Now have a look at the schematic. If you’ve not played with the Hitachi HD44780 LCD controller before, it has four-bit and eight-bit data modes.

Microchip Technology Inc. has expanded its 8-bit segmented LCD microcontroller family with five additional devices — the PIC16LF1902/3/4/6/7 (PIC16LF190X) devices. The PIC16LF190X family supports many ...