The guts of this are controlled via an Arduino Mega 2560, with copious amounts of hot glue on display in true hacker style.

Learn how to create a simple heart rate monitor using an Arduino Pro Mini, PulseSensor, and OLED display. This ...

PWM pins work the same way across all Arduino boards, so you don't need to go out of your way to buy a Mega if you already have a board supporting PWM. On the Uno, Nano, and Mini, the PWM pins are ...

Arduino Mega 2560 DIY hexapod robot 11:22 am April 18, 2023 By Julian Horsey ...

The build uses a 16×16 addressable LED matrix. [Jens] then ported some “Bouncy Bubbles” Processing code from Keith Peters to the Arduino Mega, and set it up to display on the matrix.