--_003_20111110073948107751sq3rzps2f8wwwnarwaniorg_
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Hi,

Tinkering with the CTMU on an 18F23K22 with one touch pad, but getting =20
odd results.  Code attached.

The A/D reading changes as my finger gets really close, but I'm =20
thinking it's picking up noise rather than capacitance, because if I =20
switch off the CTMU in the code, I still get the same results (!).  =20
For this, I've followed AN1250 ( =20
http://ww1.microchip.com/downloads/en/AppNotes/01250a.pdf ).

Any clues what I may be doing wrong here?

Cheers,
-Neil.


--_003_20111110073948107751sq3rzps2f8wwwnarwaniorg_
Content-Type: text/rtf; name="CTMU.rtf"
Content-Description: CTMU.rtf
Content-Disposition: attachment; filename="CTMU.rtf"; size=4859;
	creation-date="Thu, 10 Nov 2011 07:44:42 GMT";
	modification-date="Thu, 10 Nov 2011 07:44:42 GMT"
Content-Transfer-Encoding: base64
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--_003_20111110073948107751sq3rzps2f8wwwnarwaniorg_
Content-Type: text/plain; name="ATT00001.txt"
Content-Description: ATT00001.txt
Content-Disposition: attachment; filename="ATT00001.txt"; size=208;
	creation-date="Thu, 10 Nov 2011 07:44:42 GMT";
	modification-date="Thu, 10 Nov 2011 07:44:42 GMT"
Content-Transfer-Encoding: base64

LS0gDQpodHRwOi8vd3d3LnBpY2xpc3QuY29tIFBJQy9TWCBGQVEgJiBsaXN0IGFyY2hpdmUNClZp
ZXcvY2hhbmdlIHlvdXIgbWVtYmVyc2hpcCBvcHRpb25zIGF0DQpodHRwOi8vbWFpbG1hbi5taXQu
ZWR1L21haWxtYW4vbGlzdGluZm8vcGljbGlzdA0K

--_003_20111110073948107751sq3rzps2f8wwwnarwaniorg_--
.