No chemical components hurts human's health, the Passive Infrared sensor (PIR) detects motion and triggers and then the ultrasonic speaker makes a noise to scare away common outdoor animals.

Five sensors have been used in this research such as ECG (Electrocardiography), Oxygen saturation (SPO 2), Passive Infrared Sensor (PIR), Temperature-Humidity Sensor (DHT11/DHT22 and HS1101), Digital ...

The breakthrough opens up exciting possibilities across fields such as communication, imaging and sensing by laying the foundations for faster and more compact lasers, sensors and other optical ...

Safety features include a tip-over sensor, an automatic shut-off timer, and a cool-touch exterior. We’re big fans of the Dr. Infrared portable space heater, and we’ve proven it through several ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Whether you’ve got young children or not, no medicine cabinet should be without one of ...

The new NS8000 Series Network Sensors combine temperature, humidity, CO2 and occupancy sensing in one versatile device. Controls Channel Account Managers shows how to cut wall clutter, reduce ...