Alarm dan Security

· Proximity alarm

· Electronic lock

· Intermittent alarm generator

· Burglar alarm

· Electronic door codelock (PIC16F84)

· Moisture alarm

· Automatic Entry Control System

· Fridge door alarm

· Ultrasonic remote control & alarm system

· Wire loop alarm

· Digital entry lock

· Proximity switch

· Toxic Gas Detector

· Door knob alarm (PDF)

· Water seepage alarm (PDF)

· Micro-power over temperature alarm (PDF)

· Personal silent alarm system

· Active IR motion detector

· A Basic RF Transmitter for PIR Sensors

· PIR motion detector

· Simple alarm system

· Home security project

· 5 Zone alarm circuit

· Miniature loop alarm

· Novel Buzzer

· Gate alarm circuit

· Modular Burglar Alarm

· Motorcycle alarm

· Enhanced 5 Digit Alarm Keypad

· Enhanced 4 Digit Alarm Keypad

· RF Alarm

· Single Zone Alarm

· Water Activated Alarm

· Water level alarm

· Perimeter monitor

· Digital combination lock

· Alarm control keypad

· Almost Ultrasonic Motion Sensor

· Alarm loop sensor (LM3915)

· Touch triggered alarm

· Universal alarm system

· Warning strobe flasher for alarm systems

· Collection of alarm circuits

· PIR motion detector light controller

· Micropower wireless motion detector transmitter

· Touch activated alarm system

· Combination Lock (Simple Version)

· Combination Lock (PIC16F84)

· Low power RFID transponder