04-08-2019, 20:10
You did the right choice. The SHT31 sensor is a native 3.3V module (5.0v tolerant) while most of the the HTU21D modules are native 5.0V modules which also operate at 3.3V
The Wemos D1 mini, input / output is 3.3V
The Wemos D1 mini, input / output is 3.3V

