I love it as a very simple wifi port, next edition with have the BTle etc…
YES ! Serial
This is why I like serial so much as just a few wires and a micro (any system / chip with uart capability) can interface very neatly. I like picaxe in this respect as it is very middle ground 8 pin package and a few wires and you get this sort of thing going on…
I would Love to integrate Cayenne into this and forward variables into the system.
Okay… this example is a little complex as it is forwarding radio packets over my Cicadacom protocol to and from other 08M2 chips.
Another reason I think serial is important is that a host of radio modules like the more advanced transparent end to end transceiver serial modules would just hook ditect to ttyAMAO as above image with just 4 wire jumpers.