Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
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Otherwise, you need to add the DHT11 to the Arduino library file directory, otherwise the
compiler does not pass. Please refer to ‘How to add library files.docx’.
Language reference
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serial
Application effect
Open the serial port monitor, you will see the value returned by DHT11.
Lesson 30: Temperature and humidity
monitoring experiment
Overview
This is a more complex experiment, it can realize the monitoring of indoor temperature and
humidity, and in the LCD above display value.
Specification
Please view LCD1602-datasheet.pdf、DHT11-datasheet.pdf and PCF8574.pdf.
Path: \Datasheet
Pin definition
Null