Monitoring Your Samsung ASHP Controller

Nice write up, that’s very useful.

We stock the waveshare RS485 adaptor in our website:

Would it be possible to attach some higher res screenshots of SNET, the current screenshot res is too low to be able to see any data.


Here’s some resources I put together for using the MIM-B19N ModBus interface on


Also, it might be worth mentioning the NASA protocol which is on the F3-F4 pins. @Topaz has been working on this, see thread:

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