Dual Burglar Alarm
Abstract:Simple two-way anti-theft alarm for home security, which are mainly part of the power regulator, delay trigger, alarm sound modules, lights drive unit composed of several parts, the situation in the event of theft, you can call the police, but also can not be delayed more than 35 seconds and then report to the police, but also two alternate flashing lights and the alarm sound of a police vehicle occurred, the alarm is not only suitable for home security, but also to SMEs, public institutions
Keywords : 555 timer, the basic RS flip-flop, flip-flop delay, the Alarm circuit lights, driving circuit