See 'circuits' for more !

The following are by W Letendre 







Sallen Keys LPF

                    ||
           ---------||-------------
           |        ||            |
           |                |\    |
>---\/\/\/-*-\/\/\/--*------|+\   |
                     |      |  |--*-*--- >
                     |    --|-/     |
                   =====  | |/      |
                     |    |         |
                     |    -----------
                   __|__
                    ___
                     _
Op Amps

       |
      / \            |\
     /   \        ---|+\
    /     \          |  |---
   /_+___-_\      ---|-/
     |   |           |/



Gates

  |-----           \---            \\----
--|     |        -- |   \        -- ||    \
  |NAND |O--        |NOR |O--       ||XNOR |O--
--|     |        -- |   /        -- ||    /
  |-----           /---            //----


  |-----           \---            \\---
--|     |        -- |   \        -- ||   \
  | AND |---        | OR |---       ||XOR |---
--|     |        -- |   /        -- ||   /
  |-----           /---            //---

    |\          |\
  --| |O--    --| |---
    |/          |/



RLC's, XFMR's, XTAL's

   ||
---||---    ---/\/\/\---     ---UUUUU---
   ||

   |            |                 |             |
   |            |                 |             |
   |             >                 )            C
 =====         <                   )            C
   |             >                 )            C
   |           <                   )            C
                 >                |             |
                |                 |             |


  |    |     -----UUUUU-----
  |    |          =====
  |    |     -----UUUUU-----
   )||(
   )||(
   )||(
   )||(
  |    |
  |    |
  |    |


      |          | -- |
      |       ---| || |--
    -----        | -- |
    |===|
    -----
      |
      |




Earth & Ground

   |            |
   |            |
 __|__          |
  ___          _|__
   _          / / /


FET's & BJT's

   |/-----      | /----       ||-----       ||-----
---|         ---|           --||->|       --||<-|
   |\>----      |<\----       ||--|--       ||--|--


Switches & Fuses

      /                 />------
     /             ----/
----/    ----            >------



    |         |
    |         -
    S          )
    |        (
    |         -
              |


W Letendre

        888                888                          d8b         
        888                888                          Y8P         
        888                888                                      
 .d88b. 888 .d88b.  .d8888b888888888d888 .d88b. 88888b. 888 .d8888b 
d8P  Y8b888d8P  Y8bd88P"   888   888P"  d88""88b888 "88b888d88P"    
8888888888888888888888     888   888    888  888888  888888888      
Y8b.    888Y8b.    Y88b.   Y88b. 888    Y88..88P888  888888Y88b.    
 "Y8888 888 "Y8888  "Y8888P "Y888888     "Y88P" 888  888888 "Y8888P 
                                                                    
                                                                    
                                                                    

      _           _                   _      
     | |         | |                 (_)     
  ___| | ___  ___| |_ _ __ ___  _ __  _  ___ 
 / _ \ |/ _ \/ __| __| '__/ _ \| '_ \| |/ __|
|  __/ |  __/ (__| |_| | | (_) | | | | | (__ 
 \___|_|\___|\___|\__|_|  \___/|_| |_|_|\___|
                                             
                                             

                                                                    
           88                                                       
           88                         ,d                            
           88                         88                            
 ,adPPYba, 88  ,adPPYba,  ,adPPYba, MM88MMM 8b,dPPYba,  ,adPPYba,   
a8P_____88 88 a8P_____88 a8"     ""   88    88P'   "Y8 a8"     "8a  
8PP""""""" 88 8PP""""""" 8b           88    88         8b       d8  
"8b,   ,aa 88 "8b,   ,aa "8a,   ,aa   88,   88         "8a,   ,a8"  
 `"Ybbd8"' 88  `"Ybbd8"'  `"Ybbd8"'   "Y888 88          `"YbbdP"'   
                                                                    
                                                                    
                           
            88             
            ""             
                           
8b,dPPYba,  88  ,adPPYba,  
88P'   `"8a 88 a8"     ""  
88       88 88 8b          
88       88 88 "8a,   ,aa  
88       88 88  `"Ybbd8"'  
                           
                           

		

		
ASCII Character Codes:
		
e = ASCII 101
l = ASCII 108
e = ASCII 101
c = ASCII 99
t = ASCII 116
r = ASCII 114
o = ASCII 111
n = ASCII 110
i = ASCII 105
c = ASCII 99
		
Capitalised:
		
E = ASCII 69
L = ASCII 76
E = ASCII 69
C = ASCII 67
T = ASCII 84
R = ASCII 82
O = ASCII 79
N = ASCII 78
I = ASCII 73
C = ASCII 67