Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, and it is also very simple to build. All you need are a few basic parts, ...

These devices have key drawbacks. Water level indicators require manual pump operation and often waste power as multiple LEDs ...

Search and find the accurate and updated pin code of post offices in India using this India pincode search. Enter the name of any place in India to find the Postal Code or ZIP code of that particular ...