This module is developed on the Raspberry Pi using a 16x2 LCD display and a potentiometer. The simulator is implemented using the “AdafruitcharLCD” library to display the numerals on the LCD screen.

To that end, [Martin] is trying to push the now-ubiquitous WiFi chip even further by rolling out his own LCD driver for it from scratch. The display of choice is the KeDei LCD 3.5″ module which ...