Recent content by Philipf

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    Electronic Stethoscope 2

    I've had a terrible time trying to get this circuit to work on a breadboard.  The most I've had it do it make a faint noise when I put the headphones in.  I think Im putting the last section together(U5). Just ordered some vero board, i know where I am when Im soldering :) 
  2. P

    Electronic Stethoscope

    I see.  Think I've got 1 on an old cable finder. Another question, whilst searching for the Op-Amps, I have found TL072, but there is a variety, each with different letters after them, IE; TL072CP TL072CDR TL072ACD etc etc.. Will any of these do the job? Ta, Philip
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    Electronic Stethoscope

    Thank you very much :) It will be a good project, just having trouble sourcing the 2.2K to 10K audio-taper.  Im in the UK and cant seem to find it anywhere, might have to start taking things apart :D Philip
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    Electronic Stethoscope

    Hi, Im not so new to electronics, but new to building from scratch.  I repair mobile phone circuits for a living, and Im not sure if its a confidense issue, but have never really built a decent project, and this is 1 that I want to build. My girlfriend is pregnant and thought it would be good...
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