Data Sheet

Guide V1.0
Email: [e-mail] Web: www.elecrow.com ---Designed by Elecrow Keen
86
UNO R3 LCD1602_IIC
GND -> GND
+5V -> VCC
SDA -> A4
SCL -> A5
Compile and upload
Tips: Refer to the operation demo (Step4 to Step8).
If you have added the library, skip it.
Otherwise, you need to add the LiquidCrystal_I2C and DHT11 to the Arduino library file
directory, otherwise the compiler does not pass. Please refer to ‘How to add library
files.docx’.
If the LCD does not display or brightness is not enough, please adjusted the potentiometer.
Language reference
lcd.begin()
lcd.print()
lcd.setCursor()
Application effect
You will see the value of temperature and humidity on the LCD.