Velleman VMa03 User Manual download pdf (Page 3)

- 2 - - 3 -

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

HEAT

21

L298IC1

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

A51

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

1 2 3 4

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