[tutorial] How to use the Soil Hygrometer Module
Introduction In this tutorial we will use one soil hygrometer module to measure soil...
[tutorial] How to use the DHT-11 sensor
Introduction The DHT-11 is a digital-output relative humidity and temperature sensor. It uses a...
[tutorial] How to use DHT-22 sensor
Introduction The DHT-22 (also named as AM2302) is a digital-output relative humidity and temperature...