RA 3D printer controller board does everything, has disco lights

3D printers are getting far, far more complicated than a 4-axis, plastic-squirting CNC machine. These days, you really haven’t earned your geek cred unless you’ve hacked an LCD and SD card interface into your 3D printer, or at least experimented with multiple extruders. There’s a problem with the controller boards everyone is using, though: most boards simply don’t have enough output pins, greatly reducing the number of cool things a 3D printer can do.

Enter RA. It’s a new 3D printer controller board with IO for any imaginable setup. Going down the feature list of RA, we’re wondering why we haven’t seen some of these features before. A 24-pin ATX power header is soldered directly to the board, giving RA users a stupidly easy way to power their printer. Of course there are outputs for LEDs, camera triggers (printer time-lapse movies are really cool), light rings, buzzers, an LCD/rotary encoder/SD card control panel, and support for two heated beds for gigantic printers. If printing in one color isn’t good enough for you, RA has support for three extruders

Compared to other 3D printer boards such as RAMPS or the Sanguinololu, the number of outputs on this board is simply amazing. If you’re planning to build a huge, feature-laden 3D printer, you probably couldn’t do much better than what RA is offering.

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