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A comment on Teensy 4.1 Development Board. Parent comment

Re:Teensy 4.1 Development Board by mhh__ on Monday May 11, 2020 @01:50PM (#23144889)
A CAN transceiver? A few dollars + an SPI bus at a glance.

https://www.digikey.com/catalog/en/partgroup/can-transceiver...

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Re:Teensy 4.1 Development Board by MuffinFlavored on Monday May 11, 2020 @08:46PM (#23149327)
Do you need a CAN controller and a CAN transceiver or just a transceiver?
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