Replace all your IR remotes control with an Arduino.

An open microbial bioreactor for growing cultures of about 1L.

Sketch of transistor tester project from Karl-Heinz Kübbeler, so it's much simpler to study, modify, verify and upload to an Arduino.

This project uses an ultrasonic distance sensor to create a pocket of wave interference where a small object can be levitated.

This is a library that allows any machine or robot to be controlled by G-code.

A general tutorial on installing Arduino bootloader on ATmega8 AVR microcontroller and programming it using Arduino IDE.

A sensor that recognizes the name of the color of an object based on light sensing and a neural network that learned from previous examples.

This project demonstrates how easy you can use the DMMShield from Digilent with all Arduino boards.

A technique for drastically reducing the pins required by a matrix keypad is described.

Did you ever get into a situation where you had to wire up two, three or more I2C sensors to your Arduino just to realize the limitation?

Step by step on how to program a ATtiny85 microcontroller with Arduino Uno development board.

This is an Arduino camera module, using the surveillance camera's digital image processing chip-OV0706.

FreeRTOS, simple, easy to use, robust, optimised for Arduino IDE. Full access to FreeRTOS capabilities, within classic Arduino environment.

Make your hardware push data to a Google spreadsheet.

Regulated smart constant current charger for 9V NiMH rechargeable batteries.

A time switching battery powered solar charged circuit, used to power an Arduino Uno and some peripherals.

Arduino's great, but how in the world do you do two (or more) things at once on separate intervals? You need protothreading!

We used a TI FDC1004 breakout with an Arduino to measure liquid level in a bottle using the capacitance between two adhesive copper strips.

Program your Arduino with an Android device over Bluetooth HC05.

Simple Arduino Uno - ESP8266 software serial integration.

Logic Analyzer, for Arduino, other AVR and STM32 with a very nice working processing interface, you could run it also on any Android device.

Using a phone as a makeshift GSM module.

Clock LCD display adjustable.

If you can't find a voltmeter at home or anywhere else, then this hack is for you!