[simply led informer] that is small part from "hello world" IoT prject https://github.com/yogggoy/IoT_hello-world
History
listen serial port, and if cmd is 'i', then switch led
2016-12-09, by yogggoy [Fri, 09 Dec 2016 02:59:05 +0000] rev 0
listen serial port, and if cmd is 'i', then switch led