const char* MorseTable[] = {
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
// space, !, “, #, $, %, &, ‘
NULL, “-.-.–“, “.-..-.”, NULL, NULL, NULL, NULL, “.—-.”,
// ( ) * + , – . /
“-.–.”, “-.–.-“, NULL, “.-.-.”, “–..–“, “-….-“, “.-.-.-“, “-..-.”,
// 0 1 2 3 4 5 6 7
“—–“, “.—-“, “..—“, “…–“, “….-“, “…..”, “-….”, “–…”,
// 8 9 : ; < = > ?
“—..”, “—-.”, “—…”, “-.-.-.”, NULL, “-…-“, NULL, “..–..”,
// @ A B C D E F G
“.–.-.”, “.-“, “-…”, “-.-.”, “-..”, “.”, “..-.”, “–.”,
// H I J K L M N O
“….”, “..”, “.—“, “-.-“, “.-..”, “–“, “-.”, “—“,
// P Q R S T U V W
“.–.”, “–.-“, “.-.”, “…”, “-“, “..-“, “…-“, “.–“,
// X Y Z [ \ ] ^ _
“-..-“, “-.–“, “–..”, NULL, NULL, NULL, NULL, “..–.-“,
// ‘ a b c d e f g
NULL, “.-“, “-…”, “-.-.”, “-..”, “.”, “..-.”, “–.”,
// h i j k l m n o
“….”, “..”, “.—“, “-.-“, “.-..”, “–“, “-.”, “—“,
// p q r s t u v w
“.–.”, “–.-“, “.-.”, “…”, “-“, “..-“, “…-“, “.–“,
// x y z { | } ~ DEL
“-..-“, “-.–“, “–..”, NULL, NULL, NULL, NULL, NULL,
};

int dotLength = 500;
int dashLength = dotLength*3;

void setup() {
// put your setup code here, to run once:
pinMode(13, OUTPUT);
Serial.begin(9600);
}

void loop() {
char ch;
if(Serial.available()){
ch = Serial.read();
flashDashDot(MorseTable[ch]);
delay(dotLength*2);
}
}

void flashDashDot(const char * morseCode)
{
int i = 0;
while(morseCode[i] != 0)
{
if(morseCode[i] == ‘.’){
dot();
} else if (morseCode[i] == ‘-‘){
dash();
}
i++;
}
}

void dot()
{
digitalWrite(13, HIGH);
delay(dotLength);
digitalWrite(13, LOW);
delay(dotLength);
}

void dash()
{
digitalWrite(13, HIGH);
delay(dashLength);
digitalWrite(13, LOW);
delay(dotLength);
}

int laserPin = 13;

void setup ()
{
pinMode(laserPin, OUTPUT);
}

void loop () {
digitalWrite(laserPin, HIGH);
delay(2000);
digitalWrite(laserPin, LOW);
delay(2000);
}

Programmis on vead sees, mis tuleb üles leida, et programm töötaks!

// defines pins numbers

const int trigPin = 9;

const int echoPin = 10;

// defines variables

long duration;

int distance;

void setup() {

pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output

pinMode(echoPin, INPUT); // Sets the echoPin as an Input

Serial.begin(9600); // Starts the serial communication

}

void loop() {

// Clears the trigPin

digitalWrite(trigPin, LOW);

delayMicroseconds(2);

// Sets the trigPin on HIGH state for 10 micro seconds

digitalWrite(trigPin, HIGH);

delayMicroseconds(10);

digitalWrite(trigPin, LOW);

// Reads the echoPin, returns the sound wave travel time in microseconds

duration = pulseIn(echoPin, HIGH);

// Calculating the distance

distance= duration*0.034/2;

// Prints the distance on the Serial Monitor

Serial.print(“Distance: “);

Serial.println(distance);

}

Programmis on vead sees, mis tuleb üles leida, et programm töötaks!

#define echoPin 2 // attach pin D2 Arduino to pin Echo of HC-SR04

#define trigPin 3 //attach pin D3 Arduino to pin Trig of HC-SR04

// defines variables

long duration; // muutuja helilainete liikumise kestuse jaoks

int distance; // muutuja kauguse mõõtmiseks

void setup() {

  pinMode(trigPin, OUTPUT); // Sets the trigPin as an OUTPUT

  pinMode(echoPin, INPUT); // Sets the echoPin as an INPUT

  Serial.begin(9600); // // Serial Communication is starting with 9600 of baudrate speed

  Serial.println(“Ultrasonic Sensor HC-SR04 Test”); // print some text in Serial Monitor

  Serial.println(“with Arduino UNO R3”);

}

void loop() {

  // Clears the trigPin condition

  digitalWrite(trigPin, LOW);

  delayMicroseconds(2);

  // Sets the trigPin HIGH (ACTIVE) for 10 microseconds

  digitalWrite(trigPin, HIGH);

  delayMicroseconds(10);

  digitalWrite(trigPin, LOW);

  // Reads the echoPin, returns the sound wave travel time in microseconds

  duration = pulseIn(echoPin, HIGH);

  // Calculating the distance

  distance = duration * 0.034/2; // Speed of sound wave divided by 2 (go and back)

  // Displays the distance on the Serial Monitor

  Serial.print(“Distance: “);

  Serial.print(distance);

  Serial.println(” cm”);

}

Võimalik lahenduskäik/programm.

void setup() {

pinMode(4, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);

}

void loop() {
digitalWrite(4, LOW);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, HIGH);
digitalWrite(9, HIGH);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);
delay(2000);

digitalWrite(4, LOW);
digitalWrite(6, HIGH);
digitalWrite(7, LOW);
digitalWrite(8, LOW);
digitalWrite(9, HIGH);
digitalWrite(10, LOW);
digitalWrite(11, LOW);
delay(2000);

digitalWrite(4, HIGH);
digitalWrite(6, LOW);
digitalWrite(7, HIGH);
digitalWrite(8, HIGH);
digitalWrite(9, HIGH);
digitalWrite(10, HIGH);
digitalWrite(11, LOW);
delay(2000);

digitalWrite(4, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, LOW);
digitalWrite(9, HIGH);
digitalWrite(10, HIGH);
digitalWrite(11, LOW);
delay(2000);

digitalWrite(4, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, LOW);
digitalWrite(8, LOW);
digitalWrite(9, HIGH);
digitalWrite(10, LOW);
digitalWrite(11, HIGH);
delay(2000);

digitalWrite(4, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, LOW);
digitalWrite(9, LOW);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);
delay(2000);

digitalWrite(4, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, HIGH);
digitalWrite(9, LOW);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);
delay(2000);

digitalWrite(4, LOW);
digitalWrite(6, HIGH);
digitalWrite(7, LOW);
digitalWrite(8, LOW);
digitalWrite(9, HIGH);
digitalWrite(10, HIGH);
digitalWrite(11, LOW);
delay(2000);

digitalWrite(4, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, HIGH);
digitalWrite(9, HIGH);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);
delay(2000);

digitalWrite(4, HIGH);
digitalWrite(6, HIGH);
digitalWrite(7, HIGH);
digitalWrite(8, LOW);
digitalWrite(9, HIGH);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);
delay(2000);

}