An AVR Atmega library for multiple HD44780 based LCD connected through i2c http://dangerousprototypes.com/blog/2016/08/04/an-avr-atmega-library-for-multiple-hd44780-based-lcd-connected-through-i2c/
STE{A}M+[Power Electronics]
An AVR Atmega library for multiple HD44780 based LCD connected through i2c http://dangerousprototypes.com/blog/2016/08/04/an-avr-atmega-library-for-multiple-hd44780-based-lcd-connected-through-i2c/