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Old 07-23-2019, 02:43 AM   #7301 (permalink)
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Looks like someone has made a commercial product based on this controller. Check out ebay item # 252952728174
I would post a pic and link but my post count is too low for that.

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Old 07-23-2019, 09:19 AM   #7302 (permalink)
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The layout is similar, but there aren't that many possible layouts anyway. It's impressive that they can do a commercial product for $265. I guess bulk electronics and getting metals made in bulk really drives the price down. They don't do torque control, so I'm not sure how it would feel in a car. Maybe like a curtis or something. It's impressive how a final product can look when you don't do everything in your garage. lol
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Old 07-23-2019, 12:08 PM   #7303 (permalink)
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Quote:
Originally Posted by MPaulHolmes View Post
The layout is similar, but there aren't that many possible layouts anyway. It's impressive that they can do a commercial product for $265. I guess bulk electronics and getting metals made in bulk really drives the price down. They don't do torque control, so I'm not sure how it would feel in a car. Maybe like a curtis or something. It's impressive how a final product can look when you don't do everything in your garage. lol
I didn't see the processor ... are they using the same one? Perhaps upgraded your code?

Or did they do their own thing?
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Old 07-23-2019, 01:27 PM   #7304 (permalink)
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I think they used an STM32F0, so the software is probably based on their own stuff. I am trying to learn the stm32 right now. It's so heartbreaking. They have tools like the CubeMX, which is a big buggy bloatware thing that autogenerates like 100,000 lines of code just to blink an LED. I would literally trade my pinky for someone to make a simple microcontroller that lets you do hardware floating point, and then they get the heck out of the way.
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Old 08-12-2019, 09:50 AM   #7305 (permalink)
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fwiw, there is the stm gcc-arm-none-eabi toolchain, like johannes uses:
https://github.com/jsphuebner/stm32-sine though it is linux centric, I've compiled his code w/it before.

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