mirror of https://github.com/arendst/Tasmota.git
35 lines
811 B
Plaintext
35 lines
811 B
Plaintext
|
/*
|
||
|
|
* Displays text sent over the serial port (e.g. from the Serial Monitor) on
|
||
|
|
* an attached LCD.
|
||
|
|
* YWROBOT
|
||
|
|
*Compatible with the Arduino IDE 1.0
|
||
|
|
*Library version:1.1
|
||
|
|
*/
|
||
|
|
#include <Wire.h>
|
||
|
|
#include <LiquidCrystal_I2C.h>
|
||
|
|
|
||
|
|
LiquidCrystal_I2C lcd(0x27,20,4); // set the LCD address to 0x27 for a 16 chars and 2 line display
|
||
|
|
|
||
|
|
void setup()
|
||
|
|
{
|
||
|
|
lcd.init(); // initialize the lcd
|
||
|
|
lcd.backlight();
|
||
|
|
Serial.begin(9600);
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop()
|
||
|
|
{
|
||
|
|
// 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());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|