I purchased one of each of these cheap sensors recently from aliexpress for testing purposes. Compared with the ubiquitous HC-SR04 (*), I liked the idea of having a combined emitter/receiver, i.e.

This project is an Arduino-based home automation system that brings together multiple sensors and a Bluetooth module to detect smoke, flame, and rain. It also allows you to control certain outputs ...

Nainital: The Uttarakhand High Court on Friday heard a petition to include cap in the official 'dress code' of lawyers in the court. Advocate Vinod Nautiyal has filed this PIL. In his petition, ...