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Old 05-20-2011, 02:31 AM
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Phil & Belha
 
Join Date: Aug 2001
Location: Alcyone Limited, Buckinghamshire UK
Posts: 2,671
Re: Memory dump of ECU

Quote:
Originally Posted by longassname View Post
Will my interface work for you?
No. I need to generate a 250 hz clock on pin 4 with -5v to +5v pulses. I can generate the right signal with the FTDI interface in bitbang mode, but only between 0v and 5v.

I think I need a voltage inverter to create the -5v and a comparator to toggle the signal between -5 and +5 as the FTDI toggles between 0 and 5.
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