before you begin with the work,  you should absolutely, which most important safety rules consider There are a variety of motion detectors      but usually work for the same principle.   A motion detector is usually a built twilight switches, which ensures that only the lights in the dark from the actual motion detectors can be switched on. Move a heat source before the alarm, so he turns the lights on for an adjustable period and after the expiry of the time set light again. Most motion detectors have two or three adjuster (potentiometer):     ● the Duty: determines how long the consumer should be left ● the ambient brightness (cut-off): determines at what threshold of darkness detectors be sharp ● the sensitivity determines how fast the alarm when a movement should turn     For most of the motion begins counter for the duty, when the last movement was detected. When the alarm after a new movement recognizes, he returned to the counter to zero. This ensures that the consumer (such as lighting) is not eliminated, when a person for a long time in the acquisition area.      Simple circuit        In this circuit, a motion detector for switching from one, two or x. .. Lamps. If the motion detectors in the coverage of movement it switches depending on how he is.      2 motion detectors     In this circuit, 2 motion detectors to switch from one, two or x. .. Lamps. Here you must note that the appropriate motion detectors. If motion detectors 1 movement, it sends a signal to motion detectors 2 of the lights on.     Setting: As a rule must (may) be the first motion detector the switching time, sensitivity, ambient brightness. This should be a very low switching time set so that the second motion detectors will be spared. Some you can even touch on a signal change, which means he is only about 1 second the signal and motion detectors 2 switches. That is, however, for each manufacturer.   The second course, we also need the sensitivity, ambient brightness and time. In this time you have to adjust how long the lights remain switched on.
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