- 4 Photo-Detector circuit with delayed release and bipolar output
- 5 Zone Alarm Circuit
- 5 Zone alarm circuit
- 5 Zone Alarm System
- Alarm control keypad
- Automatic Intruder Alarm
- Automatic Intruder Alarm
- Build an iButton electronic lock based around a AT91C2051 microcontroller (includes ASM source code)
- Circuit diagram for basic alarm with delayed trigger
- CMOS single zone intruder alarm
- Cold activated switch (frost alarm)
- Combination Lock (PIC16F84)
- Constructing your own Light Alarm
- Digital combination lock
- Digital combination lock using pair of CD4013 CMOS chips
- Digital Keypad Combination Lock
- Door Alarm circuit diagram
- Door knob alarm (PDF)
- Doorbell for the Deaf
- Easy to build tripwire activated alarm
- Electronic door codelock (PIC16F84)
- Electronic locker digital combination lock circuit diagram
- Emergency Light & Alarm
- Emergency Light & Alarm
- Enhanced 4 Digit Alarm Keypad
- Enhanced 4 Digit Alarm Keypad
- Enhanced 5 Digit Alarm Keypad
- Enhanced 5 Digit Alarm Keypad
- Everything-that-moves alarm works by inducing eddy currents in living beings
- Fire alarm circuit diagram based on LDR (light-dependent resistor)
- Fridge door Alarm
- Frost alarm
- Fuse or line monitor that will check the status of up to six fuses including a PCB layout
- Gate alarm
- Gate alarm circuit
- Home security project
- iButton electronic lock (Dallas DS1990A)
- MC68HC908-based wireless monitoring system is adaptable for use in domestic and industrial settings
- Micro-power over temperature alarm (PDF)
- Miniature loop alarm
- Miniature Loop Alarm
- Modular Burglar Alarm
- Modular Burglar Alarm
- Motorcycle alarm
- Multi-zone burglar alarm
- Novel Buzzer
- Perimeter monitor
- Proximity detector (uses human body capacitance)
- Proximity detector for humans / living creatures using eddy current detection
- Rain alarm / rain detector
- Refrigerator door alarm
- Refrigerator Door Alarm
- RF Alarm
- RF Pad - combination-controlled, fully customizable radio frequency remote control
- Single Zone Alarm
- Single Zone CMOS Alarm
- Smartcard controlled relay circuit based around Nutchip microcontroller
- Sun - Up Alarm
- Touch activated alarm system
- Transistor based single zone intruder alarm
- Travel Touch Alarm
- Ultrasonic radar alarm
- Ultrasonic Radar Alarm Circuit Diagram
- Ultrasonic remote control & alarm system
- Wailing alarm siren
- Water Activated Alarm
- Water Activated Alarm
- Water level alarm
- Water Level Indicator with alarm
- Water seepage alarm (PDF)
- Waterpump Safety Guard for fish pond / fish tank
- Wire loop alarm
- Wire Loop Alarm using 4001UBE Quad NOR Gate
- Wireless alarm FM transmitter module
- Wireless alarm system based around Nutchip microcontroller
About Me
- B.Tech Live projects for ECE,EEE,EIE,ICE
- This site will be verymuch useful for students studying electronics,Electrical,Instrumentation engineering. The site showcases many links from around the web with good stuff related to electronics. Electronics hobbyists can find this a good place to start.Many simple circuits that you can build from scratch available on this site.Engineering Students of JNTU,AU,KU,OU,SRM,NU can be benifitted with this resource. Any concerns please email me technokishore@gmail.com
Alarm & security related Projects
Posted By B.Tech Live projects for ECE,EEE,EIE,ICE
Sunday, April 4, 2010
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Polite Notice
B.tech Live projects is the platform for everyone who are studying Electronics Engineering. Note that all these links are external and we cannot provide support on the circuits or offer any guarantees to their accuracy. Also note that some of the circuits are illegal to operate in most countries, please check your local regulatory bodies if concerned. Other circuits are dangerous to construct and should not be attempted by the inexperienced.
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