Hi everyone! I'm looking for ideas on how to check if my TV is on or off using my arduino I've searched around but haven't found anything I'm working on a project of home automation and i'd like to be able to know if the tv is on or off It's a 40" sony bravia

Check if TV is on or off

nickgammon September 26, 2012, 4:50am 6

That link says: "Three Transistor Voltage Detector"

Current isn't the same as voltage.

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