DHT21 Digital-output relative humidity & temperature sensor/module,connect with single-bus-line Sensor AM2301 Digital Temperature & Humidity Sensor This temperature & Humidity sensor is a wired version of the DHT21, in a large plastic body. It is a basic, low-cost digital temperature and humidity sensor. It uses a capacitive humidity sensor and a thermistor to measure the Read more about DHT21 AM2301 Digital-output relative humidity & temperature sensor/module,connect with single-bus-line Sensor[…]