Protect your loved ones with the first line of defense against fires and other dangers in your home.

Battery dies in about four days. Collar clasp and adjustments are tricky. Proprietary charger. Location data isn’t very granular. Needs a subscription to use. The Tractive Cat 6 Mini was released this ...

Polar firmware 6.0.18 is rolling out to six watches with new health graphs, custom buttons, on-watch sport settings and an 80 ...

A muscle oxygen sensor straps over a working muscle and uses near-infrared light to estimate the oxygen saturation of the tissue beneath it, known as SmO2. The reading reflects the balance between ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

A lot goes into wiring a race car's ECU. Here's what you need to know to wire a race car's ECU and what we used for our Gen III HEMI project.