Here i am using online IDE Tinkercad . If you don't know what is tinkercad then refer my blog HERE or else you can use offline IDE also. Code :- #include <LiquidCrystal.h> LiquidCrystal lcd(12, 11, 5, 4, 3, 2); int buttonState1 = 0; int buttonState2 = 0; int buttonState3 = 0; int buttonState4 = 0; void setup() { lcd.begin(16, 2); pinMode(6, INPUT); pinMode(7, INPUT); pinMode(8, INPUT); pinMode(9, INPUT); Serial.begin(9600); } void loop() { if(digitalRead(6)== HIGH){ for(int i = 0 ; i<=9 ; i++) {lcd.setCursor(0,0); lcd.print(i); delay(500); } } if(digitalRead(7)== HIGH){ for(int i = 00 ; i<=99 ; i++) {lcd.setCursor(0,0); lcd.print(i); delay(500); } } if(digitalRead(...
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