Introduction: Arduino Calculator 2.0

This project originated from

I add/replaced

- Add a button

- Add an led bulb

- Case for the calculator


This project only requires materials that are easily accessible:

- Arduino Leonardo

- USB Type-A

- Arduino Button

- Led bulb

Step 1: Connect Button and Led

- Connect the Arduino button to the Arduino board, by connecting the wire of the button to Analog in.

- Connect the led to the board by connecting the led to one positive and one negative.

Step 2: Connect USB a to Computer

Plugin the USB type-A to your computer and the board, upload the code.

Step 3: Code

Step 4: Upload and Your Done!

Upload the code to the board and you can use your calculator anytime you want! Get rekt, math homework!