3
votes
3answers
485 views

Data over power line in a car

I am trying to build a communications system for a car, for turning gadgets on or off. One idea was to parasite on power lines, but what kind of components and signaling could be used for this? I am ...
2
votes
2answers
631 views

DC power line communications

I want to send a signal through the DC power lines used in railway compartments. Can you please help me to do that, or provide some documents or links?