commands to a small LCD screen that will display the phrase “Hello, Tape I2C”. We’re not sure exactly sure what’s inside that rectangular widget epoxied to the bottom of that perf board ...

With it, you can add an LCD screen with a respectable resolution ... By [Raimond Spekking], CC BY-SA 4.0 I2C is a two-wire interface, and you can put multiple devices on these two wires ...