Electronics projects — HireLancer archive

ID / Date Listing

ESP32 PCB Optimization & Revision

I already have a fully routed EasyEDA project built around an ESP32 running MicroPython. The first prototypes work, but the rest of the circuitry is over-engine...

HL-40299280

Hardware Design Performance Upgrade

I need an experienced computer engineer to review an existing hardware design and help me lift its overall performance. The current architecture works, but late...

HL-40299307

Wearable Personal RF Shield

I want a piece of wearable technology that creates a protective bubble just around my body, blocking or seriously attenuating incoming RF signals while also giv...

HL-40299085

Develop TDM Protocol for ADC-UART with stm32

I need a seasoned embedded engineer to design and implement a lean Time-Division Multiplexing protocol that funnels several high-speed ADC channels into a singl...

HL-40298697

Portable GBA/GBC Hardware Design

I’m building a custom handheld that plays original Game Boy Advance and Game Boy Color cartridges and I need the entire internal hardware engineered for it. I w...

HL-40298716

Motor Interlock Circuit Development

I need a motor interlock circuit designed in Codesys. The primary purpose of this circuit is as a safety mechanism, ensuring that two motors cannot operate simu...

HL-40298712

Bimbingan Elektronika & Perangkat Keras

Saya seorang inventor yang masih sering menemui jalan buntu ketika masuk ke ranah elektronika dan perangkat keras. Saya ingin meningkatkan keterampilan teknis s...

HL-40298605

Compact KiCad PCB Design

PCB Design Brief Timeline Media Dock Controller Board This project requires a KiCad PCB design for the first prototype of a open source Media Dock. The dock is...

HL-40298621

Gaseous System Control Engineer Needed

We are seeking an experienced industrial controls engineer or automation contractor to support the control system design for modular hydrogen production and fue...

HL-40298042

STM32 IoT PCB & Firmware

I’m building an IoT device around an STM32 microcontroller and need the complete hardware-plus-software package brought to life. The board must expose SPI, UART...

HL-40297927

AI Secretary Desk Device Development

This project is about building a physical “AI Secretary” system that combines a premium desk device with ultra‑simple wireless buttons people can stick anywhere...

HL-40297850

FPGA Programmer for Data Processing

I need an experienced FPGA programmer to assist with a data processing application. Key Requirements: - Proficiency in at least one of the following FPGAs: Xili...

HL-40297400

Hardware Engineer Needed – Smart Ring PCB/FPC Design (BLE Wearable)

We are developing a luxury smart ring wearable and are looking for an experienced hardware engineer to design a compact PCB/FPC for this device. This is a very...

HL-40297156

Arduino input output device and 2x LED's

1: Simple Arduino device detecting a switch from a device 2: 2 RBG light strips with 16 LEDS 3: 4 input outputs for on and off

HL-40297094

120 V DC Power Supply Design

I am putting together a 120 V DC source for a high-current, high-power three-phase AC motor installation and need a rock-solid schematic that I can hand straigh...

HL-40297097

Designe schema and PCB for RFID reader for monitoring bees with LXMSJZNCMF-210 RFID chip

I look for hardware developer. Electronics schema and pcb designer.

HL-40296842

Optimización PCB para EL Lights - XIAO ESP32/C3 microcontroler

Quiero que revises y mejores mi circuito basado en un Xiao ESP32-C3 que controla una tira EL de 1,65 m mediante un inversor 3,7 V DC → 100 V AC, un sensor tácti...

HL-40295340

Remote Solar Technical Support Specialist

You will be the first line of defense for technical troubleshooting—fault codes, inverter resets, monitoring portal anomalies, sudden production drops—as well a...

HL-40296588

Arduino Multi-Station Timer System

I’m building a small arcade-style attraction made up of six identical stations. Each station will recognise when its hand-held controller is lifted by means of...

HL-40296060

IR Hardware Device; access device firmware & select alternate settings.

I have a commercial IR-band Laser device with essentially two "Modes" - NORMAL and TRAINING, or restricted. Switching between the two can only be accomplished b...

HL-40296107

Layout tweak in KiCad for super simple (3 component) board

I have an existing, very simple KiCad project (1 simple smd component and 2 sets of pads for board mount sma connectors) that is already routed and I need the l...

HL-40295813

PyroSim simulator

I'm in immediate need of an expert with PyroSim software experience who can provide a detailed fire simulation. Unfortunately, some considerations were missed i...

HL-40295644

Convert traced sketch to precise PCB outline CAD drawing (DXF)

Project Title: Convert traced sketch to precise PCB outline CAD drawing (DXF) Description: I have attached a traced sketch of a PCB outline with component place...

HL-40295690

Design 9×17 Button Matrix PCB

I’m building a USB controller based on an RP2040 and need a robust PCB that carries a 9 × 17 diode-isolated switch matrix—153 momentary buttons in total. Your j...

HL-40295534

Ignition SCADA and PLC Integration

I need an expert to set up Ignition SCADA and integrate it with one Allen-Bradley CompactLogix PLCs for monitoring an existing process. In addition we need a pa...

HL-40295562

Arduino-Based Chemical Dosing PCB Design

Title: Industrial PCB Design for Arduino-based 4-Pump Chemical Dosing System Description: I am looking for a professional PCB designer to create a robust, indu...

HL-40295374

Mobile App

I am looking for an experienced mobile app designer/developer to help create the first prototype (MVP) of a mobile app Please let me know if you have experience...

HL-40295214

Connect VCR/DVD to HDMI TV

I need assistance connecting my Panasonic VCR/DVD combo to my HDMI-based TV. I already have an HDMI converter or adapter. Requirements: - Experience with A/V eq...

HL-40295065

DMX - Led Pixel Board - RDM

We need a board that "translate" signal from DMX to led strip pixel adressable. Need to integrate RGB and RGBW pixel in various protocol, with clock or only dat...

HL-40295025

Altium PCB Design for JLCPCB -- 2

I need a double-layer, signal-processing board laid out in Altium Designer and prepared for fabrication at JLCPCB. The finished board will fit inside a 15 cm ×...

HL-40294915

Robust H∞ Missile Autopilot Design

I need a complete H∞-based control solution that lets my missile autopilot remain stable and reliable across a wide envelope of flight conditions and model unce...

HL-40294621

Electrical and Instrumentation inspector in Athens, Greece

Looking for Electrical and Instrumentation inspector who available in locally in Athens, Greece Prefers inspectors who are locally available One Man day 13.03.2...

HL-40294626

Looking for an expert in Industrial automation (Only from PAKISTAN)

Looking for an Engineer with strong experience in industrial automation, control systems, and OT infrastructure. Freelancers should be proficient in following:...

HL-40294640

Optimization of Dual-Band Antenna Design Using Frequency Selective Surface (FSS)

I am looking for an experienced RF/antenna engineer to help optimise the performance of my dual-band antenna design integrated with a frequency selective surfac...

HL-40294673

Electric Product Pre-Shipment QC in Chengdu

Hello, **We only consider the QC from China only** I have a consignment of electric Product - Mosquito Diffuser that will be ready to leave the factory in Cheng...

HL-40294712

SAMD51 Firmware Modernization & Sensors

I have a stable FreeRTOS-based firmware that currently compiles only under my portable Arduino IDE 1.8.13 setup for the SAMD51 MCU. I now want the project to bu...

HL-40294572

Compact Handheld Device PCB Design

Hi, I'm looking for an experienced PCB designer to create a custom carrier/breakout PCB for a compact handheld device. No firmware or software needed — design o...

HL-40294589

Bluetooth Horse Boot Sensor Prototype

I have the core components—an ESP32, a NEO-6M GPS module, an accelerometer, a gyroscope, and a Li-Po pack—and now I need the working prototype that brings them...

HL-40294385

Denon Amp Thunder Noise Diagnosis

My Denon AVR drives a home theater system, and the moment the amplifier powers up the speakers erupt with a rolling, thunder-like rumble. The noise stops only w...

HL-40294032

Lexus Infotainment Firmware Modification

I need a skilled firmware developer to modify the Lexus headunit, specifically for the Mark Levinson audio system. Requirements: - Change Mark Levinson configur...