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Serial display
// include the library code:
#include <LiquidCrystal.h>
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(13, 12, 10, 9, 8, 7);
void setup(){
// set up the LCD's number of columns and rows:
lcd.begin(16, 2);
// initialize the serial communications:
lcd.write("Serial Display");
void loop()
// when characters arrive over the serial port...
if (Serial.available()) {
// wait a bit for the entire message to arrive
// clear the screen
// read all the available characters
while (Serial.available() > 0) {
// display each character to the LCD
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