In the previous chapter, we used a light sensor to read the ambient brightness as a value from 0 to 1023.This time, we will ...

[Paul] wrote in to tell us about some interesting Arduino latency issues he helped nail down and fix on the Arduino. It seems that [Michu] was having some problems with controlling his Rainbowduino ...

You can read the state of a button using Arduino and a few lines of code. The actual state is shown in the Serial Monitor window as 0 or 1, 0 meaning the button is not pressed and 1 that the button is ...