Added some ASCII art to the references

reference/SMA410363 - 3-digit 7-segment display.txt

@@ -1,13 +1,26 @@
+
+   D1 A  F  D2 D3 B
+ __|__|__|__|__|__|__
+|                    |
+|                    |
+|                    |
+|                    |
+|                    |
+|__ __ __ __ __ _____|
+   |  |  |  |  |
+   E  D  DP C  G
+
+
 Pin   Assignment
 
-1     E (Bottom Left)
-2     D (Bottom)
-3     Dot
-4     C (Bottom Right)
-5     G (Middle)
-6     B (Top Right)
-7     Digit 3 anode (Right)
-8     Digit 2 anode (Middle)
-9     F (Top Left)
-10    A (Top)
-11    Digit 1 anode (Left)
+1     E   Bottom Left
+2     D   Bottom
+3     DP  Dot point
+4     C   Bottom Right
+5     G   Middle
+6     B   Top Right
+7     D3  Digit 3 anode (Right)
+8     D2  Digit 2 anode (Middle)
+9     F   Top Left
+10    A   Top
+11    D1  Digit 1 anode (Left)

reference/SN74HC595 - Serial in Parallel out 8-bit shift register.txt

@@ -1,3 +1,16 @@
+
+  VCC   Q0   DS   OE  STCP SHCP  MR  Q7S
+ __|____|____|____|____|____|____|____|__
+|                                        |
+|                                        |
+|\                                       |
+|/                                       |
+|                                        |
+|__ ____ ____ ____ ____ ____ ____ ____ __|
+   |    |    |    |    |    |    |    |
+   Q1   Q2   Q3   Q4   Q5   Q6   Q7  GND
+
+
 Pin   Assignment
 
 1     Q1

reference/ULN2803 - Darlington Transistor Array.txt

@@ -1,20 +1,33 @@
+
+   C1   C2   C3   C4   C5   C6   C7   C8  COM
+ __|____|____|____|____|____|____|____|____|__
+|                                             |
+|                                             |
+|\                                            |
+|/                                            |
+|                                             |
+|__ ____ ____ ____ ____ ____ ____ ____ ____ __|
+   |    |    |    |    |    |    |    |    |
+   Q1   Q2   Q3   Q4   Q5   Q6   Q7   Q8  GND
+
+
 Pin   Assignment
 
-1     Base 1
-2     Base 2
-3     Base 3
-4     Base 4
-5     Base 5
-6     Base 6
-7     Base 7
-8     Base 8
-9     Ground
-10    Common cathode (for flyback diodes)
-11    Collector 8
-12    Collector 7
-13    Collector 6
-14    Collector 5
-15    Collector 4
-16    Collector 3
-17    Collector 2
-18    Collector 1
+1     B1  Base 1
+2     B2  Base 2
+3     B3  Base 3
+4     B4  Base 4
+5     B5  Base 5
+6     B6  Base 6
+7     B7  Base 7
+8     B8  Base 8
+9     GND Ground
+10    COM Common cathode (for flyback diodes)
+11    C8  Collector 8
+12    C7  Collector 7
+13    C6  Collector 6
+14    C5  Collector 5
+15    C4  Collector 4
+16    C3  Collector 3
+17    C2  Collector 2
+18    C1  Collector 1