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In this video I’m showing how I’ve built a very simple battery backup circuit for my home alarm system. The circuit charges a 12v lead acid battery and in an event of a power loss, it transfers the ...

Just six days before the 2026 session of the Minnesota Legislature, a big change is coming to the State Capitol. For the first time in history, metal detectors will be in place to screen for guns and ...

JACKSONVILLE, Fla. – Duval County Public Schools is in the process of installing metal detectors at Springfield, Mandarin, Oceanway and Ribault middle schools this week. Installation started Monday, ...

The Atomfall Metal Detector will light up when you're near a Buried Cache. The red lights on the top point toward the direction of the Buried Cache, and the meter on the bottom will go higher as you ...

New metal detectors installed at the Ohio State University Wexner Medical Center alerted security to 584 weapons in September, according to officials. To prevent weapons from entering facilities, the ...

Why would you want to detect metal? Oh, I don't know … maybe you want to find some gold in the ground. You could dig up ALL the dirt, or you could find the location that has the gold before you dig.

So, you've binged a few treasure-hunting shows and now you're wondering if your own old detector in the garage can find you a pirate chest. One of the first questions that may pop up in your head ...

Shortly after the 9/11 terrorist attacks, Iowa lawmakers decided to install metal detectors at the Iowa State Capitol as part of stepped-up security measures. By most accounts, the metal detectors ...