Arduino LED Circuit — Arduino Uno simulation

A simple circuit with an Arduino Uno, a red LED, and a 10k resistor on a mini 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=6;i<14;i++){
    digitalWrite(i,1);
   }
  for(int i=6;i<14;i++){
    digitalWrite(i,0);
   }
 } 
}

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