Just to clarify, I am using the "free" offering of Arduino IoT. Maybe in their paid offerings, they might offer higher security such as verifying MAC ...

Suppose the ESP32 has to be replaced, is it possible to clone a new ESP32 with the same Device ID and Secret Key ? I had specifically mentioned sa...

@zander Well I tested with the dashboard and the stabilizer connected, and it worked perfectly. Thanks a lot !!

@ron Sir, you are the man :). I don't know what I was doing wrong yesterday. But I connected the new ESP32 and again set up the "network" paramete...

Thanks for the replies ! I guess I misspoke a bit about my requirement. Actually, I had made a demo for monitoring voltages in a voltage stabilize...