The Arduino talks to a USB card reader using a USB host shield. Then it communicates with the PLC using an RS232 link and the DF1 protocol that most Allen Bradley PLCs understand.

[digitaltrails] wanted the data on a few old IBM 80-column punch cards he had lying around, but didn’t have decades old computer hardware in his garage. He decided to build his own out of LEG… ...

The Arduino has long since proven itself to be one of the biggest boons to DIY heads since the soldering iron, but that doesn't mean it's not still able to impress, as amply demonstrated by this ...

Using the power of Arduino and utilizing the camera and powerful performance of a smartphone, QLRO has created a fantastic 3D scanner aptly named the AAScan. This innovative device leverages the ...

In the meantime, another add-on that brings 3G and GPS to Raspberry Pi or Arduino is available at Cooking Hacks for €189. There's also a cellular add-on for Arduino for $99.95. Jon Brodkin ...

The Arduino graphics card shield is now available to back with pledges starting from just $29 for early bird backers. Jump over to the Kickstarter website via the link below to make a pledge and ...

How do you create a display that effectively shows of audio clips and physical objects? Simple: you stick an Arduino in a card catalogue. Through his many travels maker David Levin acquired ...