Author: Lennart Hennigs (https://www.lennarthennigs.de) Copyright (C) 2017-2026 Lennart Hennigs. Released under the MIT license. This library allows you read out ...
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 ...