Not sure what these or what to do with them any suggestions.

I'm sure there will be a ton of people know what first one is. I'm just not one of those people. The 2nd and 3rd picture are components that came out of tv broadcasting equipment. It was very weird opening those cases up. They have PCB, ribbon wire, regular wire, wire with gold plated connectors that was flexible and couple pieces that weren't. Some of the wire went into the hardware pieces that look closer to being some kind of plumbing fixture instead of an electronics. I'm interested in know what these things are and what there purpose is. Also would like to know what to do with them.

Btw I haven't open the 2nd picture not sure if it has any PCB inside or not.

Sorry pushed submit twice.

the small one is transmitting relay. It is I’ll go as low peripheral.

You have yourself a signalling unit. Not my field, but Kool to see.

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