We’ve talked about the Sinclair scientific calculator before many times ... now you can build your own using — what else — an Arduino thanks to [Arduino Enigma]. There’s a video, below ...

Given how cheap Arduino clones can be had online, this is becoming a more common practice. The construction of this calculator reminds us a bit of the DIY Sinclair scientific calculator we looked ...

This is the SB116, an 8-bit programmer’s calculator powered by an Arduino Nano. It features a 128 x 64 pixel monochrome OLED display and can be powered by either a USB port or three AAA batteries.

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 ...