This video features an unboxing of a mysterious metal detector kit received in a surprise package from Hong Kong. The ...

Step 1: First, you need to make an account on the CircuitDigest Cloud. If you already have one, just go to the CircuitDigest ...

Abstract: Video, as a key driver in the global explosion of digital information, can create tremendous benefits for human society. Governments and enterprises are deploying innumerable cameras for a ...