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The P2 is a huge step up from the old propeller. If you haven't checked it out, I recommend it. "smart pins" are able to do all kinds of things, almost like having mini cores along with the main cogs. I used it for a project and was able to achieve all my goals. Really happy with it.

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You've got me intrigued,but also wanting more specifics. Did you share any details of this anywhere you can link to? (don't worry if not, I'm just nosy)

https://www.parallax.com/propeller-2/ tons of improvements in terms of memory access etc, but pay attention to the "64 smart pins" section specifically. I use them to buffer out sub-microsecond waveforms 3ms at a time. I send it off to the smart pins then my cog is freed up for other things. I also previously used some for an HDMI GUI.

Ah, I see. Nice work. Thanks for the extra detail.

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