[Dprglist] Outdoor rover options - chassis / motor / ESC...

[Iron Reign]

If you have CAN or USB on your controller, you might want to look into this
designed for robotics:

https://www.revrobotics.com/rev-11-2158/

Axial has a great reputation but I don't have experience with this
platform. Sounds like it has lots of goodies. Does it have rear steering
available?

I'm a little skeptical of the video on the site - that's a "best of" and I
prefer seeing 3rd party reviews with failure points. Here's lengthy
comparison with the successor product:
https://www.youtube.com/watch?v=7geP_7pLD1I


On Sun, May 2, 2021 at 12:26 PM jesse brockmann via DPRGlist <
dprglist at lists.dprg.org> wrote:

> Carl,
>   VESC motor controllers will output distance/revolutions.   I don't have
> experience with it but I saw details on it over on the MIT Racecar page.
>
> Jesse
>
> On Sun, May 2, 2021, 11:00 AM Carl Ott via DPRGlist <
> dprglist at lists.dprg.org> wrote:
>
>> Anybody have experience with the Axial SCX10 II chassis?
>> http://www.axialracing.com/products/axi90104
>>
>> Seems to be meant for scale / realistic 1/10 vehicles - but looks like it
>> could be very well suited as a base for outdoor robot rovers.  It's kind of
>> pricey, but - looks well made and durable with lots of metal in the
>> construction (hardened steel axles, metal gearing in transmission, aluminum
>> suspension elements, steel in parts of the frame), plus it even has a
>> high/low gearing option in the transmission - lets you change gears via
>> servo..
>> Axial also offers lots of cool looking bodies built on that chassis - my
>> imagination is running wild with robotic kit-bashing one of these trucks
>> http://www.axialracing.com/t/vehicles/scx10?page=1
>>
>> Also - I've heard about sensored brushless motors and ESC, e.g. from
>> Castle Creations (Thanks Jesse B from your recent presentation to DPRG!).
>> For example, this "sensored brushless motor and ESC" combo apparently has
>> such ability
>> https://www.castlecreations.com/en/rock-crawler/copperhead-10-sensored-esc-crawler-edition-w-1406-2280kv-sensored-motor-010-0166-06
>>
>>
>> But it seems like the brushless motor sensors are mostly used at startup
>> and low motor speeds. And in that Castle Creations example, it only appears
>> to provide RPM measurements after a run - seems you have to download from a
>> data logger built into the ESC.  By any chance, has anybody seen (1/10
>> sized) options like this, but which can output motor RPM sensor data
>> real-time, e.g. via I2C, SPI or UART?
>>
>> Thanks!
>> Carl
>>
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