ceengland(at)bellsouth.ne
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 Posted: Sun Jan 22, 2012 11:12 am Post subject: really cheap relay deck; was 28 to 12v down-converter |
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The same ebay company had this:
http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem&item=250975404341#ht_4310wt_1398
Looks like it would be an economical alternative to the high dollar relay decks used with stick grip switches, etc. The relay coils are 5V, but a handful of dropping resistors or a 5V supply feeding the control switches would solve that.
Charlie
On 01/22/2012 09:47 AM, Robert L. Nuckolls, III wrote: [quote] A short time ago we were discussing options for
adding some 12-14 accessories to a 28v airplane.
I think the author of the thread was also interested
in having some 'cigar lighter' jacks for the odd
appliance.
Here's a device I ran across on eBay . . .
http://tinyurl.com/7phxaoy
Of course there are bumps and potholes in the translation
of specifications into English but for the most part, this
device seems a likely candidate. It features both
output voltage and current limit adjustments. This makes
it suitable for the task and even somewhat idiot proof
in that it's self protecting in case of a short circuit
or overload.
Of course, compatibility with respect to radio noise is
unknown but I've never met a noise problem I couldn't
whip.
Food for thought.
Bob . . .
[b]
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