Schematic

1
1
2
2
3
3
4
4
D D
C C
B B
A A
IN1
1
IN2
2
IN3
3
IN4
4
IN5
5
IN6
6
IN7
7
OUT1
16
OUT3
14
OUT4
13
OUT5
12
OUT6
11
OUT7
10
OUT2
15
COM
9
GND
8
U1
ULN2003D
1
2
3
4
5
J2
HEADER 5
1
2
3
4
5
6
J1
CON6
GND
GND VCC
C1
154
GND
R1
1K
D1
LED
TITLE: STEPD-01
DATE: 2015/04/25
OSEPP Stepper Motor Driver Module
(Arduino Compatible)
STEPD-01

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