My daughter likes buttons. She's learning letters. I was bored over winter break and had these parts laying around... so I built her a "Button Box" based around an Arduino. Open source, hackable, and ...

This tutorial shows how to setup a standalone ATmega328P-PU microcontroller (breadboard or PCB) in an Arduino compatible mode. The microcontroller should be pre-loaded with the Arduino bootloader in ...

This Arduino project controls a magical box (or book) using a servo motor, a hidden button, and an internal light. When the hidden button is pressed, the box slowly opens and the LED lights up — ...

This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

While newer Arduinos and Arduino compatibles (including the Hackaday.io Trinket Pro. Superliminal Advertising!) either have a chip capable of USB or rely on a V-USB implementation, the old fogies of ...

A few months back at the Black Hat Security conference Cody Brocious demonstrated how you can easiy open an Onity hotel room lock, the standard system used in many hotel chains, with an Arduino but it ...

Usually, I use the Serial Monitor of the Arduino IDE to communicate with the Arduino hardware. But now, I want to build an application on my computer that allows me to click some buttons to control ...

Patrick McCabe's latest creation is a delightfully ironic combination of high-tech and low-tech that is sure to please. And just what exactly is this inventive tour de force? Okay, if you've read the ...