Security Alarm Circuit Diagram Pdf. S1 and s2 are the two switches that are used in the circuit so that both can be put in two different places i e. The main benefit of the circuit is that these can be implied in two places at a time as two different switches produces two different sounds.
Connecting the p i r sensor to arduino 3. Circuit diagram of security alarm. When we forget to shut the door.
Resistor r1 r2 100k 2 r3 1 2k 1.
Security alarm circuit diagram electronicshub org circuit components. Circuit will trigger and sound of alarm comes. Burglar alarm circuit diagram with parts list. There are a variety of security alarms available in market which uses various types of technology for intruder detection like infrared sensors motion sensors ultrasonic sensors laser sensors etc.
