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        E-MAIL: demysteryboy@yahoo.com
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MYSTERIOUS-ELECTRONICS LAB


           This page contains a huge collection of FREE electronic circuits (schematics) & do-it-yourself projects, for hobbyists, students, professionals etc. covering a wide range of categories in electronics like audio, music,home/garden related,computer hardware,radio,robotics etc to name a few. Thanks for making time to visit our site..................ENJOY YOURSELF AND FEEL FREE TO MAIL ME : demysteryboy@yahoo.com


 

   Portable audio amplifier                    mysterious mixer                              may 8 Fm transmitter                  audio sound woofer

 


  MYSTERIOUS ELECTRONICS LAB 

        This happens to be one of the faces of (Weird-multimedia Inc.). We research,design and build (manufacturing) wide variety of electronic gadgets such as audio mixers,amplifiers,security systems,transmitters,sense activated power supplies and a whole lot yet to launch and published on this page.

    Interest in electronics  and technology in general at a tender age convinced me  to specialize and thereby be trained professionally as an electronic engineer years back.As a result of intense research and study of electronics,many gadgets,devices and machines have been discovered and built.
These include:
         *clap activated power switch                                         
         *touch activated door bell
         *shadow alarm
         *portable audio amplifier
         *sky audio mixer
         *anywhere everywhere power switch
         *door intercom
         *may 8 Fm broadcaster
         *July 22 emergency light
 and a whole lot yet to be published on my site
        There are a lot of neat circuits you might want to try. This page is always under construction and there will be new additions from time to time.Most of these circuits were designed by me, some are not. Whenever possible I have tried to credit the author of a circuit but since many of these circuits are from my personal designs that I have gathered over a period of many years, this information is not always available.
      Majority of these projects can be built with readily available discrete components. Only a few of the circuits rely on microprocessors.Most of the circuits on this site have been drawn with the open-source XCircuit circuit drawing program, it runs under both the Linux operating system and Windows.
       This site provides a series of online textbooks covering electricity and electronics. The information provided is great for both students and hobbyists who are looking to expand their knowledge in this field.


                  CAUTION!!!!!

         If you’ve already worked through a few projects from mysterious electronics and caught the electronics bug you might want to try a few projects from our sources.To help you out here’s a list of some interesting projects that I’ve designed tried. These projects look interesting and are well documented but all so results may vary! Some of these projects use high voltages and currents we make no warranty as to their safety, it is your own responsibility to only tackle projects that you have the knowledge and skills to work on safely. 

                                thank you..




               It was all a dream when I used to worry about how I’m gona switch ON/OFF my home appliances such the lights inside and outside my house even when am not at home. This got me into moments of thinking and researching more into circuits where I played with a whole lot of circuits in my electronic laboratory. After all the fiddling from one circuit to the other, I finally came up with this mind blowing circuit that works like magic. 

                                     view schematic diagram  pdf


                                                                                                  SETTING UP A HOME LAB

     In order to build the circuits described in this volume, you will need a small work area, as well as a few tools and critical supplies. This section describes the setup of a home electronics laboratory.

        Work area

     A work area should consist of a large workbench, desk, or table (preferably wooden) for performing circuit assembly, with household electrical power (120 volts AC) readily accessible to power soldering equipment, power supplies, and any test equipment. Inexpensive desks intended for computer use function very well for this purpose. Avoid a metal-surface desk, as the electrical conductivity of a metal surface creates both a shock hazard and the very distinct possibility of unintentional "short circuits" developing from circuit components touching the metal tabletop. Vinyl and plastic bench surfaces are to be avoided for their ability to generate and store large static-electric charges, which may damage sensitive electronic components. Also, these materials melt easily when exposed to hot soldering irons and molten solder droplets.

      If you cannot obtain a wooden-surface workbench, you may turn any form of table or desk into one by laying a piece of plywood on top. If you are reasonably skilled with woodworking tools, you may construct your own desk using plywood and 2x4 boards.

     The work area should be well-lit and comfortable. I have a small radio set up on my own workbench for listening to music or news as I experiment. My own workbench has a "power strip" receptacle and switch assembly mounted to the underside, into which I plug all 120 volt devices. It is convenient to have a single switch for shutting off all power in case of an accidental short-circuits!

 
 READ MORE.....

 

KNOW YOUR CIRCUIT SYMBOLS

                                                                                                                       VIEW SYMBOLS     

 

                 

                   CLICK HERE TO VIEW OUR NEW CIRCUITS UPDATE


 
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