“Why you can trust Digital Trends – We have a 20-year history of testing, reviewing, and rating products, services and apps to help you make a sound buying decision. Find out more about how we test ...

Based on the µBlue nRF8001 Bluetooth V4.0 low energy connectivity IC from Nordic Semiconductor, a temperature-sensing device from National Electronics & Watch Co. (NEWCO) enables low-cost temperature ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton After a round of testing we’ve added many new picks: the ...

We may receive a commission on purchases made from links. Though the meaning of smart home varies depending on who you ask, with so many useful smart sensors for your home, if your home isn't smart, ...

The handy project is built around a small Microchip 12F509 controller, an alarm, and a temperature sensor to remember the monitored temperature of how long it has been above a temperature set point.

The old saying “if it ain’t broke, don’t fix it” cautions against tampering with something that performs reliably and regularly proves its worth. Arguably, this advice applies to the circuit design ...

This post was done in partnership with Wirecutter. When readers choose to buy Wirecutter's independently chosen editorial picks, Wirecutter and Engadget may earn affiliate commission. Read the full ...

It may not seem like it, but this small accessory is a big deal in smart-thermostat-land. One of Nest's main thermostat competitors, Ecobee, already includes a remote temperature and proximity sensor ...