However, if you use an LCD module with I2C interface, you only need 2 lines to process the ... Reference circuit diagram of an Arduino-compatible LCD backpack is shown below. What follows next is ...

Second, he uses latch chips to translate eight pins on the Arduino Mega ... drive the latch on just one of the chips using the chip select (CS) line called for by the LCD protocol.

this is the way to use one of these repurposed cell phone displays. After reading about [Paul]’s experience with improving the TFT library for the Teensy, [Xark] grabbed an Arduino, an LCD, and ...