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Text File  |  1992-06-14  |  2KB  |  28 lines
  1.                
  2.                  *** Homebrew Interface Schematic by IW3FQG ***
  3.  
  4.        +5V <-----------o------------------o----+           C = 10uF
  5.                        |                  |    |           IC1 = 7404
  6.                        |              C | = |  |           IC2 = MAX232
  7.                        |                +-+-+  |
  8.                     14 |                2 |  16|
  9.    T              +----------+       +------------+
  10.    R    2  <------| 1      2 |-------|11        14|----------------> 3
  11.    A              |    I     |       |     I      |                       R
  12.    N    3  <------| 4  C   3 |-------|12   C    13|----------------> 2    S
  13.    S              |    1     |       |     2      |
  14.    C    4  <------| 6      5 |-------| 9         8|----------------> 5    2
  15.    E              |          |       |            |                       3
  16.    I    5  <------| 9      8 |-------|10         7|----------------> 4    2
  17.    V              +----------+       |           4|------+
  18.    E                   | 7        +--|1 3  6  15 5|-+    |       +-> 7    C
  19.    R     1  <--+        |          |  +------------+ |    |       |       O
  20.               |      /////    C | = |  |   |   |    |  | = | C   |        M
  21.             /////               +-+-+  | | = | |    |  +-+-+    ///       P
  22.                                   |    | +-+-+ |    |    |                O
  23.                                   +----+ C |   |    +----+                R
  24.                                           ///////                         T
  25.  
  26.  
  27.  1990 IW3FQG
  28.