As I mentioned in a recent thread, I built a USB powered speaker (from this Instructable):
My audio input source is a stereo headphone jack plugged into my computer, but the circuit only handles mono sound. The Instructable says to twist the two stereo wires together, but I read in this thread:
My audio input source is a stereo headphone jack plugged into my computer, but the circuit only handles mono sound. The Instructable says to twist the two stereo wires together, but I read in this thread:
Is it really necessary to add resistors?You do not know if the music source will blow up if you short the channels together. I would make a mixer with two series 3.3k resistors.