YY-Electron Wireless Home Security Alarm System Manuel d'utilisateur télécharger pdf (Page 8)

International Journal of Smart Home

Vol. 7, No. 2, March, 2013

Figure 6. Security Cam GUI

5. Hardware and Circuit Testing

MHSS has been tested at a model of the house yard. The circuitry is integrated with

the model to simulate the real multilevel security system. The hardware is divided into

three modules which are the input modules, interfacing module and output module as

discussed in section 4. The input module consists of laser sensing node, presence

detecting node, and break-in sensing node. The interfacing module comprises a UART

and a PC. The output modules contain a series of responding components which

correspond to the input obtained from the input modules such as webcam, light bulbs

and a buzzer.

5.1 System Demonstration

As shown in Figure 7a, the microcontroller sends a high signal output to the light

bulbs when the laser sensing node is breached. Then the light bulbs are turned on

instantly. The microcontroller is programmed to perform in such a manner that the light

bulbs will be turned off if the triggering does not go to the next stage after 3 minutes as

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YY-Electron Wireless Home Security Alarm System Manuel d'utilisateur Page 8