Distance magic

Arduino IDE

<pre ><code >const int echo = 13; const int trig = 12; const int LED1 =8; const int LED2 =7; const int LED3 =6; const int LED4 =5; const int LED5 =4; int duration = 0; int distance = 0; void setup() { pinMode(trig,OUTPUT); pinMode(echo,INPUT); pinMode(LED1,OUTPUT); pinMode(LED2,OUTPUT); pinMode(LED3,OUTPUT); pinMode(LED4,OUTPUT); pinMode(LED5,OUTPUT); Serial.begin(9600); } void loop() { digitalWrite(trig,HIGH); delayMicroseconds(1000); digitalWrite(trig,LOW); duration = pulseIn(echo,HIGH); distance = (duration/2)/28.5; Serial.begin(distance); if(distance <=7) { digitalWrite(LED1,HIGH); } else { digitalWrite(LED1,LOW); } if(distance <=7) { digitalWrite(LED1,HIGH); } else { digitalWrite(LED1,LOW); } if(distance <=14) { digitalWrite(LED2,HIGH); } else { digitalWrite(LED2,LOW); } if(distance <=21) { digitalWrite(LED3,HIGH); } else { digitalWrite(LED3,LOW); } if(distance <=28) { digitalWrite(LED4,HIGH); } else { digitalWrite(LED4,LOW); } if(distance <=35) { digitalWrite(LED5,HIGH); } else { digitalWrite(LED5,LOW); } } </code></pre>

Distance magic

Fun project