Komponendid:

– Arduino Uno R3 plaat

– 9 takistit R1 1 kOhmi kohta

– 3 punast LED-i

– 3 rohelist LED-i

– 3 sinist LED-i

– Potentsiomeeter Rpot1

See on skeem

Töö edenemine:

1. Tinkercade’is paneme kokku potentsiomeetri skeemi, mis oli antud teises ülesandes.

2. Kirjutame selle vooluringi koodi.

int sensorPin = 0;

int ledred1 = 13; // red
int ledblue1 = 12; // blue
int ledgreen1 = 11; // green
int ledred2 = 10; // red
int ledblue2 = 9; // blue
int ledgreen2 = 8; // green
int ledred3 = 7; // red
int ledblue3 = 6; // blue
int ledgreen3 = 5; // green

int sensorValue = 0;
int Value_new;

void setup() {
  pinMode(ledred1, OUTPUT);
  pinMode(ledred2, OUTPUT);
  pinMode(ledred3, OUTPUT);
  pinMode(ledblue1, OUTPUT);
  pinMode(ledblue2, OUTPUT);
  pinMode(ledblue3, OUTPUT);
  pinMode(ledgreen1, OUTPUT);
  pinMode(ledgreen2, OUTPUT);
  pinMode(ledgreen3, OUTPUT);
}

void red() {
  digitalWrite(ledred1, HIGH);
  digitalWrite(ledred2, HIGH);
  digitalWrite(ledred3, HIGH);
  delay(100);
  digitalWrite(ledred1, LOW);
  digitalWrite(ledred2, LOW);
  digitalWrite(ledred3, LOW);
  delay(100);
}

void blue() {
  digitalWrite(ledblue1, HIGH);
  digitalWrite(ledblue2, HIGH);
  digitalWrite(ledblue3, HIGH);
  delay(200);
  digitalWrite(ledblue1, LOW);
  digitalWrite(ledblue2, LOW);
  digitalWrite(ledblue3, LOW);
  delay(200);
}

void green() {
  digitalWrite(ledgreen1, HIGH);
  digitalWrite(ledgreen2, HIGH);
  digitalWrite(ledgreen3, HIGH);
  delay(100);
  digitalWrite(ledgreen1, LOW);
  digitalWrite(ledgreen2, LOW);
  digitalWrite(ledgreen3, LOW);
  delay(100);
}

void loop() {
  Value_new = analogRead(sensorPin);
  Value_new = map(Value_new, 0, 1023, 1, 4);
  if (Value_new == 2) {
    red();
  } else if (Value_new == 3) {
    blue();
  } else if (Value_new == 4) {
    green();
  } else {
    digitalWrite(ledred1, LOW);
    digitalWrite(ledred2, LOW);
    digitalWrite(ledred3, LOW);
    digitalWrite(ledblue1, LOW);
    digitalWrite(ledblue2, LOW);
    digitalWrite(ledblue3, LOW);
    digitalWrite(ledgreen1, LOW);
    digitalWrite(ledgreen2, LOW);
    digitalWrite(ledgreen3, LOW);
  }
}

3. Kontrollige funktsionaalsust.

4. Panime vooluringi kokku ja laadime koodi Arduino IDE kaudu plaadile.

Ja selgub, et kui potentsiomeetrit kerida, süttivad kõigepealt punased lambid, siis sinised ja siis rohelised!