Hello friends, in this tutorial I will teach you how to build a radar system. I will use an Arduino, an ultrasonic sensor, andProcessing software. Processing software will be used to calculate the distance and angle of the scanning area.…
The Vivo X300 series has been launched in India on 2 December 2025. Many people were waiting for this phone, and now the company has finally released it in India after the global launch. This is exciting news for smartphone…
Discover what interstellar objects are, how they travel, and why 3I/ATLAS is trending in 2025. Full list of 1I ʻOumuamua, 2I Borisov, and 3I ATLAS explained. If you are curious to know what these cosmic visitors are, how fast they…
Find the best gaming phones under ₹20,000 with performance tests, display quality, battery backup, camera review, and gaming FPS for 2025. Choosing a gaming phone under ₹20,000 is very difficult today because the market has too many options. Some phones…
In this article, we will make a simple Buld A RFID Based Door Lock Security System using Arduino Nano. Step by step, we will see how this system is built, how it works, what components are needed, its circuit diagram,…
