Velleman VMa03 - Manual (Page 3)

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GND
1
SENSE A
2
NC
3
OUT1
4
OUT2
5
VS
6
INPUT1
7
ENABLE A
8
INPUT2
9
GND
10
GND
20
SENSE B
19
NC
18
OUT4
17
OUT3
16
INPUT4
15
ENABLE B
14
INPUT3
13
VSS
12
GND
11 H
E
A
T
2
1
L298 IC1
LED5RL
LD1
LED5RL
LD2
SCREW02
SK5
1
2
3
4
5
6
SK4
Vin
GND
5V
3V3
RST
1
2
3
4
5
6
SK3
A0
A1
A2
A3
A4
A5 1
2
3
4
5
6
7
8
SK1
ARDUINO UNO
1
2
3
4
5
6
7
8
SK2
0
1
2
3
4
5
6
7
8
9
10
11
12
13
AREF
-
-
GND
1K
R7
1K
R8
GND
1N5819
D1
1N5819
D2
1N5819
D3
1N5819
D4
1N5819
D5
1N5819
D6
1N5819
D7
1N5819
D8
GND GND
1
2
3
SK7
Vin
SCREW02
SK12
GND
POWER
POWER POWER
POWER
2
4
6 1
3
5
2X3PIN HEADER PITCH 2.54MM
SK8
ENA
ENA
2
4
6 1
3
5
2X3PIN HEADER PITCH 2.54MM
SK9
ENB
ENB
3
5
6
9
10
11
2
4
6 1
3
5
2X3PIN HEADER PITCH 2.54MM
SK10
2
4
6 1
3
5
2X3PIN HEADER PITCH 2.54MM
SK11
DIRA
DIRB
2
4
7
8
12
13
GND GND
GND GND
DIRA
DIRB
BC547
T1
DIRA
4K7 R1
10K
R2
GND
4K7
R3
5V
5V
DIRA2
DIRA2
BC547
T2
DIRB
4K7 R4
10K
R5
GND
4K7
R6
5V
DIRB2
DIRB2
SCREW02
SK6
POWER
100n
C1 100µ/63-100V
C2
GND
100K
R9
10K
R10
GND
A5
22µ
C3
Schematic diagram