In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...

The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for installation. The $50 sensor runs on two coin cell batteries so you don’t need a nearby power source for ...

Matt Carey, the co-founder and CEO of Boston-based startup Teradar, loves when people tell him: “I don’t believe you.” That’s “right where we want folks,” he recently told TechCrunch. Carey has spent ...

While Apple and Samsung race to be the first company to perfect a fingerprint scanner that resides under a smartphone's display, a Chinese company called Vivo has already done it. Vivo is launching ...

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 ...