Xiaomi has a complete range of Smart products (Xiaomi Aqara) for a nice price. The products can be used in the mi home app but also in Domoticz or Home assistant. Most of the products are based on the Zigbee protocol so therefore the gateway is needed. There are more versions of the gateway but we only use version 2 because it’s compatible with Domoticz and Home-Assistant.
If you want more info about Xiaomi, check this article. All links are to Gearbest, they are cheap and reliable.
Note that when you are using the provided links we got referral points. The idea is to earn something with the points and are giving that back to our community. So when you love Domoticz use the links provided.