Lesson 7: DHT11 Temperature and Humidity Sensor

(1)Description:

This DHT11 temperature and humidity sensor is a composite sensor which contains a calibrated digital signal output of the temperature and humidity.

DHT11 temperature and humidity sensor uses the acquisition technology of the digital module and temperature and humidity sensing technology, ensuring high reliability and excellent long-term stability.

It includes a resistive element and a NTC temperature measuring device.

(2)Parameters：

Working voltage: +5 V

Working temperature: 0-50 ℃ error of ± 2 ℃

Humidity: 20-90% RH ± 5% RH error

Interface: digital port

(3).You need to prepare:

Control Board*1	USB Cable*1	DHT11 Sensor*1	3pin DuPont Wire

(4)Connection Diagram

The G, V and S pins of DHT11 Sensor*1 are connected to G, V and D7 of the control Board.