This is a simple 0 to 9 counter circuit constructed using Arduino! Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push ...

In the shell subdirectory, I have another example implementation using awk. Once you have this stream of numbers, you can include it in an Arduino sketch ... define a 28 bit counter.

Literally, ATtiny85 is a scaled-down version of the Atmega microcontroller on Arduino boards ... to fast PWM mode. For example, to get 31-kHz PWM, there’s a way to fiddle with the Timer Control ...

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.

Rob Cai has used and Arduino Uno development Board together with an old VGA display to create an awesome digital representation of the iconic Etch-a-Sketch mechanical drawing toy invented by ...