If you’ve ever wanted to make your own VU meter but were scared off by the signal process you need to study this tutorial. Hackaday Alum [Phil Burgess] developed the device using an RGB LED m… ...

This 13-pronged course package is mostly centered on Arduino, an open-source electronics prototyping platform often used by designers, developers, artists, and hobbyists to create interactive objects.

So we can use a simple formula for routine calculations: “level = 255/5 x effective voltage” The experimental code for ATtiny85 is the same as the Arduino Sketch, as indicated. The only deviation is ...

There is no setup needed to use the Arduino Wire library, as it comes installed in the Arduino IDE. You can find the library files by navigating to Arduino/Libraries/Wire, but it's not recommended ...