However, if you use an LCD module with I2C interface, you only need 2 lines to process the display information. Now a days, it is not necessary to buy an expensive I2C LCD for this task because ...

SPI and I2C displays differ in their wiring. I2C displays rarely ever need anything other than SDA and SCL.

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 ...

Aside from these components, you'll also need an I2C module to convert your LCD into an I2C device (so it uses fewer pins), a motor driver for your fan, a breadboard to hold the components ...

The display is a 1.14 inch TFT LCD screen. Its keyboard is designed for thumb typing (and doesn’t look very comfortable to use).