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pc serial port help...

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amitpj

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hi ... guys

i have one trouble here ...my circuit is need 3.3v through pc serial port so can u help me this...
 
hi ... guys

i have one trouble here ...my circuit is need 3.3v through pc serial port so can u help me this...

hi,
What length is the RS232 cable to the PC, also whats the Baud rate.
There could be a simple transistor solution.

EDIT:
Also look here.
**broken link removed**
 
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