With this unit‚ 4 additional wired zones can be connected to the IC60 control panel. The module can be integrated within the control panel (modular version) or mounted externally (compact version) to ...
A while ago I received a couple of I/O port expander modules that use the I 2 C protocol. Using that Chinese module, you can use only the SDA and SCL pins of your Arduino, or any microcontroller ...