![]() The backpack module uses the I-squred-C (or I2C) protocol to communicate with the Raspberry Pi, which uses only two wires: SDA and SCL (data and clock). You also need a small Phillips screwdriver to adjust the contrast. The right-hand side matches the backpack pins, while the left hand-side will go to a breadboard. Other than the display you will need some wires. With this version you need only four pins and the programming model is very simple. The plain version is not practical anyway it would use a lot of GPIO Pins and it has a complicated programming requirement. ![]() If you have the plain version of this display then this tutorial is not for you. Specifically, I will be looking at the model that has the I2C backpack attached. This article will demonstrate how to use the I2C two-line LCD 16×2 display with the Raspberry Pi. I would appreciate your support in this way! ![]() ![]() I may make a commission if you buy the components through these links. Oled HDMI touch display for raspberry pi: Wireless Keyboard and Mouse for raspberry pi: You know we have two types of the 16×2 LCD, the normal one used more wires and the other one is based on the I2C interface which needs only two wires. Raspberry Pi 16×2 LCD I2C Interfacing and Python Programming– I have been using 16×2 LCD for quite a long time in different Arduino and IoT related projects.
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