Show and Tell April Edition

[N8XD (I got a hair cut from Alexa)]

Building graphs into a few device handler displays to monitor usage.

[OBSOLETE] Adding an on/off time % graph to a Cree Bulb device handler display

I was trying to figure out how much time a few lights were spending on, so for the fun of it, I added a graph to the standard Cree Bulb device handler. It uses the Google API for Image Charts. Sure they have new version that requires html5, but this older version sends a picture file like a png or gif, which I believe is more workable inside the smartthings app. It produces all kinds of nifty line, bar, pie, etc. charts. Send a query with data points…get a gif file back. There doesn’t seem to be any signup or authorization with google required to make this work. (the links work fine from “incognito” browsing). I do use a poller to make the time based on/off collections…you can attach the “pollster” smartapp to this cree handler and tell it how often you want it to check on the l…