This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and ...

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.

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 ...