HW 4.10 vs 4.11 vs 4.12

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rfvito
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HW 4.10 vs 4.11 vs 4.12

Postby rfvito » 28 Feb 2016, 17:02

Hi VESC players. Anyone could explain me diference between this boards versions 4.10 4.11 and 4.12 ?
I have hw 4.10 and all components but not sure to assemble using this board version.
If I assemble all components in HW 4.10 will work fine? Is same firmware? could anyone tell me firmware link?
I read somewhere firmware can not be the same in all versions.

Any info is welcome.
Happy life.

benjamin
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Re: HW 4.10 vs 4.11 vs 4.12

Postby benjamin » 29 Feb 2016, 09:49

4.10 - 4.12 are very similar and use the same firmware. The difference from 4.10 to 4.11 is that I made a trace thicker, and the difference from 4.11 - 4.12 is that I added a capacitor to GVDD on the DRV8302, after what I discovered here:
viewtopic.php?f=5&t=68

Blasto
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Re: HW 4.10 vs 4.11 vs 4.12

Postby Blasto » 18 Mar 2016, 02:36

while on the HW version topic, for archive reasons, can you also elaborate the differences 4.6-4.7 and 4.8. And why they have different FW.

just some general questions that help build a FAQ.

benjamin
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Re: HW 4.10 vs 4.11 vs 4.12

Postby benjamin » 21 Mar 2016, 05:29

I don't remember all changes, but here are some of them:

4.0 to 4.5
* Redesign, added CAN bus, moved things around, added i2c temp sensor

4.5 to 4.6
* Changed i2c temp sensor to ntc resistor

4.6 to 4.7
* Changed FETs and voltage divider resistors to measure up to 60V

4.7 to 4.8
* Moved traces and capacitors around to make it more robust.
* Changed some pins (hall 3 I think)

4.8 to 4.10
* Moved some traces around
* Added hardware SPI to the comm connector and added an extra pin
* Changed ADC pins for the SPI support. This is why loading the wrong firmware is dangerous here - the current snese ADC lines have moved and the wrong firmware won't provide any feedback for the current control loop.


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