administrators

Which OS are you used? macOS? it maybe is the USB driver problem. could you put it to win10 and try again.?

the Connect is a special design， we have the cable compatible with it.

purchase link:

https://shop.m5stack.com/collections/m5-accessories/products/m5stack-lego-motor-adapter-cable

Might sound wrong but,
Have you considered designing and developing one yourself?

example

https://github.com/m5stack/M5StickC/blob/master/examples/Advanced/IMU_Wake_On_Motion/IMU_Wake_On_Motion.ino

try to change the ethernet or another mqtt broker and test it again

could you paste your program screenshot here?

@mhaberler I don't I'm just a moderator of the forums do not work for M5Stack and so have nothing to do with their manufacturing and product quality testing.

@nigel Im on Catalina (just upgraded from Mojave) and now have the issues :(

Port A units are digital/i2c and so will work as you have noticed.
PortB units are analogue devices.
You can try a PortBHub which will convert analogue to digital or you can try the GoPlus2 module which has analogue pins.
Alternatively, on the base plate of the Core2 remove the expansion module and you will have access to the MBus connectors with analogue pins.

Ouuu, nice one, thanks.