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  1. quincy

    catcam project!

    http://optronik.tripod.com/cgi-bin/loader.pl?pe_catcam.htm heres a fun project that i think could progress a lot if it was added here at electronics lab id like to do it, but i have no idea how to start programming microcontrolers my goal here would be to rework this project to be easier, with...
  2. quincy

    The Oscilator projects

    i'd like to know a lot of stuff about some of the audio oscillators that are projects here. i thought id just start a general discussion :D to start off, i was wondering about the kind of transistors that can be used for the reverse bias oscillator. -can you use NPN darlingtons? and were can you...
  3. quincy

    which amp to build?

    here are 2 amps that i am thinking of building: http://www.electronics-lab.com/projects/audio/017/index.html http://www.electronics-lab.com/projects/audio/005/index.html which should i build? i am aware that the first has some errors in the schematic and the power supply. i also probably need...
  4. quincy

    How does one measure frequency response?

    how do you measure it in speakers? can you just get a bunch of tones in sound files that are completely one frequency? should i try and find some of these? or should i just play notes on a sawtooth synth on my keyboard until the speaker wont play them? and on a different note, how are capacitors...
  5. quincy

    weirdest speaker yet

    i would guess most of you know how normal speakers work, with just a cone and all. but even the weirder ones still have a vibration created with a varying current going through a conductor to create a magnetic field. but i recently came across something that is very different and i have no idea...
  6. quincy

    help me read this circuit? please?

    what does it mean in this circuit when the wire just ends with a dark rectangle? is that ground? i cant find that symbol anywhere.
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