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Category Archive for 'Tech'

Slides from Dan’s Recent Presentation

Posted in Tech on Jan 17th, 2012

Here are Dan’s slides from his presentation at our club meeting of January 13th. DanSlides1-13-12

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Sheeva Plug goes AC/DC

Posted in EMCOMM, Tech on Jun 27th, 2011

The Sheeva Plug has served well as our RMS Gateway KE7KMN-10, but we needed a battery backup strategy. Radio and TNC are on 12VDC whereas the Sheeva Plug has an AC Power Supply which has a 5VDC@0.4Amps output. The easiest way to convert 12VDC to 5VDC is using a 7805 linear regulator, but at 12 […]

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