Adafruit 292 i2c and spi lcd display backpack
Adafruit i2c and spi lcd display backpack adafruit 292 p the adafruit i2c spi character lcd backpack reduces the number of pins needed to drive common lcd displays i2c only uses 2 instead of the 14 or 16 normally required the backpack is designed to drive the many standard lcds that have a 1 x 16 pin or 1 x 14 pin interface hd44780 compatible adafruit supply a href http learn adafruit com i2c spi lcd backpack a free software library and tutorial a for getting started with the bac