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Dvr ir motion trigger 2012-08-29

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BrownOut

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BrownOut submitted a new article:

DVR IR Motion Trigger - A client needed a timer to keep his DVR enabled and recording when the IR motion detector output a

A client needed a timer to keep his DVR enabled and recording when the IR motion detector output a pulse. A timer was required to maintain a low signal level for a precribed amount of time upon detection of motion.

However, it was determined after some experimentation that the DVR ignored singular outputs, and thus required a "wake up" pulse, which would not be present when using an ordinary timer configuration. The included circuit allows the client to set the time to record after motion...

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