Outdoor light motion sensors can add a healthy level of security to your home. Here's how to set them up.

It uses an infrared sensor to measure the temperature of an object and is FDA-certified to monitor body temperature. We show you how to use the Google Pixel 8 Pro's temperature sensor.

These sensors use infrared, radar, and sound waves to detect changes that mean someone or something is in the space. Use cases: If someone passes into the hallway, turn on a light.

Ear thermometers take a person's temperature using an infrared sensor. Learn more about their accuracy, how to use them, and alternative methods here.

How does the blood oxygen sensor work? The blood oxygen sensor is built into the back of the Apple Watch. It uses four clusters of red, green and infrared LED lights and four photodiodes, devices ...

The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a year thanks to a patent spat, but it's back in action now.

IR blasters are hardware components and cannot be installed or downloaded. If your smartphone does not have an IR blaster, you need to use an external IR blaster device.

Forehead thermometers use infrared sensors to pick up on infrared radiation that the body produces. Although infrared radiation is not visible, a person may be able to feel it as heat.

How Infrared Images Could Be Part of Your Daily Life In a post-quarantine world, heat sensors could help spot sick people with elevated temperatures as they enter public places.

Researchers have finally figured out how mosquitoes see humans in the dark: They detect infrared light the body generates via heat.