Arduino – CLCD with I2C – Cursor
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#include <Wire.h> #include <LiquidCrystal_I2C.h> LiquidCrystal_I2C lcd(0x27,16,2); // or 0x3F int buttonCursor=4; int positions=0; unsigned long cnt=0; void setup() { pinMode(buttonCursor, INPUT); lcd.init(); delay(1000); lcd.backlight(); lcd.setCursor(0,0); lcd.print("Cursor"); lcd.setCursor(0,1); } void loop() { if (digitalRead(buttonCursor) && cnt==0) { lcd.print("a"); cnt=millis(); } else if (millis() > cnt+300) { cnt=0; } } |