![]() ![]() If you have an LCD 20x4 and you want to print a message to column five and third row you have to use: lcd.setCursor(4,2). The lcd.setCursor (0,1) command will set cursor to first column of second row. The message must have maximum length equal to lcd columns number.įor example, for 16 columns display max length is equal with 16 and for 20 columns display max length is equal with 20. The lcd.print (-message-) command print a message to first column and row of lcd display. ![]() The 4-bit mode requires seven IO pins from the Arduino, while the 8-bit mode requires 11 pins.įor displaying text on the screen, you can do most everything in 4-bit mode, so in this tutorial we will use 4-bit mode.Īdd Tip Ask Question Comment Download Step 3: The Circuit The connections are easy, see the image above with the breadboard circuit schematic.Īdd Tip Ask Question Comment Download Step 4: The Code Heres the code, embedded using codebender The lcd.begin (16,2) command set up the LCD number of columns and rows.įor example, if you have an LCD with 20 columns and 4 rows (20x4) you will have to change this to lcd.begin(20x4). ![]()
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