The Completed Video Switchbox

ENCODER: How to stream video
CAMS & VIDEO SENDER: Maplin Electronics
More sockets are fitted to the back of the box. These are used to receive the remote signals from my computer to energize one of the relays, hence select a video camera.

The wires can now be soldered to the PCB, the PCB can be fitted in the case and the other ends of the wires soldered to their respective sockets.

Once the unit has been tested, all that remains is to fit the lid and install it in the garage.