Based on e-mails from readers of this newsletter, many of you have some concerns about buying multi-function security devices because they represent a potential single point of failure. It’s a good ...

** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** Relying on his experience as an ...

Xiaomi has unveiled the MIJIA multi-function flashlight, which has a range of 240 meters. The MIJIA multi-function flashlight has a brightness of 1000 lumens with three levels of brightness – low, ...

Concerned with your project’s power consumption but don’t want to constantly leave an ammeter wired in series with your power supply? [Rajendra] feels your pain and has recently documented his ...

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