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Burn SB 2209 ( RP2240) + U2C... any clue?


New member
Good morning
i've spend a lot of time trying to set up CANBUS using a BTT SB 2209(RP2240) with a USB to CAN board (U2C from BTT).

i connected the 24V +GND to the U2C then the SB2209 to the U2C with the CAN cable .
When i Power on , the SB2209 burn exactly on the chipset ...whereas led was fine (mean power was ok)

I check the CAN cable wiring with a multimeter to make sure i did not invert the + & - but it is fine.

Any idea what could have cause the issue? any jumper missing that could cause it? or is it only bad luck...?