Security – Safety Projects

Keypad Interface With 8051 and Displaying Keypad Numbers in 7 Segment

Keypad Interface With 8051 and Displaying Keypad Numbers in 7 Segment

In this tutorial I’m going to tell you about how we can interface keypad with 8051 and displaying keypad numbers in 7 segment display Step 1: Software Used As we are showing proteus simulation so FOR CODING AND SIMULATION YOU REQUIRED: 1 Keil uvision: Their are lots of product from keil. so you will be required

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Arduino

How to build alarm security system using motion sensor with PCB Prototyping

Introduction Security is important for everyone from our homes to places of work. You need to feel safe when you are sleeping at night. You might have important documents that you need to keep private. Sometimes you have property in your house that must be secured. Well, you need a good security system. This way

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Keypad Door Lock using AVR Microcontroller – Atmega16

Keypad Door Lock using AVR Microcontroller – Atmega16

Password Based Keypad Door Lock  In this article, a digitally secured lock based on password verification is explained. The system uses a seven segment display array to show the password, a matrix keypad to enter the numbers/password and operates a relay (to activate the solenoid valve) for locking and unlocking purpose. The system alarms through

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RFID based security system using AVR ATmega32 microcontroller

RFID technology brought a great revolution in our life as it simplifies the machine communication. RFID’s are used almost everywhere today Schools, hospitals, industries and much more. This article teaches you to build a simple RFID based security system using AVR microcontroller which is reliable and cost efficient. You gotta be familiar with working principle

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