ATmega328P Pump Controller Firmware
Our prototype is already built around an ATmega328P, a 6-digit SSD LED display, a 9-key membrane keyboard, two pump-drive outputs, one pressure-sensor input and...
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ESP32-Driven 3-Axis Robotic Arm
I already have the hardware in hand—an ESP32, two NEMA17 stepper motors on TB6600 drivers and vline belt actuators, and a 12 V linear (zaxis ) actuator—and I ne...
Read moreAdvanced Simon Game on QUTY
I'm looking for a medium skilled developer to implement an advanced Simon game on a QUTY microcontroller board. The game should feature score tracking and use b...
Read moreUltrasonic-Triggered Relay Setup
I already have the hardware—an Elegoo UNO R3, an RCWL-1655 weather-proof ultrasonic module (HC-SR041 form factor), and a HiLetgo relay board. I need a lean, no-...
Read moreCost-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...
Read moreDesign A Weight Based Automatic Filling System
Project Overview We’re building a scale that will later integrate with a filling valve to create an automatic filling system. Scale should handle 50 - 750 kg. T...
Read moreCross-Platform Acoustic MVP Development
Phase 1 is a lean but future-proof MVP for a patent-pending acoustic app on iOS and Android. A full technical brief already exists and will be provided after an...
Read moreProgramación ESP32 Maestro LoRa
Quiero el firmware completo para un sistema distribuido con ESP32: una placa central (maestro) y cuatro placas esclavas que se comuniquen por LoRa de forma bidi...
Read moreIR Sensor Specialist for Outdoor Motion Detection
Infrared (IR) Sensor Engineer – Outdoor Motion Detection & Prototype Design (ESP32 / Arduino) Job Description We’re looking for an experienced Infrared (IR) and...
Read morePrecision Stepper Driver Development
I need clean, well-commented code that drives a stepper motor so a load of more than 5 kg can rotate a box and hold each 90-degree position with better than ±1...
Read moreArduino Nano-Engineered Futuristic Car
Introducing my latest innovation: a cutting-edge car designed with precision and technology at its core. Powered by the versatile Arduino Nano and equipped with...
Read moreExperienced Electrical Engineer for Hardware Prototyping
Project Description: We are looking to hire an experienced Electrical Engineer to assist with one of our ongoing company projects involving hardware design and...
Read more433 MHz RF LED Controller
I need a simple RF-based controller that can reliably switch an LED strip on and off from more than 20 m away. The remote must operate at 433 MHz; Scope • Provi...
Read moreVB.NET Arduino Serial Data Viewer
I’ve got an Arduino that streams sensor readings over a serial link, and I need a small VB.NET desktop application to act as its control panel. The single, esse...
Read moreNeed ESP32-S3 Programmer for Prototype
Looking for someone to program an ESP32-S3 microcontroller for a prototype project. All hardware components are ready — you’ll only need to handle the firmware...
Read moreKite API Integration for Python Automation
I'm seeking an experienced professional to integrate the Kite API with Python scripts to automate my swing trading strategies on Zerodha. Key Requirements: - Co...
Read moreFix Flutter Thermal Printer Integration
I already have a fully working Flutter app, except for one gap: the Bluetooth thermal-printer action fails to fire. I’m looking for someone who can drop into th...
Read moreFix Flutter Bluetooth Printer Bug -- 2
I already have Bluetooth printing code in my Flutter app, yet nothing reaches the thermal printer on either Android or iOS. I need a focused bug-fix that: • Rev...
Read moreCH32V003 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...
Read morePIC 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...
Read moreIR 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...
Read moreESP32 IDE Programming Software
Got it — when a developer asks for *work requirements*, they basically want the **functional specification**: what exactly the software must do, how the ESP32 p...
Read moreArduino 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...
Read moreG-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...
Read moreBluetooth 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,...
Read moreIMU/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...
Read moreBluetooth 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...
Read moreESP32-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...
Read moreInterleaved 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...
Read morePort 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...
Read moreRaspberry 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...
Read moreC++ MIDI Sequencer Build
I’m looking for a seasoned C++ developer to help add features to MIDI controller / sequencer code. The microcontroller is a Teensy 4.1 with an 8 bit TFT screen,...
Read moreCost-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...
Read moreArduino 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...
Read moreJLMH SmartHome Steuerung
Ich möchte aus meinem Konzept „SmartHome TMH2“ eine vollständig serientaugliche Steuerungslösung ableiten ‑ vom ersten Schaltplan bis zur lauffähigen Software....
Read moreHealth-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,...
Read moreAI Audio Restoration Prototype
I need an AI-savvy audio engineer to build a lightweight, working prototype that cleans and digitises old family recordings. For this first phase, the tool only...
Read moreRFID 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...
Read moreG-Code for Heart Keychains
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...
Read moreESP32 RS485 Google Sheets Logger
need a small IoT device built that can read data from a Selec 500 UCI PID controller through its RS-485 Modbus port and send those values automatically to a Goo...
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