Arduino – CLCD – second
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#include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); // or 0x3F unsigned long times=0; void setup() { lcd.init(); delay(1000); lcd.backlight(); lcd.setCursor(0,0); lcd.print("Hello World!"); } void loop() { lcd.setCursor(0,1); times=millis() / 1000; lcd.print(times); } |