The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...

Inspired by the expressive eye animations of the Anki "Cozmo" robot, this Arduino/ESP8266/ESP32 library displays a set of animated eyes on a small 128x64 OLED screen. Unlike some libraries which ...