You no longer need to spend money on expensive smart devices. If you take your data’s privacy seriously and want your smart home to operate locally, it’s high time to pick up a couple of ESP32 boards.

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...

VIEWE has launched a 4-inch round HDMI display with 720x720 resolution, and a USB touchscreen function suitable for SBCs like ...

Elecrow AI Starter Kit for the NVIDIA Jetson Orin Nano turns the NVIDIA Jetson Orin Nano into a learning and educational kit ...

If you’ve got a smart home, or you just want to know how soaked your garden is getting in the winter, you might want to measure rainfall. There are a bunch of ways to go about it, and this capacitive ...

In a year when most meteorologists were watching signs of drought — especially across the western half of the country — the middle of the U.S. has been inundated with moisture. It’s not just been hot, ...

While fluorophore-biomacromolecule systems are relatively well known, afterglow luminophore-biomacromolecule conjugates/complexes are rarely studied. Here, the authors report the development of a ...

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 ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Air quality infamously drops as the days grow cold and we ...