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How to Install a Hard Disk in a DVR (CCTV) – Dahua XVR5108C-X With WD Purple 2TB

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

How to enter your home without a key: Video

The front door has gone digital! Ditch digging around for a key and unlock the door with a pin code or finger print instead.