Project 14：Dht11 Temperature And Humidity Sensor - Keyestudio KS4028 Manual

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ON and press"1"on the rocket switch.
The micro:bit will show a smile image. Make a fire lighter close to the gas
sensor and press its button, 1602 LCD will display"MQ-2"at the first row
and show " gas leakage " at the second row. At same time, it will emit
"tick,tick"sound and LED will flash.
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Project 14：DHT11 Temperature and Humidity Sensor
(1)Project Introduction
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.
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