This is a simple work to get started with arduino programming. It's an online calculator that makes operation between operand, using a keypad (4*4) and an lcd1602.

The background project for this code could be a simple calculator using an Arduino 3.2" TFT LCD Touch Screen. The touch screen would have buttons that perform basic arithmetic operations such as ...

This Arduino BASIC interpreter will make a really fun one-day project if you’ve already got the parts on hand. [Usmar A. Padow] put together an Arduino Uno, SD card, four line character LCD, and ...