38 lines
764 B
Plaintext
38 lines
764 B
Plaintext
/*
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* Displays text sent over the serial port (e.g. from the Serial Monitor) on
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* an attached LCD.
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*/
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#include <Wire.h>
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#include <LiquidCrystal_I2C.h>
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#define BACKLIGHT_PIN 13
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LiquidCrystal_I2C lcd(0x38); // set the LCD address to 0x38
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void setup()
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{
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pinMode ( BACKLIGHT_PIN, OUTPUT );
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lcd.begin (16,2);
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digitalWrite ( BACKLIGHT_PIN, HIGH );
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Serial.begin(57600);
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}
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void loop()
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{
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// when characters arrive over the serial port...
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if (Serial.available())
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{
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// wait a bit for the entire message to arrive
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delay(100);
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// clear the screen
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lcd.clear();
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// read all the available characters
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while (Serial.available() > 0)
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{
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// display each character to the LCD
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lcd.write(Serial.read());
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}
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}
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}
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