As you might have observed, even the wondrous Digispark development board uses the ATtiny85 as its brain! Literally, ATtiny85 is a scaled-down version of the Atmega microcontroller on Arduino boards ...

This is an easy tutorial showing how you can control the brightness of an LED or adjust the speed of a DC fan using Arduino Board, a small BC547 transistor and a potentiometer.

The Arduino team has also announced the launch of a new Arduino Docs site with a detailed, but easy-to-use breakdown of everything you ever wanted to know about the official boards and products.

If you would like to learn more about the full range of Arduino development boards currently available as well as Arduino Cloud this overview ...

Arduino boards can feel quite overwhelming at first because you're faced with the decision of which one to buy.

Ladyada points to the Gameduino board, which is made with DIY gaming in mind. And Teagueduino is essentially an Arduino board put together in a kit to help people learn how to program it.

[Kaushlesh Chandel] prototyped a few projects on his Arduino that use an HD44780 Character LCD. Wanting to keep these projects in one piece, but not sacrifice his Arduino board, so he etched his ow… ...

Arduino has a range of boards all with different add-on features and coming in different sizes - including small ones.