The article details an uncomplicated laser beam dependent security alarm circuit that could be set up in agricultural areas and fields for detecting just about all potential intrusions, sometimes by […]
Laser Operated Security Alarm Circuit
We all might have usually observed laser alarm system as an important part of security solution specifically for a location which ought to get hi-level security. Starting from a museum […]
Simple Door Security Alarm Circuit
This circuit produces a beep and/or lights up a LED if a person hits the door-handle from outside. The alarm system will signal until the circuit might be switched-off. The […]
How to Build a Laptop Anti-theft Security Alarm Circuit
The publish clearly shows a clear-cut security alarm circuit which could be utilized with any specific involved object for example a laptop which ought to be guarded, when an intruder […]
How to Make a Power ON Alarm with Auto OFF Circuit
The submit talks about a basic monostable dependent power turn on alarm circuit which automatically switches OFF after an adjustable preset delay. The asked for power activate alarm circuit utilizing […]
How to Build a Heart Rate Monitor, Alarm Circuit
The publish explores a straightforward circuit which can be employed for supervising the essential heart rate of a patient (senior citizen), the circuit furthermore consists of an alarm for showing […]