home *** CD-ROM | disk | FTP | other *** search
/ The Hacker's Encyclopedia 1998 / hackers_encyclopedia.iso / zines / phrack1 / phrack3.007 < prev    next >
Encoding:
Text File  |  2003-06-11  |  2.2 KB  |  83 lines
  1. ==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==
  2.                 ==Phrack Inc.==
  3.             Volume One, Issue Three, Phile #7 of 10
  4. ==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==-==
  5.  
  6.     ***************************************************************
  7.     *                                  *
  8.     *        Electronic Eavesdropper               *
  9.     *                                  *
  10.     *        by                          *
  11.     *                                  *
  12.     *        Circle Lord                      *
  13.     *                                  *
  14.     ***************************************************************
  15.  
  16.  
  17.   Have you ever considered buying one of those hi powered microphones often
  18. seen in eletronics magazines, but thought it was to much to buy and to small to
  19. card?  The circuit shown in this file will provide you with the information to
  20. build one for a lot less money.
  21.  
  22.   These audio eavesdropping devices are probably one of the hottest items in
  23. the underground due to their ability to pick up voices through thick walls.
  24. You can also attach the speaker wires to a tape recorder and save all the
  25. conversation.  As one can see these are great for blackmailing a teacher,
  26. classmate, principal, neighbor, or whoever you seek services from...
  27.  
  28.  
  29. Parts list:
  30.  
  31. -=EM--------------------------
  32. M1    Amplifier Module. (Lafayette 99C9037 or equiv.)
  33. M2    9-VDC battery.
  34. M3    Microphone
  35. R1    20K poteniometer with spst switch.
  36. S1    Spst switch on R1
  37. SP1   8-ohm speaker
  38. T1    Audio transformer (Radio Crap part # 273-1380)
  39.  
  40.  
  41.  
  42.             Schematics
  43.             +------+--------M1
  44.             1      1    1
  45.             1      1red    1blu
  46.             1      1    1
  47.             1      transformer
  48.             1      1    1
  49.             1      1yel    1grn
  50.             +------+    1
  51.                    1  +-----+      +-----+
  52.                    1  1           1     1
  53.                   b1 b1 r+M2+b o+S1+o    1
  54.                   l1 l1 e1    1l r1  1r    1
  55.                   k1 u1 d1    1k g1  1g    1
  56.                 **********************   1
  57.                *            yel>*-+  ++
  58.                *            * R   1
  59.                *         M1     * 1-+ 1
  60.                *            red>*-+ 1 1
  61.                *            *   1<<
  62.                **********************   1
  63.                  b1   1g    y1        1
  64.                  l1   1r    e1        1
  65.                  k1   1y    l1        1
  66.                   1   1     +----------+
  67.                   +SP1+
  68.  
  69.  
  70. S1 here is on the potentiometer
  71. M3 can be an earphone earpiece
  72.  
  73.  
  74.  
  75.  
  76.                    ----         /
  77.                   /         /
  78.                  /           /
  79.                 /     ircle      /    ord
  80.                 ----      ----
  81.  
  82.  
  83.