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