When you need to quantify the color of an object, you’ve got quite a few options. You can throw a Raspberry Pi camera and OpenCV at the problem and approach it through software, or you can buy an ...

Hue's Outdoor Sensor works with Apple HomeKit, and it's actually three sensors in one — motion, temperature and ambient light. The app's sensitivity controls are the best I've seen for a device like ...

We independently review everything we recommend. We may make money from the links on our site. Learn more› Advice, staff picks, mythbusting, and more. Let us help you. Published March 9, 2017 Grant ...