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- /* YourDuino.com Example Software Sketch
- 16 character 2 line I2C Display
- Backpack Interface labelled "A0 A1 A2" at lower right.
- ..and
- Backpack Interface labelled "YwRobot Arduino LCM1602 IIC V1"
- MOST use address 0x27, a FEW use 0x3F
- terry@yourduino.com */
- /*-----( Import needed libraries )-----*/
- #include <Wire.h> // Comes with Arduino IDE
- // Get the LCD I2C Library here:
- // https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads
- // Move any other LCD libraries to another folder or delete them
- // See Library "Docs" folder for possible commands etc.
- #include <LiquidCrystal_I2C.h>
- /*-----( Declare Constants )-----*/
- /*-----( Declare objects )-----*/
- // set the LCD address to 0x27 for a 16 chars 2 line display
- // A FEW use address 0x3F
- // Set the pins on the I2C chip used for LCD connections:
- // addr, en,rw,rs,d4,d5,d6,d7,bl,blpol
- LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); // Set the LCD I2C address
- /*-----( Declare Variables )-----*/
- //NONE
- void setup() /*----( SETUP: RUNS ONCE )----*/
- {
- Serial.begin(9600); // Used to type in characters
- lcd.begin(16,2); // initialize the lcd for 16 chars 2 lines, turn on backlight
- // ------- Quick 3 blinks of backlight -------------
- for(int i = 0; i< 3; i++)
- {
- lcd.backlight();
- delay(250);
- lcd.noBacklight();
- delay(250);
- }
- lcd.backlight(); // finish with backlight on
- //-------- Write characters on the display ------------------
- // NOTE: Cursor Position: (CHAR, LINE) start at 0
- lcd.setCursor(0,0); //Start at character 4 on line 0
- lcd.print("Hello, world!");
- delay(1000);
- lcd.setCursor(0,1);
- lcd.print("HI!YourDuino.com");
- delay(8000);
- // Wait and then tell user they can start the Serial Monitor and type in characters to
- // Display. (Set Serial Monitor option to "No Line Ending")
- lcd.clear();
- lcd.setCursor(0,0); //Start at character 0 on line 0
- lcd.print("Use Serial Mon");
- lcd.setCursor(0,1);
- lcd.print("Type to display");
- }/*--(end setup )---*/
- void loop() /*----( LOOP: RUNS CONSTANTLY )----*/
- {
- {
- // when characters arrive over the serial port...
- if (Serial.available()) {
- // wait a bit for the entire message to arrive
- delay(100);
- // clear the screen
- lcd.clear();
- // read all the available characters
- while (Serial.available() > 0) {
- // display each character to the LCD
- lcd.write(Serial.read());
- }
- }
- }
- }/* --(end main loop )-- */
- /* ( THE END ) */
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