1. A

    I want to combine isochronic waves from my phone output with strobing light and electrical pulses like a TENS, it is possible?

    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...
  2. zaxarias.dimi

    Can two mono speakers connect together and play stereo (or at least fake stereo)?

    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...
  3. Younes Thabet

    How to interpret an audio jack schematic?

    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...
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