Here’s a quick and easy weekend project, a simple metal detector! We all know 555 timers are very ... It’s a very basic concept that uses a coil of copper wire as a home-made choke — when ...

I have a graphite fiber tripod, and for some reason, whenever I am near high tension wires, it feels differently. I can literally feel some kind of process going on when I slide a finger along the ...

At the same time, the powerful NSW Health Services Union boss Gerard Hayes has added to calls for increased knife penalties amid a spate of high ... to use metal detectors to search people without ...

You can place the CO detector anywhere in the room ... There are three types of carbon monoxide sensors: metal oxide, biomimetic and electrochemical. However, all classes are tested and are ...

Sadly, half of all house fire-related deaths occur in homes with working smoke detectors. That’s why smoke detector knowledge ... electrical contractor for a professional installation.

A metal detector like nothing you have ever seen. “So, all you have to do is you walk up to the machine, you press the button right here and it turns on, that’s it, it’s ready to go.

This combining with the pulse-width modulation will bring the detector’s discrimination into the whole new level! Sometimes, when you search for gold, you will choose the All-metal mode as you ...

Only one thing that we are not crazy about is its sensitivity to gold. We are not so sure but the product seems to lose its accuracy when it is put into the high ... of a metal detector includes ...

This Garrett metal detector combines ease of use and versatility in a way that is unparalleled. It highlights an ACE Environmental Coverup, Easy Stow headphones with volume control, and submersible ...