This circuit will give call back alerts in the form of blank calls on your cell phone whenever it senses a break in or intrusion inside the particular restricted area where it has been installed for the intended security monitoring. Introduction The cell phone call alert security system circuit which needs to be installed incorporates […]
Security
Make this Home Security Project Using Arduino – Tested and Working
In this article we are going to see how to build a home security system circuit using arduino which might save your home from intruders one day. Housebreaking happens every few seconds in the world. By the time you read this sentence, crooks already broke into someone’s house. A golden rule: Prevention is better than […]
Password Security Lock Circuit Using 4×4 Keypad and Arduino
In this post I will show how to construct a password security lock circuit, which can be accessed by a 6-digit password. To be more precise it is alpha numeric password. Hardware for this Project We are going to utilize 4×4 keypad, which consists of 0 to 9 decimal values, two special character ‘#’ […]
Laser Activated GSM Call Alert Security Circuit
In this post I have explained a simple laser GSM call alert security circuit which immediately calls the master as soon as an intruder is detected through a laser beam interruption. The idea was requested by Mr. Roldan. Circuit Objectives and Requirements I am not an electronic engineer, but I can manage to troubleshoot minor […]
Security Alarm Circuit using RCWL-0516 Microwave Radar Sensor
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 […]
Simple Motorcycle Security Alarm Circuit
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 […]