DHT11 Temperature And Relative Humidity Sensor Module

One. baby description

1 can detect ambient humidity and temperature

2 sensor DHT11

3 humidity measuring range: 20% -95% (range 0 degrees -50 degrees) and humidity measurement error: + – 5%

4 temperature measuring range: 0 degrees -50 degrees temperature measurement error: + – 2 degrees

4 Operating Voltage 3.3V-5V

5 Output Type Digital Output

6 has a fixed bolt hole for easy installation

7 small plates PCB size: 3.2cm * 1.4cm

8 Power indicator (red)

9 Each weighs about 8g

Two module interface specification (3-wire)

1 VCC 3.3V-5V external

2 GND External GND

3 DO small board switch digital output interface connected to the microcontroller IO port