Using an LCD display on Arduino

We will introduce liquid crystal displays or liquid crystal displays. We will study the use of two types of LCD displays - common LCD1602 display modules and popular LCD keyboard shields for Arduino. We will also learn how to use the I2C adapter for the LCD1602 display module. The LCD is a very simple way to add the display function to the Arduino project. They are cheap, easy to use and have a wide range of applications. They do not consume a large amount of current, so it is very suitable for batteries. I will show you several ways to interface LCD and Arduino interface, including using I2C adapters. If you are not familiar with the I2C (internal integrated circuit) bus, this is a very common method, just use several wires to add sensors and peripherals to ARDUINO. I will briefly introduce the operation of the IC2 bus in the video. To use an I2C adapter, we will use a library called NewliquidCrystal. I will show you how to install it, you will find the link to the library in the article on https://github.com/fmalpartida/new-li .... The library is actually an alternative to the Arduino LiquidCrystal library, so you can use it for all LCD sketches, not just the I2C sketch. We will also build some practical things - digital temperature and humidity meter during use. This will utilize the I2C adapter and the DHT22 temperature and humidity sensor. Video and attached art will also show you how to use the very common LCD keyboard shield for Arduino Uno. The advantage of the device is that the button is wired. I will explain this and show you a demonstration sketch, you can use it for your own project.

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