Logging power meter statistics with an Arduino and light sensor

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There are several methods of capturing the data from electricity meters – some can be quite complex including hacking the wireless signals from newer meters, or connecting to wired data ports. However some meters simply blink an LED after a kilowatt-hour of energy has been consumer, and with one of these meters at hand, Arduino enthusiast Nicolai has done just that by creating a circuit with a light sensor and Arduino to track the “blips” from the power meter. To make the data more accessible, the Arduino is then connected …

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