The cultural relic security alarm circuit of ND-2

Published:2011/7/4 19:42:00 Author:Borg | Keyword: cultural relic, security alarm | From:SeekIC

The circuit is shown in Figure (b), which consists of the vibrating sensor, relay control circuit, alarm sound generating circuit, audio power amplifier circuit and AC step-down rectifier circuit, etc. It can be used in situations of the precious object security, storeroom, safe locker, vehicle and door/window anti-burglary, etc. ND-2 is a all-direction vibrating sensing module, in figure (a) is its function frame diagram.



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