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.

To arm the system, all you need to do is turn on your automation under the Settings > Automations and scenes menu via the “Automations” tab. To disable it, just turn it off. To stop the alarm once ...

Leviton's excellent 2nd-gen motion-sensing Wi-Fi smart dimmer (model D2MSD) can be combined with a wireless, battery-powered ...

Luckily for you, the Mr Beams Outdoor Motion Sensor Lights are on sale at Amazon for just $35. Originally priced at $60, shoppers can save 42% on this outdoor lighting option that has over 1,500 ...

Aeva introduces the Aeva Eve 1V motion sensor for next-generation manufacturing automation. Eve 1V is designed for a broad range of industrial and manufacturing environments including packaging and ...

He was working as a “quant” in his first job out of college. That’s hedge-fund speak for a stock-trading analyst at a statistical-model-driven quant fund. But like many people who spend their energy ...

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 ...

Unexpeced approaching behind when riding frightened me sometimes, although ready made products are in the market, I made bicycle radar demo. Limitations LD2410 covers 4~5m, so it can miss fast ...

Abstract: The activities of muscles in the forearm have been widely investigated to develop human interfaces involving hand motions, especially in the fields of prosthetic hands and teleoperation.

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) ...