Security – Safety Projects

SingLock

SingLock is a pitch-based security system based on ATMEL MEGA1284P microcontroller featuring two password protection stages: one based on a 4-digit numeric personal identification number inputted via the keypad and another based on two pitches inputted via the microphone. Most security systems we find today are keypad and/or keyboard-based. Speech, rather than button-pressing and/or typing, …

SingLock Read More »

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 …

Keypad Interface With 8051 and Displaying Keypad Numbers in 7 Segment Read More »

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 …

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

How to work with the ADC unit of an AVR Micro controller

How to work with the ADC unit of an AVR Micro-controller

Introduction The first step to digital signal processing is to convert a signal into digital data, and here the Analog to Digital Converter devices comes into action. Some of the AVR micro controllers include ADC unit in their features. This is a very useful unit for measurement related applications. The ADC used in AVR micro …

How to work with the ADC unit of an AVR Micro-controller Read More »

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 …

Keypad Door Lock using AVR Microcontroller – Atmega16 Read More »

Scroll to Top