Internet of Things (IoT) Tutorials, Tips, Tricks, How It Works, Projects, Examples.
Hey folks, welcome to my blog. Before we go ahead let me you guys why I had written a blog on this topic because I felt that there is a huge increase in usage of wireless devices and machines. So, it’s mandatory now to improve our skills in various wireless communication techniques. As a beginner, … Read more
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