Learn how to quickly contribute to the Arduino Reference via GitHub.

A USB HID game controller built from a standard bicycle and trainer stand, using 2 Leonardos to emulate keyboard/mouse, and joystick inputs.

Using one Arduino Uno board to control 88 solenoids to play piano.

A mini CNC machine made out of cheap materials with a stunning result.

Super cool Rubik's cube lamp made to relax students in the middle of tense study at night.

Arduino UNO-compatible robotic simulation of the C. elegans nematode.

Everyone needs a good scale in kitchen, what better than to build a high precision scale with the UNO?

A maker kit designed for Egyptian girls who want to learn electronics.

A smartwatch with fall and location detection, reminders and more, designed to help you or your loved one with Alzheimer's!

Life Band Monitors the health conditions of Elderly up to date and provide immediate Medical assistance if necessary

Lie detector that measure your skin galvanic skin response to tell if someone is lying.

Watching primes born was never more exciting, or slow.

This health band can assist old people in their daily lives, leaving the family stress free!

I created an electrocardiogram using TouchDesigner. The image moves according to the value of the sensor connected Arduino.

If there is sensitive data that you want to keep private when sharing a sketch, add a secret tab and store your private info there!

The sunflower follows the light using a servo motor and two photoresistors.

A walking four legged robot "mammal style." 3DOF legs, IR receiver all connected to a Pro Mini. Material cost less than $100.

A system to truly control power saving for any project which is made using a development board that isn't power saving in nature!

Learn how to create a tide gauge that publishes tidal water levels to ThingSpeak and uses MATLAB for tide prediction, analysis, and alerts.

This project shows how to simulate a simple closed-loop control algorithm in Simulink and how to run it on an Arduino Mega 2560 board.

Arduino Uno used as a voltage meter and a 6 MHz frequency counter displayed on PC.