How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
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How to set your heart rate zones

Understanding your heart rate can be helpful to calibrate your perceived exertion, especially on easy and steady runs. This ...

Raycast is finally on Windows, and it totally changed how I use my PC

While Apple’s Spotlight feature provides similar utility on Macs, Raycast is more powerful and flexible—and it now works on ...
CNET

Garmin Users No Longer Need a Separate App to Track Their Calories and Macros

If you already use Garmin Connect Plus to track your workouts and health metrics, you can now do the same for your calories, ...

8 HDMI tricks to get the best performance from your TV - and most are free

If your devices only support up to 4K at 60Hz, a "premium high-speed" HDMI cable (18Gbps, HDMI 2.0) is perfectly fine. Again, just avoid really old or thin cables. Early HDMI cables (HDMI 1.4 or older ...