For more devices I prefer to look Teensy 3.2 board. That draws less current than Mega or Due boards. You can find link to schemas on my earlier post.
On different note: Is there some PGN that reports bilge pumps cycles in the Nmea 2k?
Timo,I just did add #define N2k_SPI_CS_PIN 10 and uploaded to the board. The Int LED on the CAN shield starts blinking for a while, then goes ON solid, but the Tx LED is not blinking and the node is not found on the N2K bus. I think this is better, but still something missing... is there something to do with the interrupt pin? I just noticed in NMEA2000_CAN.h the next line after #define N2k_SPI_CS_PIN 53 is#define N2k_CAN_INT_PIN 21 as far as I'm aware the interrupt pins for uno are D2 and D3does it have to be changed fro 21 to 2 and do I need to rewire to diferent pin on the Can Shield?Any thoughts?Another thing that i just noticed is that with that edit, the serial monitor starts outputting normal and then in few seconds it stops to output (I'm using the "BatteryMonitor" example)
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