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15.06.2016
Monitoring your property’s security system is vital for early detection of intrusion and effective capture of the perpetrator. Since joining the Banham Group, we have access to our very own award-winning Alarm Receiving Centre (ARC) which is manned 24 hours a day, 7 days a week, 365 days a year. CCTV Monitoring – CCTV systems, whether fitted at a residential or commercial property can also be monitored. When choosing GSM Security for your alarm system monitoring, you will have all the capabilities and facilities of the Banham Group available to you.
For further information regarding our professional Security Monitoring Services, feel free to contact us. InfoMedia now offers our interactive security system with the ability to control your entire home with the ease of your smart phone. Already have an existing alarm system in your home?  Call InfoMedia today to be brought over to our local, UL listed, IQ certified monitoring center. This system is a type of intelligent device that transmits alarm information utilizing telephone communication network or GSM mobile communication networks (optioal for dual network host only). September 4, 2015 By Administrator 17 Comments This circuit will help you to guard your precious documents as well as jewellery from intruders or theft.
Fixed resistor– A It actually means that the resistor whose value cannot be change and remain what its mark on it. Variable Resistor-A  It means that the value of resistance can vary within the range marked over it.
The value of the resistor can be calculated either with the help of multimeter or with the help of color code over the resistor.


Diodes – It is a device with two terminals and have a asymmetric attribute which means that it permit the flow of current in one of the directions while the flow of high resistance is from another direction.
Transistor – transistor is a three terminal electronic device used to amplify weak input signals.
Speaker- it is a transducer which creates sound in reaction of the electrical auditory signal given in the input. Capacitor– Electric charges are being stored by these two terminal components which is passive by nature.
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. Its a cool circuit but I failed to understand the type of switches used, are they mechanical or Sensor operated switches?
All you need is just to place this circuit in front of the locker or below the mat so when any unknown person come and walk over the switch, the circuit will trigger and sound of alarm comes.
They are mainly used in the circuit to restrict the flow of current across any of the circuits. Hence in it flow of current is in one way only and block the other way for the current flow. Diode D2 which is linked with the switch S2 begin its conduction and offers power supply the transistor T1 and T2, which is in the waking state and as a result sound comes from the speaker attached to it.
Owing to its easy installation, convenient operation and storage that keeps 5 ~ 8 sets of alarm calling numbers. 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.


The current flow from the resistor is directly proportional to the voltage that is given across the terminals of the resistor. If the value of 5k is marked on it then it implies that the value of the resistor can vary from 0-5k. Transistor are of different type such as bipolar junction transistor, Field effect transistor and photo transistor. It started at the time when the potential variation occurs in the conductors polarizes the dipole ions to hold the charge in the medium which is dielectric. And before troubleshooting these capacitors carefully discharge them as they hold charges there is a risk of shock. When the switch S1 is pressed diode D1 which is linked with it starts conducting as the transistor T1 and T2, which is attached with the resistor begin its conduction. But in this instance a high frequency tone comes out which is a sign that there is some intruder present around the locker. For the oscillation purpose Transistor T1 and T2 gets a positive feedback which is provided by capacitor C1. The presence of any intruder is indicated by the low tone frequency which is generated when switch S1 is pressed.



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