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    EzViz DB1 - Chime / Powerkit question

    I just got a DB1C installed and wondered what was in the power kits. I popped it apart and saw two chips: an LCB710 which is a solid-state relay with 1A @60V capacity. The other chip is a LM2903 voltage comparator: basically an op am with no feedback used to compare two voltages or a voltage vs...
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