กดสวิตไฟติด

int i=0; void setup() { pinMode(D4,OUTPUT); pinMode(D1,INPUT); pinMode(D2,OUTPUT);// put your setup code here, to run once: } void loop() { if(digitalRead(D1)==0) // put your main code here, to run repeatedly: { i+=1; while(digitalRead(D1)==0){} } if(i==1) { digitalWrite(D2,1); digitalWrite(D4,0); } if(i==2) { digitalWrite(D2,0); digitalWrite(D4,1); } if(i==3) { digitalWrite(D2,1); digitalWrite(D4,1); } if(i==4) { digitalWrite(D2,0); digitalWrite(D4,0); i=0; } delay(100); }