Page 240 - 15 Dangerously Mad Projects for the Evil Genius
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Appendix   ■    Electronics Construction Primer     215


           As you can see from Figure A-9, the waveform    abound, where you can post your questions and
        is displayed over the top of a grid. The vertical  receive high-quality answers.
        grid is in units of some fraction of volts, which on  Books and hobby electronics magazines offer
        this screen is 2V per division. So the voltage of the  you useful projects with some words of
        square wave in total is 2.5   2 or 5V.             explanation about their designs. As time goes on,
           The horizontal axis is the time axis, which is  you will find yourself understanding more and
        calibrated in seconds—in this case, 500            more.
        microseconds (mS) per division. So the length of     Also, seek out clubs in your area. Radio
        one complete cycle of the wave is 1000 mS, or      amateur “Ham Fests” (nothing to do with pork)
        1 millisecond, indicating a frequency of 1 kHz.    are a great way to meet other enthusiasts and pick
                                                           up interesting bargain components.

        Summary

        Many resources are available to help you learn
        electronics. On the Internet, electronics forums
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