UnoDrum Easter Egg: Drum Ratchets

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UnoDrum Easter Egg: Drum Ratchets

Postby mungewell » Wed Mar 10, 2021 4:39 am

It looks like our UnoDrum has a feature not described in the manual, or exposed through the official tools. If you listen carefully to Factory pattern 12, the last Closed HH in the sequence is hit TWICE, even though there is only one entry in the sequencer. :o

I've been working through trying to understand, and it appears that there is a ratchet feature which allows pads to automatically play double, triple and quadrupedal hits at various intervals.

I have uploaded a demo pattern here:
https://github.com/mungewell/uno-drum-u ... nodrpt.zip

This was pattern was created by sending a custom SysEx to program the Cowbell sequence.
Code: Select all
$ amidi -p hw:2,0,0 -S 'f0 00 21 1a 02 02 36 03 14 0d 11 22 11 22 01 07 05 02 7f 7f 7f 7f 00 00 00 f7'


The '01 07 05 02' bytes are the ratchet settings. I wonder what other capabilities are hidden from us?
mungewell
 
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