[App_rpt-users] App_rpt-users Digest, Vol 35, Issue 43

Neil Addis (WA5JXY) wa5jxy at gmail.com
Tue Jan 24 13:12:16 EST 2012


> Has anyone used the GPIO lines on a URI to active a 12 volt DC fan when
the PTT is active?
> I have a friend that who wants to implement this on his All-star node to
keep his transmitter cool.
> I guess that we would need to use a relay with the GPIO line to protect
the URI?
> Any thoughts or suggestions?
> Marshall - ke6pcv

Marshall,

I had the same idea and I contacted David Kramer at DMK Engineering (makers
of the URI).
He responded with this link on how to do exactly what you want;

http://www.dmkeng.com/images/GPIO_Relay.pdf

I tried it and it works great....

73,
Neil
WA5JXY
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