Two I2C lcd displays together did not work correct. I try: LiquidCrystal_I2C lcd2(0x20,16,2); LiquidCrystal_I2C lcd3(0x21,16,2); In void setup: lcd2.init(); lcd2.backlight(); lcd3.init(); lcd3.backlight(); It works, but not long. The second display shows after some times wrong characters an…

Two I2C lcd displays did not work together

system April 23, 2013, 11:04am 3

Yes, they have different addresses. I test this with a I2C scanner.

Micky