Automatic Air Curtain Door Sensor Switch This little construction project came to life after a fairly expensive commercial air curtain door sensor switch bit the dust. That is what got me to thinking ...

Illuminate your indoor and outdoor space by finding the smartest automatic day and night switches that operate with photocell sensors.

Automatic Water Tank Pump Switch Hardware • Microcontroller Unit: The designed circuit shown here includes an Atmega328P-PU as the kernel, a number of LEDs to display the system status, a push button ...

For a new surgical suite at St. Margaret's Hospital, Spring Valley, Ill., the surgeons, administrators, and facility managers wanted to find an automatic door that would keep incoming germs to a ...

Cars Wiper woes: My SUV’s automatic rain sensor is all wet John Paul, AAA Northeast's Car Doctor, answers a question from a reader who’s having no luck with his new vehicle’s rain-sensing ...