Google Website Translator Gadget

Thursday, April 7, 2011

Alarm dan skema keamanan

  • 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



  • Arduino Based Security / Automation Sensors



  • 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



  • RFID Access Control System based on an Arduino



  • 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
  • 0 comments:

    Post a Comment