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1. 2. 3. 4. 5. 6. 8. 7. 9. 10. 11. 12. U1. GND. 1. SG1/KS1. 2. SG1/KS2. 3. SG1/KS3. 4. SG1/KS4. 5. SG1/KS5. 6. SG1/KS6. 7. SG1/KS7. 8. SG1/KS8. 9. GRID6. 10.
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U1

E D DP C G D4

1 2 3 4 5 6

12 11 10 9 8 7

P1

D1 A F D2 D3 B

CLK DIO VCC GND

1 2 3 4

VCC U2 GND A B C D E F G DP

1 2 3 4 5 6 7 8 9 10

TM1637

GND SG1/KS1 SG1/KS2 SG1/KS3 SG1/KS4 SG1/KS5 SG1/KS6 SG1/KS7 SG1/KS8 GRID6

K2 K1 CLK DIO VDD GRID1 GRID2 GRID3 GRID4 GRID5

20 19 18 17 16 15 14 13 12 11

R1 10K CLK DIO VCC D1 D2 D3 D4

R2 10K C1 10uF

C3 1nF

C4 1nF

GND

C2 100nF