Arduino LED Circuit — Arduino Uno simulation

Arduino Uno with a red LED and 330-ohm resistor on a breadboard.

An interactive Arduino Uno circuit simulation you can run free in your browser on Velxio, by robomozyr.

Components

Sketch code

// Blink LED Example
// Toggles the built-in LED on pin 13
#include <NewPing.h>
NewPing sonar(3,2,410);
void setup() {
  Serial.begin(9600);
  for(int i=4;i<14;i++){
  pinMode(i, OUTPUT);
}
}
void loop() {
 int distance=sonar.ping_cm();
 Serial.print("Sonar: ");
 Serial.println(distance);
 if(distance<100){
 for (int i=4;i<14;i++){
  digitalWrite(i,1);
 }
  }
  if(distance>100){
 for (int i=4;i<7;i++){
  digitalWrite(i,1);
}
if(distance>100);
for(int i=4;i<6;i++){
digitalWrite(i,1);
}
for(int i=6;i<14;i++){
digitalWrite(i,0);
}
  }
}

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