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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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What is DVR and How it Works?

DVR stands for digital video recorder. It’s more advanced technology than VCR. For home use, DVR’s can record TV shows while turning on at set...

Wireless Receiver

We’ve briefly covered what a wireless transmitter is and how it works before. Now let’s discuss another component of a spy package – the receiver. Basically...