[GreenKeys] A reliable current-loop-to-RS232 converter

Ralph Mowery rmowery28146 at earthlink.net
Sat Aug 15 22:42:55 EDT 2015


China has lots of similar items. Some are USB to ttl or maybe rs232.  I bought a couple a while back so I could program some old GE comercial transceivers.  It even had a led or two on  it so you could see if the data lines were doing anything.   I don't see how they can make the whole thing and ship it for less than the parts.  They usually take about 2 to 3 weeks to get here from China.  Often about 2 .

  ----- Original Message ----- 
  From: COURYHOUSE at aol.com 
  To: rmowery28146 at earthlink.net ; teletypeparts at comcast.net 
  Cc: greenkeys at mailman.qth.net 
  Sent: Saturday, August 15, 2015 10:23 PM
  Subject: Re: [GreenKeys] A reliable current-loop-to-RS232 converter


  Cool!  I bought  a few  for me and a few  for  Gil to experiment  with.

  In a message dated 8/15/2015 7:11:04 P.M. US Mountain Standard Time, rmowery28146 at earthlink.net writes:
    For $ 1.99 you can get them already on a circuit board ready to hook the wires to from China off ebay.  Lots of ones similar to this one.
    231267556341
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