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 :- const int LED1 = 7; const int LED2 = 6; const int LED3 = 5; const int BUTTON1 = 2; const int BUTTON2 = 3; const int BUTTON3 = 0; const int BUTTON4 = 1; int Buttonmodel = 0; int Buttonmode2 = 0; int Buttonmode3 = 0; int Buttonmode4 = 0; void setup () { // put your setup code here, to run once: pinMode(LED1,OUTPUT); pinMode(LED2, OUTPUT); pinMode(LED3, OUTPUT); pinMode(BUTTON1,INPUT); pinMode(BUTTON2,INPUT); pinMode(BUTTON3,INPUT); pinMode(BUTTON4,INPUT); } void loop(){ //First LED interface Buttonmode1 == digitalRead(BUTTONl); if(Buttonmode1 = HIGH) { digitalWrite(LED1,HIGH); } //Second LED interface Butonmode2 = digita1Read (BUTTON2); if(Buttonmode2 = HIGH) { digitalWrite(LED2,HIGH); } //Third LED interface Buttonmode3 = digitalRead(BUTTON3); if(Buttonmode3 = HIGH); { digitalWrite(LED3,HIGH); } //Fourth...
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