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Security

Simple Motorcycle Security Alarm Circuit

Last Updated on February 2, 2024 by Swagatam 4 Comments

motorcycle anti theft alarm circuit diagram using tilt switch and TTP223

In this article I have explained a simple motorcycle ant-theft security alarm circuit using a tilt switch and a TTP223 touch switch. The circuit was requested by Mr. Sergei, as given below. Design Request and Specifications I am a motorcyclist and I would like to ask you to design a simple and cheap alarm system […]

Filed Under: Automobile Electronics, Security and Alarm Tagged With: Alarm, Motorcycle, Security, Simple

Security Alarm Circuit using RCWL-0516 Microwave Radar Sensor

Last Updated on August 22, 2024 by Swagatam 6 Comments

microwave radar intruder security alarm circuit

This security alarm circuit using RCWL-0516 microwave radar motion sensor will detect any moving thing in the restricted area and turn ON an alarm sound. The RCWL-0516 is basically an advanced motion sensor using microwave radar signals. I have already discussed the working of RCWL-0516 elaborately, which you can read for more details. Circuit Description The […]

Filed Under: Security and Alarm Tagged With: 0516, Alarm, Microwave, Radar, RCWL, Security

Infrared Car Door Lock Security Circuit

Last Updated on November 11, 2023 by Swagatam Leave a Comment

IR transmitter compressed

In this post I have explained how to build a simple yet foolproof infrared based remote control, which can be used for locking and unlocking any vehicle door through a personal remote handset. The remote controlled vehicle door lock is foolproof since it works only with a specific IR frequency range, and will not respond […]

Filed Under: Automobile Electronics Tagged With: Door, Infrared, Lock, Security

Intruder Position Indicator Security Circuit

Last Updated on January 4, 2024 by Swagatam 17 Comments

In this post I have explained an LED based intruder position indicator circuit which will indicate the position of the burglar throughout the secured corridor as the person tries to sneak past the area.The idea was requested by Mr. Michael. Circuit Objectives and Requirements Your articles are nice, well done. sir can this, close and […]

Filed Under: Security and Alarm Tagged With: Indicator, Intruder, Position, Security

SMS Based Laser Security Circuit

Last Updated on September 11, 2019 by Swagatam 36 Comments

blockdiagram

In this post, I will show how to construct a laser security circuit which can send SMS alert to owner of the property or anyone else and activate loud alarm to deter the crook, which can be interfaced via relay. We always fear about crooks especially when we leave our property alone, this where security […]

Filed Under: Security and Alarm Tagged With: Based, Laser, Security, SMS

RFID Security Lock Circuit – Full Program Code and Testing Details

Last Updated on August 9, 2019 by Swagatam 6 Comments

P 20161027 182018 1 p 1

In this article we will see how an Arduino based RFID reader circuit could be used for controlling a relay, which in turn could be used in security door lock applications. Overview If you haven’t yet checked the previous RFID article, please go ahead check it out, it covered the basics of RFID technology. We […]

Filed Under: Security and Alarm Tagged With: Code, Full, Lock, Program, RFID, Security

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