[GreenKeys] New currentl interface board, first prototype

[COURYHOUSE at aol.com]

WoW!   Nice John!
 
Ok  so with the CP2012  breakout board  this is a unitized solution   to  
do all  except with the ASCII to Baudot portion being  doe  by the sending  
computer.   The  Motor start  relay  could be  located in the tty  case 
itself and does it  kick alive when first  signal is  received though the 
interface? Or is there a secret   code  sequence to  make it go on and off   from 
the  computer though the interface board?
 
Impressive!
 
John  is there a projected  cost  fro an assembled unit? 
 
Ed#   _www.smecc.org_ (http://www.smecc.org)  
 
 
 
In a message dated 11/15/2016 8:32:53 A.M. US Mountain Standard Time,  
nagle at animats.com writes:

As I mentioned previously, I'm working on a current  loop
interface for 60Ma current loops which is powered from a  USB
port.  Here's the first prototype PC  board.

https://github.com/John-Nagle/ttyloopdriver

It's generating 120VDC successfully.  More later.

John  Nagle
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