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The electronic parts of a microwave oven

Discussion in 'Electronic Basics' started by [email protected], Feb 1, 2005.

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  1. Guest

    Any interesting electronic projects using the entrails of
    a microwave oven?
     
  2. Art

    Art Guest

    Other than trying to execute yourself? Many of the operational voltages
    generated within the average home microwave oven's HV section can and have
    been lethal. The microcontroller and timer circuitry may however be of some
    use to an experimenter.
     
  3. They aren't really a source of parts. They are fairly simple devices,
    with much of their size used up in the cooking space. And what parts are
    there are likely to be pretty specific, to microwave or to high voltage.
    The only way you'll get much in the way of useful parts is if you are
    doing something with either of those things.

    VCRs are a much better source of common parts. Lots of resistors, and
    capacitors. Plenty of small signal transistors. Some neat radio related
    components, if that interests you. Usually some common DC motors. All the
    screws you can use. They are also easier to carry home when you find them,
    compared to microwave ovens.

    Michael
     
  4. Guest

    The circular magnets from the magnetron of a microwave oven are
    very strong and I have a dozen or so with which I have performed
    some interesting experiments, but I understand that the device they
    are attached to contains a radioactive gas which can be a health hazard.
    Perhaps someone else can confirm this.
    Regards, KT
     
  5. Art

    Art Guest

    Negative on radioactive gas inside the Mag. Again, worse problem is possible
    HV stored in HV Cap that can give a very nasty shock indeed.
     
  6. Thirsty

    Thirsty Guest

    Am well aware of HV. (I did the jacobs ladder and telsa
    coil things many years ago.)

    I disassembled the oven a year ago and stuffed the
    electrical parts in a box, just haven't taken the time
    to do anything with them.
     
  7. Bob Masta

    Bob Masta Guest

    I have seen plans on the Web to make a welder out of
    the transformer (or several transformers wired together).
    The basic idea seems to be to cut off the HV secondary windings
    and wind on a few turns of heavy gage wire. I think they
    typically get about 4-6V per transformer this way, and add
    more transformers for higher voltages.

    Best regards,


    Bob Masta
    dqatechATdaqartaDOTcom

    D A Q A R T A
    Data AcQuisition And Real-Time Analysis
    www.daqarta.com
     
  8. James Beck

    James Beck Guest

    There is nothing radioactive in a microwave.
    It might be an active radio, but never radio active.
     
  9. Kitchen Man

    Kitchen Man Guest

    The magnets on the F-4 APQ-109 magnetron were awesome; I wish I still
    had some. No gasses in the magnetrons, although I believe the trigger
    klystron did contain radioactive gas. The klystron did the job of the
    trigger capacitor in the typical MW oven (the power of the RADAR system
    was a tad higher).
     
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