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A nice energy monitor using arduino

Usually I do constant research on projects to automatize things at home, like energy monitor. Long time ago I came across this little nice post, explaining in a very simple way how to monitor your home energy consumption. On top of that he is using an ethernet shield that outputs the information through a MQTT feed to xively.com where it is processed and transformed in a nice bar graph.

UPDATE: Xively is not free anymore so this example will not work. Soon I will post an alternative using other types of logging.

UPDATE2: Here you can check another project using sparkfun server and thingspeak server

Energy monitor3
Energy graph

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Showtec Phantom 50 LED Spot Review

Very recently I’ve been servicing quite a lot of showtec phantom 50 LED spot fixtures and after a couple of months I can say that I know them quite well. I tough it would be interesting to do a short review from a technical point of view of the Showtec Phantom 50 LED spots so that people interested can have a better insight of the inner design and common problems that might encounter if they decide to work with them. Continue Reading →