Electronics projects — HireLancer archive

ID / Date Listing

Firmware Development Sensor to RS485 Modbus Ti - Platform

Developing Firmware for Ti based µController (Texas Instruments CC2642R) for MW technologies sensors. Main features: Firmware for operating HDC3020 and BMP390 S...

HL-39905558

H-Bridge Inverter Design Support

Looking for someone that knows a lot about H bridge for inverter on a design am working with to increase rating of this design to 10kva. Must understand mosfets...

HL-39905448

CH32V003 WS2812 Driver

I need a compact, rock-solid routine that lets a CH32V003F4P6 drive WS2812 (NeoPixel) strips from pin PC1, with all timing fully within spec. The sketch must bu...

HL-39904639

PIC Firmware Debug & Enhancement

I have a working but imperfect product built around a PIC microcontroller. A handful of software-level bugs are still lurking, and the communication interface o...

HL-39904417

Water Plant Mechanical, Electrical and P&IDs Design and Drawings

I need a complete mechanical and electrical design (distribution: from transformer to MCC, DB, Instrumentation) drawing set for a compact water-treatment plant,...

HL-39904047

STM32H7 Firmware Memory Fix

I have a very simple STM32H7 firmware that write and read to large array in RAM. I am running into what looks like memory management issues, even if I am way un...

HL-39903528

IR Laser Triggered Circuit

I need a breadboard setup that can receive an IR laser and trigger an electronic match inside a smoke pyro. Requirements: - IR laser receiver - Circuit to activ...

HL-39903370

Arduino Dual Actuator Control

I have two 12 V linear actuators that need to be driven from a single Arduino. • Actuator 1 must travel forward and backward around a fixed center point; when i...

HL-39903027

Urządzenie zdalnie sterowane

Zaprojektowanie urządzenia - mechanizmu opartego o dwa serwa (zasilanie, płytki, przełączniki, włączniki, cokolwiek jest potrzebne), które sterują dwoma metalow...

HL-39903006

G-Code for Heart Keychains -- 2

I want a clean, ready-to-run G-code program that lets me cut two-inch-wide hearts, each with a round key-ring hole on the top-left, from 0.71 mm celluloid sheet...

HL-39902732

Bluetooth Servo Control System

I need a compact Bluetooth-enabled regulator that can reliably drive standard hobby servo motors. The core task is to design and program a small board (Arduino,...

HL-39902481

IMU/GPS Trajectory Estimation Algorithm (Python, Small Embedded Demo)

I am looking for a freelancer to design the data-processing and trajectory estimation solution for a compact embedded IMU/GPS logger project. What I Need: Devel...

HL-39902370

Bluetooth App for Arduino Car

I have a small toy car that already runs on an Arduino-based motor driver. What I now need is a companion mobile app, connected via Bluetooth, that can do two t...

HL-39901916

ESP32-P4 Camera Driver Development

I’m working with the Waveshare ESP32-P4 Module Dev Kit and its matching 10.1" DSI display (https://www.waveshare.com/esp32-p4-module-dev-kit.htm?sku=30844). My...

HL-39901453

Interleaved Buck Converter Design & Simulation

This project requires the design and simulation of a 2-leg interleaved buck converter, followed by the creation of its corresponding PCB layout. The primary goa...

HL-39901135

Port LittleFS to RTL8720DN

I need a clean, working port of the LittleFS file-system library that runs on the Realtek RTL8720DN when programmed through the Arduino IDE. The end result shou...

HL-39900757

Raspberry Pi AirPrint Server Setup

I have a Raspberry Pi 3 and a Mitsubishi CP-D70DW photo printer on hand and want them working together as a true AirPrint server. Everything is already wired an...

HL-39900462

Electronic Technician for Power Supply Repair

I need an experienced electronic technician to repair a power supply issue on a Miller Weldmaster 112 Cross Seamer machine. Ideal Skills and Experience: - Exper...

HL-39900370

Cost-Optimized Integrated PCB Redesign

I already have the circuit working on a hand-wired board that combines an Arduino Nano, ULN2003-driven 28BYJ-48 stepper, RTC, I²C OLED, and two rotary encoders...

HL-39899959

Gerber Generation From DXF Files

I already have complete schematics and detailed DXF drawings for two very small boards and now need clean, fabrication-ready Gerber packages. Board #1 – DS1820...

HL-39899934

Arduino Machine Control System

I need someone to turn a bare-bones Arduino setup into a reliable machine-control solution. The exact board is still open—Uno, Mega, or even a Nano could work—s...

HL-39899742

CODESYS Simulation for Engineer Training Modules

We have already completed the Factory I/O simulation part of our thesis project titled “Development of Training Modules for Fresh Engineers Using Industrial Sim...

HL-39899760

AI-Driven Farming

I’m looking to bring artificial intelligence into my planting and seeding workflow so I can streamline how and when seeds go into the ground. The overall aim is...

HL-39899500

JLMH SmartHome Steuerung

Ich möchte aus meinem Konzept „SmartHome TMH2“ eine vollständig serientaugliche Steuerungslösung ableiten ‑ vom ersten Schaltplan bis zur lauffähigen Software....

HL-39899549

Industrial Machine Gas Fitting Setup

I’ve got a new gas-powered roasting machine and need the gas system checked and brought up to NZ requirements so I can run it in my business. What I’m after: Sa...

HL-39899454

Mutli Residential Exemption Application - in Perth, WA Australia

I’m looking for an Electrical Engineer who is currently listed on the National Engineering Register to sign off on this exemption application and provide the re...

HL-39899052

FPGA EMV and DSA Analysis

I have raw captures from both contact (ISO 7816) and contactless (ISO 14443) EMV cards fed directly into an FPGA test rig. My objective is two-fold: complete pr...

HL-39898669

Ingeniero/a Electrónico para Cerradura de Seguridad (Fase Final de Producto)

Oferta de Colaboración: Ingeniero/a Electrónico para Cerradura de Seguridad (Fase Final de Producto) Buscamos un Ingeniero/a Electrónico/a freelance y con exper...

HL-39898506

Substation Automation Power Distribution Design

I’m seeking an engineer who knows Schneider SEE Electrical and understands substation automation workflows. My immediate need is a concise power-distribution de...

HL-39898549

Reduce Transistor Amplifier Gain

My transistor-based input stage is far hotter than I need. It drives 35 tape heads wired in series inside a Mellotron, so any hiss or overload quickly snowballs...

HL-39898034

Health-Tech Kiosk IoT Prototype

IoT/Integration Developer Project Brief I am building Medrovia, a health-tech startup developing a prototype kiosk for real-time health screening. For Phase-1,...

HL-39898081

Sheet Metal Design for Vehicle Parts

I need an experienced Autodesk Fusion user to convert solid parts into foldable, cuttable sheet metal parts for pickups. Key Tasks: - Convert solid parts to she...

HL-39897866

Restaurant Fault Current Calculation

I run a small restaurant that is fed by a three-phase service, 50-100 kVA in total, and everything lands in a single main panel. I need to know the available fa...

HL-39897715

FPGA Rotary Encoder 100 MHz Interface

I’m building a motion-control stage that relies on a quadrature rotary encoder operating behind a 100 MHz system clock. I need a compact FPGA module—Verilog or...

HL-39897612

Reusable CGM Sensor Development

Pioneer Role 1: Firmware & Electronics Specialist (The Hardware Hacker) The Mission: Defeat the manufacturer's programmed 14-day expiry lock in the sensor’s fi...

HL-39897615

RFID Audio Player Device

Project Overview Build a turnkey, toddler-safe RFID audio player that plays custom audio when a child taps an RFID/NFC card or keyfob. The device must be batter...

HL-39897225

Freeze Dryer Restart & Maintenance

I have a laboratory-scale freeze dryer that has been sitting idle for about a year. I need an experienced technician to bring the unit safely back online and se...

HL-39897256

Tokyo On-Site Microscope Soldering Technician

On-Site!! Must be physically in JAPAN!!! We are looking for a skilled technician to assist with fine soldering under a microscope tasks on-site in Tokyo, Japan....

HL-39897105

Multi-Layer PCB for Electronics

I am currently working on improving an already existing open-source project for personal use. It is an electromagnetic resonance drawing tablet implementation s...

HL-39896969

Remote Radiation & Weather Station

I need a compact, self-powered field station that can continuously measure both gamma radiation and key weather metrics, then push the readings to a central con...