...

HL-40636213

Power Distribution PCB & Firmware -- 2

I’m building a compact board whose sole mission is clean, reliable power distribution. I already have the system requirements mapped out at a high level; now I...

HL-40636077

Urban Radio Signal Triangulation

I need a freelancer to help locate the source of radio signal interference in an urban environment. Requirements: - Use triangulation techniques to pinpoint int...

HL-40635682

800 V / 400 A Pulsed Constant-Current PSU Design (Team)

Project Title 800 V / 400 A Pulsed Constant-Current Power Supply – Design Team Project Overview We are seeking an experienced power electronics team to design a...

HL-40635615

ESP8266 Bidirectional IR Control

I need robust, well-documented firmware that lets an ESP8266 on the Arduino platform both send and receive infrared commands for multiple air-conditioner remote...

HL-40635601

Material Enrichment Processing Setup

I’m upgrading a material-enrichment line that includes tag extraction, floc separation and a draft bill of materials. The immediate goal is to translate what I...

HL-40635432

Amazon India Product Research -- 2

I want a data-backed shortlist of electronics products that I can launch through Amazon FBA in the Indian marketplace. My priority is clear: the item must show...

HL-40635312

DDR4 Layout Design

need a DDR4 PCB layout designer. The job covers the full physical layout, tuned for high-speed signal using Mentor tool PADS PCB.

HL-40635283

Compact Atmega32U4 LED Controller

I need a full EasyEDA project—schematic and routed PCB—for a tiny Atmega32U4 board that lets a computer drive a single external LED through a 3-pin XH-JST conne...

HL-40634998

KiCAD Two-Layer PCB Layout

I already have a complete schematic and need it translated into a clean, manufacturable two-sided board in KiCAD. The design is a functional prototype, so compo...

HL-40634788

Schematic Verification and PCB Redesign

More information will be given to eligible freelancer.

HL-40634553

AI Cattle Collar Development

I need a working prototype of an AI-enabled collar that keeps real-time watch over a cow’s well-being and daily habits. The collar has to: • Track health by con...

HL-40634141

Industrial Battery Charger & BMS Design

Project : to design Battery charger and BMS(Battery management system) Existing Battery Configuration 2 × 12V, 100Ah Sealed Lead Acid (SLA/VRLA) batteries conne...

HL-40634022

Precision Vacuum Component Selection

I’m assembling a robot vacuum that must deliver high-precision cleaning on mixed surfaces, and I need an expert to specify every hardware component that makes t...

HL-40633666

800V 400A Pulsed PSU Design

I’m developing a laboratory‐scale system for scientific research that needs a robust, constant-current pulsed power supply. The unit will take a 380 V, 50 Hz th...

HL-40633751

Prototype 2D LiDAR Sensor Development

I am building a proof-of-concept 2D LiDAR unit from the ground up and need a mainland-based embedded electronics engineer who can handle every step of the desig...

HL-40633603

RV1126B AI Camera Carrier PCB Design – AR0234, Dual GMSL2, MIPI CSI-2, Ethernet and Isolated Trigger

We are developing an industrial AI camera system based on the Rockchip RV1126B processor and onsemi AR0234 global-shutter image sensors. We want to use a ready-...

HL-40633531

Custom Jewellery Display Tablet Development

Engineering Proposal – Slim Custom Jewellery Tablet (MVP) We are looking for an engineering partner to develop a slim, premium, purpose-built touchscreen tablet...

HL-40633578

ESP32 Web Light Switch Firmware

I’m putting together a Wi-Fi light switch around the ESP32 and I need complete firmware plus a small, self-hosted web interface so the unit can sit on my networ...

HL-40633487

Urgent PAA5100JE ESP32D Software Setup

I have an ESP32-D dev board and three unused PAA5100JE optical-flow sensors. I only need to bring one online first, confirm it streams clean motion data, then r...

HL-40633496

Digital Control System Design for Radio

I'm seeking an experienced circuit designer to create a digital control system for a Bi Color LED Matrix. The core component of this system will be a microcontr...

HL-40633358

SimulIDE Arduino Hybrid Power Design

I want to build a small-scale hybrid renewable power system—solar panels, wind turbines and tidal generators all working together—inside SimulIDE, driven solely...

HL-40632786

Print 900 mm PETG Component

I have attached the STEP file for a single circular part, 900 mm in diameter and 150 mm thick. I need three separate quotes to supply it by 3-D printing in PETG...

HL-40631846

Prototype: 100-Roti Automated Machine

I need a working prototype of a fully-automated roti-making machine that can turn out 100 soft, evenly cooked rotis in 30 minutes while keeping the total build...

HL-40631743

Independent Manufacturing Procurement Specialist

Location: Remote (APAC) | Type: Freelance, Project-Based | Travel: Required (fully covered) This flexible freelance role is ideal for an experienced sourcing pr...

HL-40631495

High-Efficiency AIKO Solar Upgrade -- 2

My small UK business is ready to move to an AIKO ABC solar array and I need a specialist who can take me from concept to switch-on. Above all, I value peak effi...

HL-40631223

Electro-Mechanical Product Engineering Support

I’m developing a hardware product that blends moving mechanical parts with custom electronics and need a versatile engineer to carry the concept from rough sket...

HL-40631081

London CEX RAM Purchase & Shipping

I need someone physically based in London who can drop into local CeX-“We Buy” branches, pick up the RAM memory modules I specify, and forward them to me in Fra...

HL-40630922

Solar Battery Storage System

I'm looking for an expert to design and implement a battery energy storage system specifically for solar power. The primary purpose of this system is to store r...

HL-40630771

Smart Home Thread-Enabled PCB Design

I need a compact, production-ready PCB for a smart-home product that will sit at the heart of a Thread-based system. The board’s sole critical job is reliable w...

HL-40630770

Comprehensive IoT Cloud-Based Solution Needed

IoT Cloud Solution Requirement We have developed a custom PCB-based IoT device consisting of an ESP32 microcontroller, an EC200 GSM (4G) module, an SCD30 sensor...

HL-40630658

Wire Wharfedale Diamond Speakers

I have a pair of Diamond-series Wharfedale speakers that I’d like professionally wired to my stereo receiver. The job is straightforward: supply or recommend th...

HL-40630392

Advanced Electronics Design Project

We are seeking a Senior Electrical Designer to support the design of advanced manufacturing facilities, including semiconductor manufacturing plants, data cente...

HL-40630435

Real-Time Embedded Firmware Development

LOOP every ~2 seconds, for each burner sensor independently: 1. Read current temperature from sensor 2. Add reading to a rolling 15-20 second window of recent r...

HL-40630104

Altium Designer for Laboratory Vortex Mixer PCB

I am looking for an experienced Hardware Design Engineer with strong expertise in Altium Designer to design a production-ready PCB for a laboratory vortex mixer...

HL-40630139

Triple-Rail DC Power PCB Design -- 2

I need a compact, production-ready PCB that accepts a single DC input and delivers three regulated rails—24 V @ 12 A, 12 V @ 12 A and 5 V @ 10 A—for an industri...