What was your first Arduino program? Probably an LED blinker — that seems to be the “hello world” of microcontrolllers. You probably moved on to things a little more complicated pretty quickly. At ...

We’ll have a closer look at the blinking LED Arduino sketch we saw last time. Programs written for the Processing [4] programming language are called sketches. These sketches are typically written ...

Creating music for the Arduino is simple – just use the tone() library – but it truthfully doesn’t sound that great. That’s because this library is monophonic, making chords difficult or at the very ...