Electronics projects — HireLancer archive

ID / Date Listing

Hardware Engineer for IoT Device Development

Freelance Hardware Engineer – Stealth Mode Consumer IoT Device Engagement: Freelance / Contract Location: Remote or Bengaluru (preferred) Duration: 1 month (wit...

HL-40025307

Arduino & Wemos IoT Assistance

I’m midway through an IoT build that combines a main Arduino board with several Wemos D1 Mini modules. The goal is to get reliable, secure two-way communication...

HL-40025001

Compact 4 IC PCB Layout

I’m putting together a prototype that centres on four straightforward ICs plus supporting passives, and I need a clean, production-ready board layout. The board...

HL-40024949

Asynchronous Sequential Network Solutions

I need two asynchronous sequential network design problems worked through in the same depth and order as the guided sample in my PDF. Problem 1 is #526 (picture...

HL-40024699

Portable Industrial PCB Design

I’m developing a compact, handheld industrial device and need a PCB engineered specifically for that environment. The board must house a central microcontroller...

HL-40024034

Revisión PCBA LED y BOM

Estoy ajustando el diseño de una pequeña tarjeta LED y requiero una revisión completa del archivo PCBA para eliminar las resistencias que hoy ya no son necesari...

HL-40024112

FPGA Developer + Creative Marketer for Maker-targeted FPGA

About Us: Fipsy FPGA - https://fipsyfpga.com is a new learning platform for advanced makers exploring the exciting world of FPGAs. We’re pioneering a new fronti...

HL-40023761

ESP32 Door Detection System

I’m working on a college project that detects when a boarding-house door opens or closes with an HC-SR04 ultrasonic sensor driven by an Arduino-compatible ESP32...

HL-40023631

Custom firmware for DMA Card (EAC, BE, Faceit and Vanguard anti cheats)

I am looking for an experienced freelancer to develop custom firmware for a specific DMA card model, PCILeech (CaptainDMA). The firmware needs to be compatible...

HL-40023451

ESP32 Triple-Camera PCB Design

I need a compact PCB that lets one ESP32 talk to three OV5640 cameras, one at a time, then push the captured frames out over Wi-Fi. The board must handle all ha...

HL-40023337

Robotic Arm Control Report Upgrade

I have already built and tested my senior design project, “AI-Enhanced Robotic Arm Control Using EMG Signals.” What I now need is a polished, technically rigoro...

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ADRC-PI-PID MATLAB Control Simulation

I need a complete MATLAB/Simulink model that compares an Active Disturbance Rejection Controller with classical PI and PID loops on the same plant. My focus is...

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Microcontroller Firmware Decoder - 29/11/2025 14:55 EST

I have a legacy board that runs on an NXP Semiconductors LPC922F microcontroller. The original firmware is no longer available in source form, so I need the cod...

HL-40022806

Arduino Power Outage Alarm

I need a complete design for a small, Arduino-Uno–based power-outage alarm that fits the following brief: – The system runs from a 12 V DC wall supply during no...

HL-40021938

Packing Machine Programming Specialist

I need a skilled programmer to set up a packing machine. The tasks include: - Connecting servo drive - Programming HMI - Integrating VFD The servo drive brand i...

HL-40021704

ability to work in diverse

In this project,I will install and comission solar meteorological stations by mounting sensors,routing cables, completing electrical wiring, and configuring mod...

HL-40021432

Accessible Large-Key Keyboard

I need a specialized large-key keyboard designed for laptop users with poor motor control. The keyboard must feature: - Large keys with clear labels for easy id...

HL-40021366

Urgent Audio Transformer Overcurrent Fix

Tôi đang vướng lỗi quá dòng trên bo mạch xử lý biến áp âm thanh và cần một kỹ sư có mặt tại Hà Nội để khắc phục ngay. Mạch hiện hoạt động không ổn định, đo dòng...

HL-40021338

Arduino Uno, Wemos D1 R2 (Noise Detection in Classroom)

Project Name: Noise Detection in Classroom Skills Required: IoT, Arduino Uno, Wemos D1 R2 I have developed the prototype but the coding is not working. Fix it w...

HL-40021248

KiCad Schematic and PCB Modification

I need assistance modifying an existing KiCad schematic and PCB layout. Schematic Modifications: - Changing component connections as needed. PCB Layout Changes:...

HL-40021122

Potato Chip Factory Setup Guidance

I am setting up a full-scale potato-chip facility and need an experienced food-processing specialist to steer the technical side, with a strong focus on recipe...

HL-40020884

Vinyl Weather Stripping Design

I need a low voltage, retractable weather stripping designed for commercial and residential garage doors. The material should be vinyl. Requirements: - Innovati...

HL-40020789

Dallas Low-Voltage Prototype Development

I’m looking for a Dallas-based electrical engineer or small firm to take my low-voltage consumer-electronics idea from concept to a fully working prototype that...

HL-40019726

Hands-On Zigbee Gateway Coaching

I already grasp Zigbee fundamentals, so we can move quickly past the basics and dive straight into practical work. My goal is to master three areas: • Understan...

HL-40019624

ESP32 Modbus & Blynk fejlesztés

Egy komplett firmwarere van szükségem egy ESP32 alapú vezérlőhöz, amely analóg nyomásérzékelőt kezel, Modbus-on keresztül, digitális kimeneteket bemeneteket, hő...

HL-40018614

PSpice Circuit Reliability Upgrade

I already have a working PSpice schematic and an accompanying bill of materials. What I need now is a focused redesign that raises overall reliability without c...

HL-40018281

SPI Code for RKE Si4010

I’m building a remote-keyless-entry module that uses the Si4010-C2 and I need a clean, well-documented SPI routine that lets my host microcontroller talk to the...

HL-40018312

Port SAME54 Firmware to SAME70

I need to move my entire firmware stack from a Microchip SAME54 board over to its bigger brother, the SAME70. Every source file, driver, middleware component, a...

HL-40018207

Humanoid Robot PCB & Processing System Design

Project Overview: PCB + Processing System Designer Needed for Humanoid Robot (LLM-Ready, Python/C++ Compatible) I am looking to hire an experienced PCB designer...

HL-40017616

Arduino Function Generator PCB Design

I need a compact, microcontroller-based function generator that can output clean sine, square, and triangle waves from 1 MHz up to 10 MHz. I am standardising on...

HL-40017437

Need PCB Fabrication & Assembly Consultant in India for UPS Project

I’m preparing a 50–200-piece pilot run of a 105 × 90 mm mixed-technology UPS control board and need an India-based hardware or EMS expert who already knows the...

HL-40017486

Industrial PCB Design

Project Overview: We're building an industrial-grade robot module and need a production-ready PCB designed from the ground up. The board will serve as the core...

HL-40016098

Ford Transit Van 2018 Overhaul and Upgrades

PROJECT INSTALLATION SPECIFICATION – LABOUR + BODYWORK FROM WORKSHOP Vehicle: Ford Transit Panel Van — 2018 Client Supplies: All electronics, sensors, cameras,...

HL-40015893

Pi & Octopus Motor Control

I already have a Raspberry Pi 3A+ wired to a BigTreeTech Octopus v1.1 and six Nema17 steppers. Hardware is in place; what I am missing is the software layer to...

HL-40015713

Industrial Control Systems Wiring Diagram

I need a detailed electrical wiring diagram for an industrial control system. The diagram will be used in an industrial setting, so it needs to be precise and p...

HL-40015451

Arduino Air Pressure Monitoring System

I'm looking for an Arduino-based air pressure monitoring system that activates a sound buzzer. I'm currently using a BMP180 sensor with acceptable results. Key...

HL-40013297

Raise Wall Outlet for TV

I need the existing power outlet on an internal plaster wall moved up to television-mount height. The sole reason for the relocation is to power a wall-mounted...

HL-40014896

High-Voltage Panel and relay Commissioning & Testing

I’m ready to bring a new high-voltage (35 kV+) power-distribution installation online and need an experienced commissioning engineer to make sure every circuit...

HL-40014704

esp32-s3 with 1/8 scan HUB75 RGB Display

Hello, i need someone who can make ESP32-HUB75-MatrixPanel-DMA Arduino library to work with my HUB75 1/8 scan display. Usually this library works good with 1/16...

HL-40014712

LED Clock Kit PCB Layout

I’m putting together a small, beginner-oriented electronics kit and need a clean, well-organized PCB layout to bring it to life. The board’s sole purpose is to...