I2CKeyPad

Signal Input/Output

Arduino library for 4x4 (or smaller) keypad connected to an I2C PCF8574.
4x4, 5x3, 6x2, 8x1 or smaller.

Author: Rob Tillaart

Maintainer: Rob Tillaart

Read the documentation

Compatibility

This library is compatible with all architectures so you should be able to use it on all the Arduino boards.

Releases

To use this library, open the Library Manager in the Arduino IDE and install it from there.