Maxim Kulkin

I have no idea what arduino_homekit_server.cpp is. Seems like someone's port to Arduino, but I do not know anything about it.

Examples in examples/ directory are designed to be built with [esp-open-rtos](https://github.com/SuperHouse/esp-open-rtos). There is an example of how to build firmware for esp8266-rtos-sdk in [examples/esp8266-rtos/sdk/led](https://github.com/maximkulkin/esp-homekit-demo/tree/master/examples/esp8266-rtos-sdk/led) although I haven't checked it lately,...

Ok, I guess this is a question, not a statement and it's about supporting power measurement on some [Sonoff models](https://www.itead.cc/sonoff-pow.html) ([a good writeup](http://tinkerman.cat/hlw8012-ic-new-sonoff-pow/) by author of HLW8012 library for ESP8266...

@oneonce No, it's not. C++ has no keyword "string" and the standard string type is in "std" namespace.