1: Simple Internet Appliance

First program: blinking LED light

int ledPin1 = D2;
int ledPin2 = D3;

void setup() {
    pinMode(ledPin1, OUTPUT); // Use D2 as output pin
    digitalWrite(ledPin1, LOW);
    pinMode(ledPin2, OUTPUT); 
    digitalWrite(ledPin2, LOW);
}

void loop() {
    digitalWrite(ledPin1, HIGH);
    delay(1000);
    digitalWrite(ledPin1, LOW);
    delay(1000);
  }

Click to Expand

dev1 ex0

Youngjoo Lee - https://youtu.be/Y_U0YUcKygY

Exercise 1: Modify the program to blink on and off every 3 seconds.

int ledPin1 = D2;
int ledPin2 = D3;

void setup() {
    pinMode(ledPin1, OUTPUT); // Use D2 as output pin
    digitalWrite(ledPin1, LOW);
    
    pinMode(ledPin2, OUTPUT); 
    digitalWrite(ledPin2, LOW);
}

void loop() {
    digitalWrite(ledPin1, HIGH);
    delay(3000);
    digitalWrite(ledPin1, LOW);
    delay(3000);
}

Click to Expand

dev1 ex1

Youngjoo Lee - https://youtu.be/x0BHpdE_kNM

Exercise 2: Change the program to blink on and off 5 times then stop for 3 seconds. Each blink should be 0.5s (a half second)

int ledPin1 = D2;
int ledPin2 = D3;

void setup() {
    pinMode(ledPin1, OUTPUT); // Use D2 as output pin
    digitalWrite(ledPin1, LOW);
    
    pinMode(ledPin2, OUTPUT); 
    digitalWrite(ledPin2, LOW);
}

void loop() {
    for (int i = 1; i<6; i++){
        digitalWrite(ledPin1, HIGH);
        delay(500);
        digitalWrite(ledPin1, LOW);
        delay(500);
    }
    delay(3000)
}

Click to Expand

dev1 ex2

Youngjoo Lee - https://youtu.be/H0nZymzpgcE

Exercise 3: Go back to the original program. Now add a second LED to the circuit. Program the LED’s to alternate blinks i.e. when LED 1 turns on, LED 2 turns off, then when LED 2 turns on, LED 1 turns off.

int ledPin1 = D2;
int ledPin2 = D3;

void setup() {
    pinMode(ledPin1, OUTPUT); // Use D2 as output pin
    digitalWrite(ledPin1, LOW);
    
    pinMode(ledPin2, OUTPUT); 
    digitalWrite(ledPin2, LOW);
}

void loop() {
    digitalWrite(ledPin1, HIGH);
    digitalWrite(ledPin2, LOW);
    delay(1000);
    digitalWrite(ledPin1, LOW);
    digitalWrite(ledPin2, HIGH);
    delay(1000);
}

Click to Expand

dev1 ex3

Youngjoo Lee - https://youtu.be/DVpDMfvm9PE

Reflection

The exercises were completed as instructed. There were no experiments or explorations required to complete these tasks as they required fairly simple modifications from the initial program.

In going forwards, I would like to work on the exercises for working with functions through Particle Cloud.

Reflection

Start the Conversation

Share this Project

Found In

Skills Dev I: Simple Internet Appliance

Courses

48-675 Designing for the Internet of Things

· 13 members

About