You can use the receive module as a bus monitor. You can use the IDE or in my case I use Putty, a terminal program good on most home computers. I use Linux and I can have as many IDEs open as I like, several together or in different work spaces. You can build the monitor for less then $10 us carefully shopping your favorite china supplier. It will take 7 jumpers, a china Nano a MCP2515 module and a USB cable. The USB supplies the power.
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