2W LED with advanced LED chip PIR motion sensor for automatic on/off operation 120° detection angle with a detection range of 3 to 5 meters 5V, 1A input power, ensuring energy efficiency and low power ...

This project uses an HC-SR04 ultrasonic sensor to measure how close an object is. A buzzer and LED react depending on the distance, similar to a car parking sensor. < 10 cm → buzzer and LED stay on.

Unexpeced approaching behind when riding frightened me sometimes, although ready made products are in the market, I made bicycle radar demo. Limitations LD2410 covers ...

Abstract: It is very important issue in India to solve the problem of wild animals attacking agriculture fields. This paper develops a prototype animals avoider model to surveillance the field 24x7 ...

Abstract: Multitap complementary metal–oxide–semiconductor (CMOS) image sensors offer the capability of programmable exposure patterns. This article proposes a method to extend the dynamic range (DR) ...

Have you ever rummaged through your wardrobe at 6am, only to discover that your ‘black’ work trousers are actually navy blue by the time you reach the office? Well, a little well-placed lighting could ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Rachel Cericola A smart doorbell camera allows you to see who’s on the other ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission. Video doorbells are much more ...

Top lawmakers, influential Indian American business leaders, and former U.S. diplomats on Wednesday (September 10, 2025) warned that President Donald Trump’s trade war with India and his ...