IoT basics, possible projects?

Hello, I'm sorry for asking such a generic question but I have been reading up about this for the past week or so and haven't really gotten anywhere. I'm an embedded developer working with ARM and AVR...
I would like to start a discussion on ideas about IoT sensors and mixed signal chips.

What are some of the more common elements of IoT designs for sensors?
Microcontrollers for IoT application

HI all, Generally what all the parameters deciding the selection of a microcontroller for IoT application? I know that most of the IoT solutions are designed around ARM controllers like ARM Cortex...
Is the Thread standard usable from mbed OS?

I am interested in using Thread networking from mbed OS. Is there an example or starter anywhere which I can try? Can I connect to an Mbed device connector using a Thread network and with an mbed client...
ERROR 0

Hi All, I had done the compilation of a code in ARM mbed online compiler, and I didn't understand this error mentioned: Compiler Error 0 ""/extras/mbed_5e5da4a5990b/LPC1768/ARM/LPC1768.sct...