we designed and implemented a speaker recognition device that acts as a lock triggered by the sound of your voice saying a specific passcode. The implementation uses hardware filtering from... Read more
Hey fellow DIY’ers. Have you ever found your house door open after returning from a long trip? Me neither. But it is always good to have a safety system in our houses. I’m not ta... Read more
Description This project is a development of our ESP32-CAM Video Surveillance Robot project. Eventually we got a video surveillance pan & tilt camera that can be controlled with an iPhon... Read more
In these days we’re here with our subsequent assignment that is RFID and keypad primarily based security machine. This assignment is implemented by means of the use of 8051. often we a... Read more
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 si... Read more
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 ke... Read more
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 c... Read more
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... Read more