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Is CAN LO CAN_RX or CAN_TX ? #3

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jphein opened this issue Dec 16, 2020 · 5 comments
Open

Is CAN LO CAN_RX or CAN_TX ? #3

jphein opened this issue Dec 16, 2020 · 5 comments

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@jphein
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jphein commented Dec 16, 2020 •
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The PNG pinout is labeled CAN HI and CAN LO. The board is labled CAN_RX and CAN_TX. Which goes to which?
@jphein
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jphein commented Dec 16, 2020

In other words: Does CAN_RX go to Yellow, and CAN_TX go to Green?

@jphein
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jphein commented Mar 6, 2021

I was trying to do this with the blue pill alone.

@jphein
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jphein commented Mar 6, 2021

It never worked for me. I think you also need a can transceiver: #5 (comment)

@jphein
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jphein commented Mar 6, 2021

I ended up just using the resister hack. https://youtu.be/AiW7eAaoj5c

@cudak888
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cudak888 commented Apr 12, 2021 •
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Have tried CAN_H and CAN_L on both PA11 and PA12 with just a Bluepill - no dice.

This is with a battery that will successfully unlock if used with Jehu's board.

EDIT: Farted around a bit more with it; it does need a transceiver.

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@jphein @cudak888