Midterm projects, Analog output

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The sensor used: ELEGOO 5PCS HC-SR04 Ultrasonic Module Distance Sensor 

for Arduino UNO MEGA2560 Nano Robot XBee ZigBee



 Making sure the ultrasonic module distance sensor is connected and reading:



P5: https://editor.p5js.org/heestar-knotty/sketches/9-BJ0SCFr

function draw() {

  background(255);

  let safetyDistance = parseInt(latestData);
  if (safetyDistance <= 50) {
    background(random(255), random(255), 255);

  } else {}

}


Resource link:
https://www.elithecomputerguy.com/2019/06/hc-sr04-ultrasonic-distance-sensor-audio-alert-with-arduino/

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