Light, a major enforcer of circadian rhythms, has long been linked to various health impacts. For instance, shift workers exposed to light at night have a higher risk of heart disease.

Modern RC cars can be pretty darn fast. That’s fun and all, but it also makes it easy to crash them into things. This problem ...

For those of us who aren’t blessed with a green thumb and who are perhaps a bit forgetful, plants can be surprisingly ...

Photoelectric sensors detect objects and surface changes using variations in optical properties. Each sensor includes a light emitter and a receiver, with most relying on infrared light. In optical ...

Motorola Mobility was established in 2011 following the split of Motorola into two companies, with Motorola Solutions catering to the enterprise segment. Acquired soon after by Google, Motorola ...

Written by Kevin (KTOWN) Townsend for Adafruit Industries. BSD license, check license.txt for more information All text above must be included in any redistribution To install, use the Arduino Library ...

Build a device that will check whether your door is locked, using a Raspberry PI, a hall effect sensor and a small but strong (preferably neodymium) magnet. It will store the results in a cloud ...