INTERFACING LM35 TEMPERATURE SENSOR WITH ARDUINO UNO

Hey folk, in this blog we will discussed about interfacing LM35 temperature sensor with Arduino UNO. Introduction about LM35 temperature sensor: LM35 is a precession Integrated circuit Temperature sensor, whose output voltage varies, based on the temperature around it. It is a small and low-cost IC that can be used to measure temperature anywhere between -55°C to 150°C. … 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

How to measure distance using Ultrasonic HCSR04 & ESP8266 Node MCU

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