![]() You only need two data pins to control the LCD. ![]() The advantage of an I2C LCD is that the wiring is very simple. This module features a PCF8574 chip (for I2C communication) and a potentiometer to adjust the LED backlight. The I2C LCD that we are using in this tutorial comes with a small add-on circuit mounted on the back of the module. ![]() This type of LCD is ideal for displaying text and numbers, hence the name ‘character LCD’. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to products on. If you have any questions, please leave a comment below. TMP36 analog temperature sensor with Arduino tutorial.LM35 analog temperature sensor with Arduino tutorial.How to use DHT11 and DHT22 Sensors with Arduino.How to use an HC-SR04 Ultrasonic Distance Sensor with Arduino.In these tutorials, you will learn how to measure and display sensor data on the LCD. Once you know how to display text and numbers on the LCD, I suggest you take a look at the articles below. In the second half, I will go into more detail on how to display custom characters and how you can use the other functions of the LiquidCrystal_I2C library. The first part of this article covers the basics of displaying text and numbers.
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