Become a Web 3 & Blockchain Developer in 2022 | Step by Step Guide

Web 3 & Blockchain Developer

What is web 3.0 in simple terms? Web 3.0 has the potential to change the internet as we know it forever. You’re still early in catchingthe trend and building your first blockchain application, acquiring the skills to get a high-paying job, or creating your own web3 projects that can make you money. In Web 2.0 … Read more

HOW TO MAKE DOOR SECURITY ALARM SYSTEM

Door Security alarm system

Nowadays security is the more important role in our day to day activities, in general, we protect our door using a hardware lock system. Most of the time thieves can easily break or open your door lock and entering in your house when you are not present at your house or you are alone in … Read more

HOW TO MAKE AUDIO AMPLIFIER USING LM386 WITH NOISE REMOVAL

LM386 AUDIO AMPLIFIER

 In this blog, we have to make an audio amplifier using LM386 and study how to remove noise in an audio amplifier. As technology is evolving day by day electronic devices are also getting better, smarter, and smaller as well and so is my blog about. We are going to study about how an ordinary audio amplifier using … Read more

How to measure distance using Ultrasonic HCSR04 & ESP8266 Node MCU

Become a Web 3 & Blockchain Developer in 2022 | Step by Step Guide

We will learn about HC-SR04  widely known as Ultrasonic Sensor, how it works, and how to interface with the NodeMCU. And also how to measure distance using ultrasonic sensor & ESP8266. Before building the circuit let me explain what is an HC-SR04 Ultrasonic sensor?? As the name indicates, ultrasonic sensors measure distance by using ultrasonic waves. … Read more