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edasmalchi / qiroll-pedal-assist

External pedal-assist system for Qiroll ebike kit, implemented with CMOS digital logic

GNU General Public License v3.0

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Thank you #9

Open c0d3z3r0 opened 2 months ago

c0d3z3r0 commented 2 months ago

Man, awesome! That's exactly what I was thinking about when ordering a Qiroll Pro today :smile: While I'm going to do it with a uC, I still really like your non-uC approach!

I wonder, if you tried to find a way to select normal vs. power mode on the Pro while driving? Maybe there's a way to hack the firmware, but the problem seems the PCB being filled up with epoxy :/

edasmalchi commented 2 months ago

Nice, yeah I think it makes the Qiroll a lot better. And sadly no, but I suspect you’re right that it would require getting at that PCB…

I think Qiroll is a good product overall, still surprises me that they haven’t added pedal assist.

happy riding!

c0d3z3r0 commented 2 months ago

You mentioned that the output voltage on the "USB" port is fluctuating. Do you remember what voltage it was exactly?

Regarding mode switching, it's a bit weird that the note at the picture and text disagree....

342063545-e28fb5dc-3174-4c82-bf82-9d066b5b8178

It seems they have fixed this with version 2:

342063422-1ba6a9ee-4733-4014-8457-caca1b2b657d

edasmalchi commented 2 months ago

Interesting!So I didn’t know much about electronics when I started this (still not an expert by any means!). I think it’s 5v… but not actually intended to source current so it bounces all over even with a small load (maybe it’s just pulled high by their uC the way I assume the two buttons are?). Without knowing what’s going on in there it’s hard to be certain…On Jun 23, 2024, at 05:15, Michael Niewöhner @.***> wrote: It's a bit weird that the note at the picture and text disagree.... image.png (view on web) It seems they have fixed this with version 2: image.png (view on web) You mentioned that the output voltage on the "USB" port is fluctuating. Do you remember what voltage it was exactly?

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c0d3z3r0 commented 2 months ago

Ok, let's see what I can find out when I get mine :-)

Do you have a photo of the switch PCB by chance?

edasmalchi commented 2 months ago

Sure, it's the older version. Real simple, just a ground and one signal per switch.