Welcome Machine

This project Use Led bulb and the Piezo to make a machine. The function of this machine is that when people can in your home the piezo will make the noise so that you can know it. Also, there will be a Hi that use the LED light bulb.

Step 1: Prepare for Material

Part list:

  • 1 x Arduino LEONARDO
  • 13 LED light bulb
  • 7 Resister
  • 1 x Ultrasonic Distance sensor
  • 1 x Pizeo
  • plenty of wires

Step 2: Programming the Arduino

int ardublockUltrasonicSensorCodeAutoGeneratedReturnCM(int trigPin, int echoPin)

{ long duration; pinMode(trigPin, OUTPUT); pinMode(echoPin, INPUT); digitalWrite(trigPin, LOW); delayMicroseconds(2); digitalWrite(trigPin, HIGH); delayMicroseconds(20); digitalWrite(trigPin, LOW); duration = pulseIn(echoPin, HIGH); duration = duration / 59; if ((duration < 2) || (duration > 300)) return false; return duration; }

void setup() { digitalWrite( 6 , LOW );

pinMode( 5 , OUTPUT); pinMode( 8 , OUTPUT); pinMode( 9 , OUTPUT); pinMode( 10 , OUTPUT); pinMode( 11 , OUTPUT); pinMode( 12 , OUTPUT); pinMode( 13 , OUTPUT); }

void loop() { if (( ( ( ardublockUltrasonicSensorCodeAutoGeneratedReturnCM( 6 , 7 ) ) > ( 10.0 ) ) && ( ( ardublockUltrasonicSensorCodeAutoGeneratedReturnCM( 6 , 7 ) ) < ( 20.0 ) ) )) { digitalWrite( 5 , HIGH ); digitalWrite( 8 , HIGH ); digitalWrite( 9 , HIGH ); digitalWrite( 10 , HIGH ); digitalWrite( 11 , HIGH ); digitalWrite( 12 , HIGH ); digitalWrite( 13 , HIGH ); tone(3, 660.0, 1000.0); } else { digitalWrite( 5 , LOW ); digitalWrite( 8 , LOW ); digitalWrite( 9 , LOW ); digitalWrite( 10 , LOW ); digitalWrite( 11 , LOW ); digitalWrite( 12 , LOW ); digitalWrite( 13 , LOW ); noTone(3); } }

Step 3: The Circuit

Step 4: Finish and Testing the Proejct

Step 5:

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