We’ve all got calculators on our phones, in our web browsers, and even in the home “assistant” that’s listening in on your conversations all day on the off chance you blurt out a math question is can ...

[Owen] got down and dirty by adding a touchscreen to his TI-84 graphing calculator. The dirty part is the z80 assembly code he wrote to use the linkport as a UART (assembly always makes us feel queasy ...

What do you do when your trusty, 45 year old calculator finally needs to be retired? If you’re a programmer with a knack for making things — like Simon Boak — you custom build a replacement. This is ...

If you are interested in building your very own RPN calculator you might be interested in a new project published to the Instructables website this week by member Shiura. Using a CNC machine, the ...

[youtube http://www.youtube.com/watch?v=hhTNTPNs350&rel=0&color1=0xb1b1b1&color2=0xcfcfcf&feature=player_embedded&fs=1] Not a lot to say about this little hack but it ...

Capacitive sensing isn't limited to your smartphone. In fact, you can use contact with human skin (or any other conductive surface) to trigger almost any circuit. And the Touch Board from Bare ...

Of all the Arduino projects we've seen 'round here, this is certainly one of them! Using nothing but a Graphics LCD, an Arduino, and a WebSocket server he wrote using Python / Tornado, this young ...

Engineer Saeki Yoshiyasu created a system that allows him to connect to a server with his iPod touch and draw a design on the web browser using nothing but a Graphics LCD, an Arduino, and a WebSocket ...

Picture this: You draw or write something on your iPod touch, and it instantly shows up on a wireless display that’s linked to your iPod touch over a web connection. That’s exactly what young engineer ...