Here's my latest project, a totally point-to-point build of the very elaborate SWT16 trigger sequencer from Robaux.io. I'm just getting to know it, and it's very powerful... the limitation is the interface -- there's one menu button, and then the sixteen buttons lead you to different modes and options. It's not entirely intuitive, and I wish there was more immediately accessible MUTE or DELETE options but... I guess I could dive into the code and hack those options for myself.
By the way, thank you thank you thank you Robaux team for making this open-source!
But, for the price of admission (an Arduino, four shift registers, seventeen LEDs and switches and a bunch of jacks) this is an amazing bit of gear.
I did alter the hardware a bit by putting TL074-based comparators in the output path to change the trigger values from stock, which is +5V with a diode making the LOW value very high impedance. With the comparators, the LOW value is actually like 0.7V, which isn't enough to be a problem, and HIGH is close to +12V, and both LOW and HIGH are 1K impedance.
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