Circuit Alarm

This be simple circuit alarm diagram for extremely the electronics everyone.
Try build keep be usable example , alarm system of the usability
be home security alarm circuit, car alarm circuit, fire alarm circuit,
burglar alarm circuit etc. By compose many circuits as follows �

Proximity Detector Using CS209
Rain Alarm using NE555
Low Cost Fire Alarm Circuit Using Transistor
Fire Alarm Using Thermistor
Chamberlain Wireless Alert System
Water Softener Circuit using NE555
8-Zone Water Sensor Alert Kit
Water Sensor Alarm
Wireless Portable Video Security System LCD - Outdoor Camera
Skylink WT-433 Window-Door Sensor
Personal Alarm using IC 74HC04
Lamp flashing alarm automatic
Car Alarm Simulator
Car Burglar Alarm system with radio wave signal
Car Burglar Alarm timer delay using NE556
Simple Metronome using transistor
Warbling Alarm Circuit with tone Generator
Wireless Home Security System Calls Your Cell Phone
Home and Vehicle 2-Zone Alarm Pager System
Emergency power siren 6 watt
Water Sensor Alarm Kit
Car Alarm Simulator by LM324
Water Sensor Alarm using LM380
Two Tone Alarm generator using LM3900
Electronic Watch Dog Kit
Mini Emergency Light by 9013 transistor
Headlight Alarm
Powerful Siren by BC337
One-IC two-tones Siren with IC 4093
Electronic Siren by IC Digital
Single Zone Digital CMOS Alarm
Miniature Loop Alarm
Red Alert Startrek Alarm by IC 555
American Police Car Siren by IC 555
British Police Car Siren by IC 555
Two HiJack Alarms by 4001
Water Alarm with LM380
Two Tone Alarm with IC LM3900
Mosfet 6 Watt Siren
Travel Touch Alarm
Assortment of Siren Circuits