The Onvis CS2 isn't just a contact sensor. With a 120dB siren, Thread support, and climate tracking, it's a 4-in-1 security ...
This is the Sensirion SFX6XXX library for Arduino allowing you to communicate with a sensor of the SFX6XXX family over UART using the SHDLC protocol. Click here to learn more about the Sensirion ...