fall detectors But bear in mind that if danger is detected, professional monitoring services will contact you first if a sensor is triggered. After the security provider has reached out to you and any emergency contacts they’ll contact the police on your behalf. So, the lag time between the triggered sensor and emergency responders getting to your home could be lengthy. On the other hand, unmonitored home security systems will automatically notify you directly when a sensor is triggered. Once you’re notified, you’ll have to determine whether or not it’s a false alarm or if you should call emergency services. DIY home security systems are less expensive because most features and equipment are purchased upfront – such as SimpliSafe’s professional monitoring package is as low as $14.

3$Process of Building:First of all the PIC:PIC is a family of Harvard architecture microcontrollers.



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Photoelectric Sensors: These sensors project a beam of light across a hall or doorway to detect motion and are triggered when a person passing through interrupts the beam.