[HCARC] Question about repeater

[kd5wdq .]

HCARC team,

Don't mind doing the engineering on the "control" side of this project.

What ever you want to measure, I've probably got the Arduino or Raspberry Pi
and Analog to Digital converters to prototype this.

As for comm to the controller, can use eithernet via HSMM or simple "always
on"
433 mhz to read voltages remotely.

Put up a solar HSMM node on the San Marcos hospital that transmits 8
channels
of AtoD (only two used, temp and battery) so all one has to do is roll into
the
parking lot to see status of the node.  (due to we have to ask to access
the roof
of the hospital.)  Chances are I've been-there-done-that...

--eddie kd5wdq




On Thu, Oct 10, 2013 at 5:36 PM, Gary Johnson N5BAA <qltfnish at omniglobal.net
> wrote:

> Bill, et al
>
> Size of panel (within reason) is more a function on expected usage than on
> how much the radio will draw because it is just battery emergency backup.
>  I do know that from MTC radio in Paris, TX we can get a 135 watt panel for
> $204.00 including shipping.  That panel and a couple of sets of golf cart
> batteries from Costco (220 amp hour @ 6 volts each times 4 batteries to get
> two 12 volt power sets) would probably power the system indefinitely
> without A/C power at all.  My neighbor and I are getting ready to order 3
> panels each, hopefully drop shipped from the factory (importer) for less
> shipping. Not sure how many we can get shipped in one cheaper shipment
> though.
>
> Gary J
> N5BAA
> HCARC Secretary 2013
>
> ----- Original Message ----- From: "Bill" <txduncan at hctc.net>
> To: <hcarc at mailman.qth.net>
> Sent: Thursday, October 10, 2013 3:48 PM
> Subject: [HCARC] Question about repeater
>
>
>  Thanks for response Gary.
>>
>> I would understand  that charging batteries inside the repeater station
>> could/would be a safety hazard, unless they were   the
>> Absorbed Glass Matt type that are sealed and do not emit fumes.
>> If regular deep cycle batteries were used and placed outside the shack,
>>  I believe that would likely be safe also.
>>
>> Per Harvey’s comment asking if we have an “Expert” in the
>> group.............I don’t qualify.  However I have installed a system at my
>> home and in several RV’s and would be glad to help.
>>
>> What is the voltage and wattage requirement of the repeater equipment?
>>
>> Bill
>> KF5VMY
>>
>>
>>
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