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Home Intruder Alarm Circuit

Last Updated on November 17, 2024 by Admin Leave a Comment

table

THE RISE in crime rate is normal to the overall western world, and is apparently relevant to wealthiness instead of to poverty as was formerly assumed by a lot of […]

Filed Under: Security and Alarm Circuit Tagged With: Alarm, home, Intruder

Anti Theft Automobile Alarm Circuit

Last Updated on November 17, 2024 by Admin Leave a Comment

FIG2 1

This anti theft automobile alarm circuit can be used for safeguarding cars and automobiles from thieves and burglars. THIS KIND OF UNIT FUNCTIONS through the vehicle supply, and it is […]

Filed Under: Security and Alarm Circuit Tagged With: Alarm, Anti, Automobile, theft

Temperature Alarm Circuit

Last Updated on November 17, 2024 by Admin 2 Comments

block diagram 1

This temperature alarm circuit permits a concurrent checking of a maximum of four temperatures. The individual detectors are attached to the main control unit by using a set of wires. […]

Filed Under: Security and Alarm Circuit Tagged With: Alarm, Temperature

Simple Water Sensor Circuit with Alarm

Last Updated on November 17, 2024 by Admin Leave a Comment

water sensor circuit

Water sensor is a little unit which is used to give an audible alarm when a hose of the washing machine has burst or when it starts to rain, so […]

Filed Under: Water Sensor and Controller Tagged With: Alarm, Sensor, Simple, Water

Bicycle Light and Alarm Circuit

Last Updated on November 17, 2024 by Admin Leave a Comment

bicycle light

The post illustrates a simple bicycle light circuit which can be used as a normal front/back indicator lights, and also as an emergency alarm signal such as an SOS signal. […]

Filed Under: Indicators, Security and Alarm Circuit Tagged With: Alarm, Bicycle, Light

High Voltage Alarm Circuit

Last Updated on November 17, 2024 by Admin Leave a Comment

battery over volatge alarm circuit

This circuit will raise an audible alarm as soon as the battery voltage goes above a predetermined over voltage limit. The astable section of a high voltage alarm is similar […]

Filed Under: Security and Alarm Circuit Tagged With: Alarm, High, voltage

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