The ‘under’ in Undershield comes from this shield being mounted underneath the Arduino, unlike every other shield on the planet.

(keypad: columns and rows switching) So now you can see how the button presses can be translated into electrical data for use with a microcontroller. We can now start the real experiment with as ...

I quickly created a simple but compact digital tachometer using an Arduino Uno microcontroller and a pretty nice Arduino LCD Keypad Shield. The setup can measure how many times a switch/sensor action ...

This shield could be a good alternative to hobby RC controllers for robots that need a customizable open-source motor controller. The PCB design and source code are available on GitHub.

Arduino enthusiasts or those looking to learn more about programming with Arduino and electronics-in-general may be interested in a new Kickstarter campaign and Arduino compatible 42-Digit SPI ...

Arduino devices have had the option of a GSM linkup for awhile, but getting that cellular link to truly strut its stuff hasn't always been easy, even for those of us who'd be inclined to program ...