Since we are directly connecting the LCD to the Banana Pi, we will wire it up. We won't have a GPIO header to connect directly to. Displays of size 16 x 2 generally have 16 pins. These devices are generally easy to work with. The different pins can be broken down into the following types:
- Data pins: These are the pins that send data to the display. These pins are pretty straightforward.
- Register Select pin: This can be used to move the display up or down or even clear it.
- Read/Write pin: This pin allows you to read and write to the LCD. This will almost always be in write mode. However, on rare occasions, it will be in read mode to allow us to read from the display.
- Enable pin: This is a simple pin that allows us to write to the ...