I really love Micropython for standard stuff like this where it's just about parsing data from one protocol (the DHT22 serial protocol) to another (MQTT). No need to write hundreds of lines of C Code for it.
The drops occur when I open the door of the house which is about 3 meters away from the fridge (it's a 33m^2 studio appartment). The sensor sits under the fridge on the floor. Generally in winter I open the doors and windows at least once a day for 5-10 minutes to decrease the humidity inside. https...
Here's my little home IoT project based on Micropython. https://user-images.githubusercontent.com/52459869/96334457-42067380-1071-11eb-89f0-df4ec9369ef0.png https://github.com/jj-wohlgemuth/my-home-iot [ micropython micropython-esp8266 synology synology-nas mqtt sql ftp python plotly dht22 dht11 dht ]