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Datalogger - Multiple CAN Bus

Yes it will work great. You need to assemble multiple CAN messages with their partial timestamps into a single UDP packet and send it on the wire when it gets full or upon a timeout - say 1ms timeout. ...
Kuba hasn't forgotten Monica's user avatar
-1 votes

Datalogger - Multiple CAN Bus

15 CAN bus channels will be an overwhelming stream of data without strict filtering in place. A reasonable speed can do thousands of messages per second. If you want to correlate message timestamps ...
Jeroen3's user avatar
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2 votes
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5V CAN transceiver (TJA1040) with a 3.3V uController (ESP32)

The datasheet says: Input levels compatible with 3.3 V and 5 V devices The input levels are not the same as the supply voltage level. On page 5, the operating range is specified as from 4.75 V to 5....
CL.'s user avatar
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2 votes
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Request for Review: First PCB Design - Feedback on Potential Issues or Missing Elements

Misc review remarks: Depending on your BoM budget I'd use something more modern than SN65HVD232, although that might force you to also include a 5V regulator. I've used the one you've specified quite ...
Lundin's user avatar
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1 vote

J1939 data encoding

Responding specifically to the question of the 'unused' values. You are correct in that they are intended to be reserved for diagnostic purposes. The J1939-71 standard makes the following ...
Vaalsta's user avatar
  • 11
1 vote

Swapping CANH and CANL kills my power converter

U5. 5V and 3V3 doesn't seem connected to any other net. They should be connected as done with U4 or otherwise the IC will obviously not work and might get damaged. U1. Why are there no caps? You need ...
Lundin's user avatar
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