20x4 LCD needs to be connected to 6 PINS
20x4 LCD needs to be connected to 6 PINS . Liquidcrystal lcd(12, 11, 5, 4, 3, 2); Find code and diagrams at: Using a 20x4 I2C Character LCD display with Arduino Uno from www.electronics-lab.com // set the lcd address to 0x27 for a 16 chars and 2 line display. First download the liquidcrysta_i2cl library, then we will display the words “hambo elektronik” on the first line and on the third line, we will display the words test. //by zouari mehdi #include <wire.h> #include <liquidcrystal_i2c.h> liquidcrystal_i2c lcd(0x27,16,2);