Having a few temperature sensors at my disposal, I made a big mistake: I compared the values they’re emitting.

Sensor values

From left to right we have here, in an area of 20 cm2, the following sensors:

Humidity is even more off than temperature:


The TI SensorTag CC2650 currently doesn’t feel like reporting humidity, so there!

Who actually calibrates these things? But much more importantly: how high is the temperature in my office?