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  1. phil7

    Ultrasonic cleaner

    I have a project to develope an ultrasonic cleaner for cleaning fruits,vegetables,dishes and so on. But I have no idea about this. Could anyone help me on this? A theory and schematic diagram will be a great help for me.
  2. phil7

    Electroneuro stimulator

    Thanks to everybody read this article. I need a help to find out a schematic diagram for electroneuro stimulator that use low frequenciy rectangular  pulse ranged from several  hertz to hundreds hertz. Is there anyone who give me a help on this?
  3. phil7

    What are those Black lines, when you look at Monitor through Camera?

    Dear Shahriar; I agree with your opinion, you are seemed to ask the questions and answer for that
  4. phil7

    New to this...I want to replace my car's mirrors with rear-view cams.

    It seems not good idea to use PMP for the monitor and another screen on the gauge cluster. It is too complex. It seems to be more simple to mount the PMP proper place and input the video signal from camera directly to it. Or,if you just want more room in your car, consider ceiling type monitor...
  5. phil7

    New to this...I want to replace my car's mirrors with rear-view cams.

    I think it is not easy to find out QVGA  display module in the market compare to 5.6~7" VGA display module. You'd better to get 5.6~7" monitor which is common in the market and install on the dashboard. Most of those monitors can accept NTSC/PAL composite video signal and also output of the rear...
  6. phil7

    cuckoo sound generator

    Thanks audioguru. I think your comment is very helpful for me ,thanks again.
  7. phil7

    cuckoo sound generator

    I found the schematic for the cuckoo sound generator at the electronics-lab.com/projects/misc/011. But,when I check the schematic diagram, I found the collecotr of the Q1 was just opend and floated. Did  anybody check this circuit? Is it O.K?
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