Xiaomi motion sensor cheap?

[roberto]

Like a sharm. I've not got any troubles as many other users. You must at first build the zigbee net, in my opinion, with only Xiaomi compatible repeater. Otherwise you get in troubles…

Read carefully the folloeing thread:

Xiaomi & Aqara Devices - Pairing & Keeping them connected

NOTE: Although many users have had great success using them, Xiaomi / Aqara ZigBee devices are NOT officially supported or guaranteed to work on the Hubitat Elevation platform. Because of their small size, simple design, and relatively low price, the Chinese home automation (HA) market ZigBee mesh network-based devices from Xiaomi / Aqara have seen an increasing level of popularity in other countries, where users are attempting to integrate them with their HA hub platform of choice, instead of t…