Shelly Temp. Sensor DS18B20 3m cable

The 3-meter cable gives me plenty of slack to reach the far corner of the garage, and the readings match my standalone thermometer within half a degree. Hooked it up to the AddOn in under five minutes and it's been rock solid for two weeks now.

Took about ten minutes to wire into the AddOn and the readings are spot-on compared to my other thermometer. The 3-meter cable means I could route it through the wall into the hallway without any extension hassle.

The 3-meter cable gave me plenty of slack to route it from my boiler room into the hallway, and the temp readings are spot-on with my standalone thermometer. Installation onto the AddOn was straightforward, took me under five minutes.