Adafruit DHT Humidity & Temperature Unified Sensor Library This library also includes an optional class for the DHT humidity and temperature sensor which is designed to work with the Adafruit unified ...

Arduino Code: First, you’ll need to install the DHT sensor library if you haven’t done so already: Open Arduino IDE. Go to Sketch → Include Library → Manage Libraries... Search for DHT sensor library ...

Seeking a quick-and-dirty success, and beaten down by hours of hacking away for naught, I pulled a DHT22 sensor out of the eBay bin, and cloned Adafruit’s DHT library.