BUY DHT11 https://www.utsource.net/itm/p/11252874.html

Manufacturer: AOSONG Description: The DHT11 is a low-cost digital temperature and humidity sensor with a single-wire interface. It is a basic, low-cost digital temperature and humidity sensor. Features: Low cost High accuracy Single-wire interface Wide temperature and humidity measurement range Fast response time Long-term stability Applications: Home automation HVAC systems Weather stations Industrial process control Humidity measurement Automotive applications (For reference only)