More a Junker “spy” I bought in the store Banggood, TudovemdaChina sponsor. This equipment has a small camera that transmits video to a receiver to be connected to the monitor or TV. The box comes with the receiver, an antenna, a ...

For some time I've been looking for a portable projector for my classes, exactly since Sheldon, the Big Bang Theory, used one of these on the show. I ended up taking courage and buying the shown in the figure below. Near ...

The world is moving towards the wireless side of the force. It's much more comfortable to use electronic devices without having to worry about wires. However, in most cases there are disadvantages to using the traditional way, with wires. One of the main ...