GFXDraw is a powerful and easy-to-use GUI library for Arduino. It offers simple elements, powerful path-based vector drawings, ready to use widgets and visual effects. The library is made especially ...
PCF8574 library. i2c digital expander for Arduino, Raspberry Pi Pico and rp2040 boards, esp32, SMT32 and ESP8266. Can read write digital values with only 2 wire. Very simple to use and encoder support ...