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Recent content by Bacra2k

  1. Bacra2k

    How to make a 100 MHz frequency counter using PIC

    Re: freq .counter Help? You can see this **broken link removed** It may be heplful Greetings
  2. Bacra2k

    How to start designing an AC to DC power supply?

    Re: AC to DC ? You need a transformer reducer 250V to 24V approx. a rectifyer, caps, LM7805 and a diode to reduce 5VDC to 4.4VDC X 1A. approx.
  3. Bacra2k

    how can I make an IR tx/rx to connect it to PC mainboard?

    Here is another scheme for IrDA that it conects directly to PC
  4. Bacra2k

    Question about transformers 300VA

    300VA Transformer If amplifier is made with transistors, you must take a good look in the specifications of power output transistors ( that Vce and Ic let them become the necessary ) in order that this don't hoverheat. A transformer with the necessary characteristics for 60W RMS'S stereo...
  5. Bacra2k

    PIC CONTROLLED DIGITAL CAPACITANCE METER

    Apparently it is the same one... it has the same archives. And passing to something else... very interesting link.
  6. Bacra2k

    PCB drill controller plans

    Do you know how to make a PCB drilling Machine or know some link about? THX
  7. Bacra2k

    Have effective are electronic mosquito repealer circuits?

    Here are attachments
  8. Bacra2k

    Have effective are electronic mosquito repealer circuits?

    Mosquitero Here is a very simple mosquito repeller circuit, you have to adjust: P1 to adjust for a change the time of activation and P2 to adjust the oscillation frequency (14.5 - 15KHz)
  9. Bacra2k

    Opinions on Ultiboard 2001 performance

    utiliboard 2001 If someone have a link to download Utilboard 2001 + SP1 please PM
  10. Bacra2k

    EAGLE Layout (3D Modeling)

    eagle layout :?: Where I can get the PovRay programm? :?:
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