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MiniPiio RS232 v0.10

June 24th, 2012

As promised we spent our weekend building the other MiniPiio designs. So without any further ado, here’s the MiniPiio_RS232.

This is for anyone who wants a RS232 port on the Raspberry Pi but doesn’t want to give up one of the two precious USB ports or clutter their desk with a USB hub to use a USB to RS232 adapter.

Unfortunately, there’s a mistake in the dimensions of the PCB. Instead of being 50 x 40mm like the other MiniPiio’s, the MiniPiio_RS232 is 45 x 42mm so its wider and shorter than the others. Being shorter is not a problem just ask Napoleon, but being wider does mean it interferes with the RCA Composite Video connector. 30-seconds with a file cuts it down to size but it does mean back to the drawing board or rather Design Spark PCB.

It was easy to fix, but just means another trip to the PCB manufacturer for another batch of boards. A PDF for the schematics is here.

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