Difference between revisions of "20ma current loop to RS-232 conversion"

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(Initial creation)
 
(adding more resources. Schematic at circuitlab)
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==other resources==
 
==other resources==
 
* Another circuit. From [[http://altairclone.com/teletype.htm Altairclone]] Specifically designed to fit in a Teletype model 33 using only a 12vdc wall wart for power.
 
* Another circuit. From [[http://altairclone.com/teletype.htm Altairclone]] Specifically designed to fit in a Teletype model 33 using only a 12vdc wall wart for power.
 +
* Another [https://www.circuitlab.com/circuit/mnartk/screenshot/1024x768/ circuit] I found referenced on the greenkeys email list
  
 
[[Category:Various]]
 
[[Category:Various]]
 +
[[Category:Teletype]]

Revision as of 20:29, 15 August 2015

20ma current loop <> RS-232 conversion

Vintage PCB

Dig this crazy circuit board man! Still in it's original packaging from Hobby World Electronics in Northridge California.

TTY RS-232 Front.png TTY RS-232 Back.png

other resources

  • Another circuit. From [Altairclone] Specifically designed to fit in a Teletype model 33 using only a 12vdc wall wart for power.
  • Another circuit I found referenced on the greenkeys email list