Simple demo for plotly library

Dependencies:   EthernetInterface mbed-rtos mbed plotly

A basic example of streaming data to a chart on plot.ly

Assumes a wired ethernet connection with direct internet access and a DHCP server.

Chart URL and status is output via the usb serial port at 115200.

You will need to modify the plot.ly account information at the start of main.cpp to match your account on http://plot.ly