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