dht11 is _____________ sensor:
- Object presence sensor
- Humidity sensor
- Air sensor
- Position sensor
Correct answer: 2. Humidity sensor
The dht11 is a temperature and humidity sensor. dht11 is a basic, ultra low-cost sensor that uses a humidity sensor and a thermistor to measure temperature. dht11 is often combined with arduino for obtaining digital temperature and humidity measurements. (See tutorial below)