What is the scan frequency?
Anyway, what if the quick pulses were merged, so that it corresponds to steady button press? I took a look at the data entry schematics, and without detailed examination I assume things like this have already been considered.
I guess it requires pulse modifier to keep the pulses at constant length. And when pulsing fast enough, it never gets low. It's been a long time since I saw such, haven't been active on electronics lately.
Sami
On Tue, May 13, 2014 at 3:45 PM, bperkins211@... [korgpolyex] <korgpolyex@yahoogroups.com> wrote:
I authored that and probably should delete it. I abandoned the project when I couldn't get a good response from the P800. I believe the problem is that the MPU is not scanning fast enough, coupled with the problem of a wide enough pulsed signal from the encoder to keep the 4066 switch closed long enough. That's my best guess. And is probably why we have not seen a successful mod like this work. It's a mod that seems to require modification to the firmware to actually support a encoder for value changes to parameters to work decently. ~Blaine
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Sami Jumppanen
http://netti.nic.fi/some-e