There are many Humidity sensors available. DHT-11/DHT-20/DHT-22 from Aosong are the cheapest and easily available in India. DHT-11 is the cheapest. DHT-22 or AM2302 is a good choice for hobby purposes or college projects. DHT20 has replaced DHT22 but still DHT22 is still the most available one. DHT20 is colored black and DHT22 is white.… Continue reading Humidity sensor
Tag: DHT-11
DHT 11 – Temperature and Humidity sensor
Mostly made by Aosong. Here is the datasheet. Libraries are little rare and seems to be bit old. But this one on GIT is working fine. The library has been attached here also in case the GIT one is not available for any reason. There are example codes in the library. Wiring the module is… Continue reading DHT 11 – Temperature and Humidity sensor