Not Only Set The Contrast Control Knob Selector Switch
Also Has A Backlight And Iic Communication Interface.
For Arduino beginners, not for the cumbersome and complex LCD driver circuit connection and a headache, the real significance of this LCD module will simplify the circuit, this module directly into the for Arduino Sensor Shield V5.0 sensor expansion board IIC device interface can, GM 4P sensor connection cable, programmed through the for Arduino controller, you can easily identify the slogan, sensor data records
Specification:
100% brand new and high quality
This product can simplify the circuit.
Interface: IIC/I2C
I2C Address: 0x27
Pin Definition : GND.VCC.SDA.SCL
Back lit (Blue with White char color)
Supply voltage: 5V
Pcb Size : 60mm×99mm
Contrast Adjust : Potentiometer
Backlight Adjust : Jumper
I2C LCD Connections
I2C Character LCD
Arduino
GND
GND
VCC
5 V
SDA
A4
SCL
A5
If you are not using an Arduino Uno, the SDA and SCL pins can be at a different location. An Arduino UNO with the R3 layout (1.0 pinout), also has the SDA (data line) and SCL (clock line) pin headers close to the AREF pin. Check the table below for more details.
In this tutorial, I will be using the LiquidCrystal_I2C library. This library has many built-in functions that make programming the LCD quite easy. The latest version of this library can be downloaded here on GitHub or click the button below.
Make sure that you have this exact library installed and delete any other libraries that have the same name (LiquidCrystal_I2C). Other libraries will probably work as well but might use slightly different names for the different functions.
Test code:
/* I2C LCD with Arduino example code. More info: https://www.makerguides.com */
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