Tutorial for Arduino Beginners PART I

Create a short array of LEDs which switch on and off from the press of a button.

Jan 5, 2019

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leds

inexpensive

education

Components and supplies

Pushbutton switch 12mm

Arduino UNO

Breadboard (generic)

5 mm LED: Red

5 mm LED: Green

Jumper wires (generic)

Tools and machines

Long-nosed/Needle-nosed pliers

Apps and platforms

Arduino IDE

Project description

Code

LEDs with serial monitor

arduino

Paste the code into a new, empty Arduino IDE window. Plug in your Arduino Uno, via the USB connection cord. Then, from the top toolbar, click Tools>Boards and click Arduino Uno. Go back into tools and click ports. Click the one that you Arduino board is in. Now, you're done! Near the toolbar, you'll see the final button: Upload (->), and feel the joy as Arduino IDE uploads the code to your robot. Now, we just need to use it. Go to the RUNNING step and follow the instructions.

1int outPin = 13;
2void setup(){
3
4  pinMode(outPin,OUTPUT);
5  Serial.begin(9600);
6  Serial.println("Enter 0 or 1");
7}
8void loop(){
9  if(Serial.available()>0)
10  {
11    char ch = Serial.read();
12    if (ch  == '1')
13  {
14    digitalWrite(outPin,1);
15  }
16  else if (ch == '0')
17  {
18    digitalWrite(outPin,LOW);
19 }
20
21}
22}

int outPin = 13;
void setup(){

  pinMode(outPin,OUTPUT);
  Serial.begin(9600);
  Serial.println("Enter 0 or 1");
}
void loop(){
  if(Serial.available()>0)
  {
    char ch = Serial.read();
    if (ch  == '1')
  {
    digitalWrite(outPin,1);
  }
  else if (ch == '0')
  {
    digitalWrite(outPin,LOW);
 }

}
}

Downloadable files

The Finished Project

The project is now finished!

The Finished Project

The project is now finished!

The Finished Project

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