Introduction: Arduino Controlled Touchscreen Calculator

You can use a touchscreen display and an Arduino to make a functioning calculator.


- 1 Arduino Mega/Due

- 1 3.5 In Touchscreen Display

Step 1: YouTube Tutorial:

Step 2: Notes:

The default screen size is 3.5 inches so if you have a different screen size you will need to adapt the dimensions in the code.

Step 3: Notes for Downloading Code:

When downloading the code make a new sketch and add 11 new tabs and paste each sketch of the code into these tabs.

Step 4: Code:

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