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How to Protect Your Cryptocurrency from Hackers? Hot & Cold Crypto...

We talk a lot about personal security and privacy when it comes to electronics. But nowadays, there’s a new area that we should focus...

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CCIR/EIA Standards

Besides the popular PAL, NTSC and SECAM, there are other video formats. CCIR and EIA. These two are pretty much the alternatives to NTSC and PAL, but for...

How Motion Detection Works?

Hidden cameras with motion detection are very popular these days. They allow businesses to save money on surveillance by activating and recording only when...