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 ...

You Can Calibrate Your Smart TV Without Any Fancy Tools - Here's How

Did you just get a brand new Smart TV and now you're looking for ways to calibrate the image? Here's how to do so without ...

Hornady’s High-Speed, 3-in-1 Case Trimmer: I Trimmed over 3,000 Cases, Here’s How It Went

I just finished trimming over 3,000 pieces of brass with Hornady's high-speed case trimmer. Is it a good fit for your ...

Do You Need A Special Socket To Remove O2 Sensors?

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread ...

Outreach workers pass out free fentanyl detection devices to help screen drugs, reduce risk of overdose

A young man approached a card table set up under the Green Line tracks on the city’s West Side and asked the woman behind it ...
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How Kent County residents can get free radon test kits this month

Kent County residents can also pick up free radon test kits at KCHD’s main clinic at 700 Fuller Ave. NE in Grand Rapids, while supplies last. To learn more, call 616-632-6900. KDL cardholders can ...
Hackaday

Trace Tracing To The Tunes

Some kind of continuity beeper has been a standard piece of gear since the dawn of electronics. Sure, you probably have an ...