Article on >>Medium
- https://github.com/adafruit/Adafruit-GFX-Library
- https://github.com/adafruit/Adafruit_SSD1306
- Arduino Nano ATmega328
- OLED 128x64 I2C Display (128x64)
- 2 Controllers (10k potentiometer)
- Status-LED
- Switch
- 2 resistors: 4,7K Switch, 1K LED