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. In my example the whole ...

This copy includes changes by @blazczak and @geeksville to provide support for the older series 6 and 7 modules. Disclaimer: SparkFun has not verified this copy of the library on either series 6 or 7.

This hands-on camp is an introduction to physical computing using the popular Arduino microcontroller platform. You’ll learn how to assemble simple electronic circuits and write programs (Arduino ...