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【正文】 nect up to 50 detectors. ? Piezoelectric horn driver. ? Poweron reset. ? Builtin circuits to reduce false triggering. ? 6V to 12V operating voltage range. ? ESDProtection circuitry on all pins. ? Temporal horn pattern. PIN CONFIGURATION LIGHT EMITING DIODE ?FUNCTION LED IS A SEMI CONDUCTOR DIODE THAT EMITS LIGHT WHEN AN ELECTRIC CURRENT IS APPLIED IN FORWARD DIRECTION OF THE DEVICE. Circuit symbol Physical appearance TECHNOLOGY DC MOTOR
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