In this opportunity I will assemble the DSO-SHELL DSO150, it comes pre-assembled and we have to solder other components like ...

Discover how to build a portable DIY solar charger for your smartphone using simple materials like copper foil tape, a micro-USB cable, and hot glue. This step-by-step tutorial guides you through each ...

Tommy Liu builds a vehicle-mounted particulate matter monitoring system powered from harvested wind energy and an integrated ...

You don’t see them much anymore, but there was a time when any hobbyist who dealt with RF probably had a grid dip meter. The ...

The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as ...

Portable power stations are handy for backup power during outages, off-grid electricity for an RV, or simply charging your laptop and phone while working remotely. They’re effectively large bundles of ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

Having been a gigging musician, DJ, and karaoke provider for over 25 years, I’m well aware of the stress and anxiety many face when it comes to purchasing, transporting, and using the best portable PA ...

Dump that poky portable hard drive! External solid-state drives are faster and more affordable than ever. Check out our top-rated SSDs, plus detailed advice on how to buy the right one for you. Since ...

Laptop drive almost full? Need to back up your photos? Desktop-size and portable platter storage has never been cheaper. Our deep-dive reviews help you track down the right external hard drive. Since ...