This library is a fork from scogswell's library. The main intention of this library was to implement a device able to respond to AT Commands, for example "AT", "AT+RST", that kind of commands you see ...

Experimental This library gives easy control over the 8 pins of a TCA9554 and TCA9534 device. The pins can be used for INPUT (default) and OUTPUT, and can be set per single pin, or with a mask to set ...