Making a 3D printer work wirelessly

Looking for more ways to enhance his 3D printer, [JJ] decided to make it wireless. He got his hands on some $10 Bluetooth modules and figured this would be just the thing to make the link with his laptop.

They came as surface mount modules, so the first thing he had to do was develop a breakout board that he could patch into his Ultimaker 3D printer. This provided a nice opportunity as he needed to do some level converting to make the 3.3V module play nicely with his 5V CNC electronics. The first version of the board turned out well but he had really a poor communications range. The second version, which is pictured above, hangs the module’s antenna off the edge of the breakout board and works a lot better.

We’ve embedded a clip after the break that walks through the development of this board. [JJ] shared the Eagle CAD files as a megaupload link, but we’ve also mirrored the file after the break for your convenience.

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