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This instructables tutorial shows how to control an LED using a small push-to-on button and an ARDUINO.

Step 1: COMPONENTS REQUIRED

HARDWARE:

- 1 x ARDUINO / GENUINO UNO(I used the R3)

- 1 x BREADBOARD

- 1 x USB A-B CABLE

- 1 x SMALL PSHBUTTON

- 7 x MALE TO MALE JUMPER CABLES

- 1 x 10k ohm RESISTOR

SOFTWARE:

ARDUINO IDE

Step 2: CIRCUIT

CONNECT:

BUTTON TO PIN D-2

GND TO BUTTON VIA 10k RESISTOR

5V TO 5V

Step 3: CODE

WE'LL USE AN INBUILT CODE AGAIN.

FIRST OPEN THE ARDUINO IDE

CLICK ON FILE

CLICK ON EXAMPLES

CLICK ON 2.DIGITAL

SELECT BUTTON

Step 4: HOW IT WORKS

In the code, the LED is defined as pin 13, because the 'L LED' is connected to pin D-13.

When the button is pressed, the 'L LED' is turned on.

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