Build your own RPN Calculator

Calculator enthusiasts and those of you who enjoy making things will often get to the point where you think "I'll make my own darn calculator"... and one person who took this from idea to execution is Shinsaku Hiura who shows us their lovely RPN calculator:

The electronic hardware was quite simple - an Arduino Nano-compatible board, an I2C LCD and the guts of a commercially-available numeric keypad. What is striking and a lovely point of difference is the custom-made wooden enclosure which adds a level of warmth not usually found in modern calculators. Consider the video below for more information:

For more information on how to reproduce this yourself, visit the calculator's instructable page.  

If you're interested in making your own version, PMD Way has you covered with a huge range of parts including Arduino Nano-compatible boards, 2004 I2C LCD modules, jumper wires and more.