I've been studying brain waves for a while and I want to do a project like this for educational purposes, manufactured TENS devices do not have an "audio input" they are programmed with an operating pattern, it would be necessary a circuit that "receives" the analog signal from the output sound...
Today a friend of mine gave me two old mono speakers with two separate 2,5mm mono jacks that i think connect as L and R to an amp. He asked me if its possible to connect them together to an 2,5mm stereo jack to make them play music from his smartphone, i searched the internet to find if that's...
Hello all,
I have the attached datasheet for an audio D/A converter (CS43L22) which have stereo headphone out/line out.
I couldn't understand fully the audio jack schematic in the typical connection diagram, specially the difference between the highlighted elements!?
can someone explain the...