The Raspberry ... Pi using the remaining connectors. The board supports stacking, so you could theoretically create a tower of add-ons featuring boards that add support for storage, wireless features, ...

Star 37 Code Issues Pull requests Android Things open source peripheral drivers android raspberry-pi i2c driver android-things hd44780 sh1106 tsl2561 e-paper pcf8574 ds3231 e-ink lsm9ds1 hcsr04 ...

Library to support the HD44780 LCD , (I2C PCF8574 "backpack" interface) for the Arduino eco system arduino lcd i2c display hd44780 arduino-library arduino-platform lcd-display lcd-controller ...