I’ve tried the DHT11 sensor modules at both Vcc 3.3V and 5.0V, and at both voltages the humidity values are bad. dfrobot has introduced a V2 DHT11 sensor module that changes the 10K pull-up to 4.7K.

The Raspberry Pi Zero 2 W continues to impress me. In less than an hour, I was able to set up a remote temperature/humidity monitoring system for less than $22. Not only was the low cost of the device ...