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Main » Alarm
 This FM radio-controlled anti- theft alarm can be used with any vehicle having 6- to 12-volt DC supply system. The mini VHF, FM transmitter is fitted in the vehicle at night when it is parked in the car porch or car park.
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Category: Alarm |
Views: 1375
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 The circuit consists of a small PIC microcontroller, assembly program, and a few other parts to detect a switch closure from an open door, window, or manual push button and then dial the cell phone number, and transmit a steady tone to indicate the source of the call.
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Category: Alarm |
Views: 2318
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 The circuit will provide a beeping sound to alarm the household that the refrigerator door has been opened for more than 20 seconds.
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Category: Alarm |
Views: 1437
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 The circuit will be useful as personal alarm and anti-snatching bag unit since the design is very small and portable, which can also be used for windows and doors control.
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Category: Alarm |
Views: 1220
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The circuit was designed to illustrate the operation of an electronic keypad to be utilized in the burglar alarm system by having five keys as the security syntax.
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Category: Alarm |
Views: 2140
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