blister

const els = 10000000;
console.log('setup -> ' + els);
const opts = { 0: 'Fail!', 1: 'Publish!', 2: 'Publish!' };
let arr = [];
for ( let i = 0; i < els; ++i ) {
	if ( Math.floor(Math.random() * 12) > 8 ) {
		arr.push('good');
	} else {
		arr.push('bad');
	}

blister

  void loop() {
    // put your main code here, to run repeatedly:
    long dist = msToCm(ping());

    if ( dist < 100.00 ) {
      toneCounter = 0;

      // 1    == min distance in cm
      // 100  == max distance in cm
      // 1500 == max frequency

blister

	void loop() {
		// put your main code here, to run repeatedly:
		long dist = msToCm(ping());

		if ( dist < 100.00 ) {
			toneCounter = 0;

			// 1    == min distance in cm
			// 100  == max distance in cm
			// 1500 == max frequency

blister

	#define led 13
	#define buzzer 3
	#define echoPin A0
	#define pingPin 10

	int toneCounter = 0;

	void setup() {
		// put your setup code here, to run once:
		Serial.begin(9600);

blister

void blink(int blinks) {
    for ( int i = 0; i <= blinks; i++ ) {
        digitalWrite(led, HIGH);
        delay(250);
        digitalWrite(led, LOW);
        delay(250);
    }
}

blister

    long ping() {

      long duration;

      // clear ping pin
      digitalWrite(pingPin, LOW);
      delayMicroseconds(2);

      digitalWrite(pingPin, HIGH);
      delayMicroseconds(10);

blister

    void playNote(int note, int duration, float rest) {
      digitalWrite(led, HIGH);
      tone(buzzer, note, duration);
      delay((duration * rest)/2);
      digitalWrite(led, LOW);
      delay((duration * rest)/2);
    }

blister

    void loop() {
      delay(50);
      // See if an object is in front of us
      int distance = msToCm(ping());

      //Serial.println(distance);
      if ( distance < detectionDistance ) {
        // get a random song
        playNote(NOTE_G5, 100, .1);
      }

blister

    #include "Pitches.h"

    /************************/

    /** PIN CONFIGURATIONS **/

    /************************/

    #define led 13
    #define buzzer 3

blister

void blink(int blinks) {
    for ( int i = 0; i <= blinks; i++ ) {
        digitalWrite(led, HIGH);
        delay(250);
        digitalWrite(led, LOW);
        delay(250);
    }
}