Cheap way to measure tempeature and humidity

Not tested but you have also this:

You can also use a Shelly H1T device. Works on Wifi, so no need for a bridge.

Hello Jonas,
I use a set of 8 SONOFF SNZB 02, 03 & 04 and 4CHPROR3 sensors to control my solenoid valves, everything works perfectly and it’s very stable.
I bought everything on Aliexpress
My biggest problem is that I dont know program script on OpenHAB… :sleepy: