Link to instructions, circuit diagram & C++ Sketch:
https://akuzechie.blogspot.com/2021/0...
Contents:
0:00 Introduction
0:18 ATtiny85 Module Specs
1:16 Circuit Diagram of Implemented System
2:05 Demonstration
2:32 C++ Sketch
4:02 Future Project: ATtiny85 Interface with MAX7219 Dot Matrix Module