Optoelectronics.
+---+--+---+ A |1 +--+ 6| B K |2 CNY17 5| C |3 4| E +----------+
+---+--+---+
Col1 |1 +--+ 12| Row1
Row3 |2 11| Row2
Col2 |3 5x7 10| Col3
Row5 |4 LED 9| Row4
Row6 |5 8| Col5
Row7 |6 7| Col4
+----------+
+---+--+---+
Row1 |1 +--+ 12| Col5
Row2 |2 11| Row3
Col2 |3 5x7 10| Row4
Col1 |4 LED 9| Col4
Row6 |5 8| Row5
Row7 |6 7| Col3
+----------+
+---+--+---+ A |1 +--+ 6| B K |2 5| C |3 4| E +----------+
+---+--+---+ A |1 +--+ 6| B K |2 5| C |3 4| E +----------+
+---+--+---+ 1A |1 +--+ 8| 1C 1K |2 7| 1E 2A |3 TIL192 6| 2C 2K |4 5| 2E +----------+
+---+--+---+ 1A |1 +--+ 16| 1C 1K |2 15| 1E 2A |3 14| 2C 2K |4 TIL 13| 2E 3A |5 193 12| 3C 3K |6 11| 3E 4A |7 10| 4C 4K |8 9| 4E +----------+
+---+--+---+ 1A |1 +--+ 8| 1C 1K |2 7| 1E 2A |3 TIL198 6| 2C 2K |4 5| 2E +----------+
+---+--+---+ 1A |1 +--+ 16| 1C 1K |2 15| 1E 2A |3 14| 2C 2K |4 TIL 13| 2E 3A |5 199 12| 3C 3K |6 11| 3E 4A |7 10| 4C 4K |8 9| 4E +----------+
+---+--+---+
Qb |1 +--+ 16| VCC
Qc |2 15| D0
Qd |3 14| Qdp
Qa |4 TIL 13| /LT
/LE |5 308 12| Ddp
D2 |6 11| /BL
D3 |7 10| D1
GND |8 9|
+----------+
+---+--+---+
VCC |1 +--+ 14| VDD
D1 |2 13| D2
D0 |3 12| D3
DPL |4 TIL |
/LE |5 311 10| DPR
| |
GND |7 8| BL
+----------+
+-----+--+-----+
Col1 |1 +--+ 18| Row1
| |
Row3 |3 16| Row2
Col2 |4 15| Col4
| 5x7 LED |
Row5 |6 matrix 13| Row4
| |
Row6 |8 11| Col5
Row7 |9 10| Col3
+--------------+
+-----+--+-----+
Row1 |1 +--+ 18| Col5
| |
Col3 |3 16| Row2
Row3 |4 15| Row4
| 5x7 LED |
Col1 |6 matrix 13| Row5
| |
Col2 |8 11| Col4
Row7 |9 10| Row6
+--------------+
+---+--+---+ A |1 +--+ 6| B K |2 4N25 5| C |3 4| E +----------+
+---+--+---+ 1A |1 +--+ 8| 1E 1K |2 CNY 7| 1C 2K |3 74-2 6| 2C 2A |4 5| 2E +----------+
+---+--+---+ 1A |1 +--+ 16| 1E 1K |2 15| 1C 2K |3 14| 2C 2A |4 CNY 13| 2E 3A |5 74-4 12| 3E 3K |6 11| 3C 4K |7 10| 4C 4A |8 9| 4E +----------+
+-----+--+-----+
Col1 |1 +--+ 18| Row1
| |
Row3 |3 16| Row2
Col2 |4 15| Col4
| 5x7 LED |
Row5 |6 matrix 13| Row4
| |
Row6 |8 11| Col5
Row7 |9 10| Col3
+--------------+
+-----+--+-----+
Row1 |1 +--+ 18| Col5
| |
Col3 |3 16| Row2
Row3 |4 15| Row4
| 5x7 LED |
Col1 |6 matrix 13| Row5
| |
Col2 |8 11| Col4
Row7 |9 10| Row6
+--------------+
+---+--+---+
Col1 |1 +--+ 12| Row1
Row3 |2 11| Row2
Col2 |3 5x7 10| Col3
Row5 |4 LED 9| Row4
Row6 |5 8| Col5
Row7 |6 7| Col4
+----------+
+---+--+---+
Row1 |1 +--+ 12| Col5
Row2 |2 11| Row3
Col2 |3 5x7 10| Row4
Col1 |4 LED 9| Col4
Row6 |5 8| Row5
Row7 |6 7| Col3
+----------+
+---+--+---+ A |1 +--+ 6| VCC K |2 5010 5| GND |3 4| OUT +----------+
+---+--+---+ |1 +--+ 8| VCC A |2 7| B K |3 6N135 6| C |4 5| E +----------+
+---+--+---+ |1 +--+ 8| VCC A |2 7| B K |3 6N138 6| C |4 5| GND +----------+
+---+--+---+ 1A |1 +--+ 8| 1C 1K |2 MCT 7| 1E 2A |3 9001 6| 2C 2K |4 5| 2E +----------+
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