Air is a necessity for us human beings, so monitoring it is important. Air quality is monitored in terms of the Air Quality Index(AQI), a single-number scale used to tell how polluted the air is and ...
Configures and initializes the OV2640 camera sensor. Calls stopI2S () to release GPIOs 12, 14, and 15. Sets up the camera pin ...
A microcontroller and an accelerometer make LED pixels behave like liquid, pouring between an LED panel and a monitor. Pixels ...
As long as the circuit is complete—which in a flashlight means the switch is left on—current will continue to flow, gradually ...
Smartphones may give us an easy access to a light source, but for seeing objects at a distance or brightening a workspace in places like the attic or under the sink, you need the power and range of a ...
If you're starting to notice that your skin is looking a little, well, tired, you're not alone. The visible signs of aging—I’m talking fine lines and wrinkles, dullness, even sallow skin—will strike ...
It doesn’t matter what outdoor activity I’m doing; I always pack a headlamp. Choosing the right hands-free light may seem like an easy task—just pick the brightest, right? However, there are a lot of ...
3. Use an all-purpose sensor that can detect any tampering No matter what you’re worried about, this small Aqara P100 sensor ($30) can help you track it. The stick-on device takes seconds to calibrate ...