Simple Circuit Schematic Wire Loop Alarm for Door Security using Transistor

Solar. - This is simple electronic circuit schematic Wire Loop Alarm for Door Security using Transistor like in Figure 1 below. In this circuit schematic the basic component used are transistor and buzzer. 

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Circuit Schematic

Figure 1. Simple Circuit Schematic Wire Loop Alarm for Door Security using Transistor (Source: CircuitsGallery)

Component Part

• Resistor
• Transitor
• Buzzer
• Wire
• Battery

Description

Circuit schematic like in Figure 1 above is Simple Circuit Schematic Wire Loop Alarm for Door Security using Transistor. CircuitsGallery site describe that home security alarm system is a big concern these days. Previously we had published some simple home security systems, the simple burglar alarm system and laser beam alarm circuit are some of them. In this tutorial we will explain how to make a simple wire loop alarm circuit schematics for door security using just four common electronic components: transistor, resistor, buzzer and a battery. It costs around 1$ only. Fixing this home security circuit as door alarms will secure us from intruders.

In this door entry alarm we’ve used a simple wire as door alarm sensor, when someone opens the door it will break the loop and will generate continuous beep sound which won’t stop rapidly. This can be implemented as window alarms too. You can use reed switches as window alarm contacts and alerts can be easily stopped by closing the window, whereas our door system can’t be stopped by closing the door.

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