The current stackexchange question does not use the phrase "single wire" and more importantly nothing about your headphones will work with a single wire.
> The current stackexchange question does not use the phrase "single wire" and more importantly nothing about your headphones will work with a single wire.
Its pretty common in the electronics world to not count the ground as a wire in a communication protocol, only wires carrying data are counted. For example the "1-Wire" inter-IC bus create by Maxim.
Its pretty common in the electronics world to not count the ground as a wire in a communication protocol, only wires carrying data are counted. For example the "1-Wire" inter-IC bus create by Maxim.