[GreenKeys] Current loop converters.

Jack Hart wa2hwj at att.net
Fri Nov 14 22:32:34 EST 2014


Wrap wire around the pins....


-----Original Message-----
From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of
Jeffrey D Angus
Sent: Friday, November 14, 2014 9:24 PM
To: greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] Current loop converters.

On 11/14/2014 9:07 PM, Jack Hart wrote:
> By the way, there's always my "poor man's RS232 to loop converter"
> that just uses a good old fashioned TTY polar relay.
> Wire the relay's coils in series and connect them to your PC's
> RS232 RX line and GND. Then key your loop with the relay's contacts.
> Works every time...
And there's one on eBay as we speak. Then of course, trying to locate the
matching socket for it...
<http://www.ebay.com/itm/151460536758>


--
Jeff-1.0
wa6fwi
http://www.foxsmercantile.com

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