All by itself, a calculator based on an Arduino isn’t necessarily very novel ... As an inexpensive development board, it’s handy to have a simple processor with a keyboard and a display.

An Arduino is a popular open-source single-board microcontroller. Learn how to program one and let the possibilities take shape. By The Big Book Of Hacks Published Jan 10, 2013 3:00 AM EST Get the ...

Using a CNC machine, the calculator has been constructed using a wooden case together with acrylic screen protector, and a little Arduino hardware. Featuring an Arduino Nano microcontroller board ...