PIR Sensor 433MHz alarm system

Hardware Home Automation
1

Hi.
How to make a simple alarm system on the PIR sensor 433MHZ, openhab, Raspberry Pi and 433 MHz receiver?
I have a receiver connected to the Raspberry Pi I can read the code using 433Utils and this tutorial
How to cause event in Openhab after receiving a signal from the sensor?

2

Take a look at the RFXCOM binding and see if your device is supported.

3

My device is not listed. How can I change messages from the RF Sniffer commands Openhab?