* This sketch shows you how to use the 16x2 LCD display * using the I2C backpack adaptor. This way, we can save a * lot of digital pins on the Arduino.
This is an Arduino library for HD44780 LCD display, operated in 4 bit mode over I2C bus with 8-bit I/O expander PCF8574 ...
The I2C (Inter-Integrated Circuit) bus is a synchronous serial communication protocol that allows multiple electronic components (sensors, displays, memories, etc.) to be connected within the same ...