I am new to this and want to be able to connect my circuit to my pc to
provide nice informaiton for debugging etc.  The 16F628 has a AUSART but
I need to alter the voltage.
I found the following here at piclist:
http://www.piclist.com/techref/io/serial/ttl-rs232.htm

TTL To/From rs232
http://www.botkin.org/dale/rs232_interface.htm

This looks great, but has anybody else used this?  I thought that
MOSFETs were really sensitive to ESD.  I really like the low cost, few
parts, and no electrolitics.  (In case I want to later embed in potting
resin.)

Also I could not find the exact MOSFETs he shows.  Locally I can get NTE
semiconductors from FRYs (at high cost) but I am not sure if their
NTE491 is really the same.  Is it close enough to work?
http://www.nteinc.com/specs/400to499/NTE491.html

(I may get these from Dale's site but I would rather get the parts now,
and not use paypal.)

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