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Schematic

Layout

3D View

VCC

V+

STEP

VCC

ENABLE

MS2

ENABLE

J6

SLEEP

MS1

DIR

DIR_IN

COILA+

COILA-

MS1

COILB-

TP1

MS3

COILA+

MS3

J13

RESET

SLEEP

COILB+

STEP_IN

MS2

DIR_IN

V+

SLEEP

VCC

RESET

COILB-

V+

VCC

COILA+

COILA-

CUR_REF

RESET

COILA-

ENABLE

V+

VCC

DIR_IN

STEP

COILB+

VCC

STEP_IN

MS2

DIR

COILB-

MS3

COILB+

MS1

C1

Capacitance

.1uF

C10

Capacitance

.22uF

R10

Resistance

20KΩ

R15

Resistance

1KΩ

R1

Resistance

20KΩ

R16

C8

Capacitance

.1uF

C11

Capacitance

.1uF

C2

Capacitance

1uF

D1

R8

Resistance

240 Ω

R2

Resistance

20KΩ

3/5V

R12

Resistance

20KΩ

APWR

R14

Resistance

1KΩ

C9

Capacitance

.1uF

R5

Resistance

20KΩ

LED1

R11

Resistance

20KΩ

R6

Resistance

390 Ω

R4

Resistance

20KΩ

C6

Capacitance

.1uF

C7

Capacitance

.1uF

R9

Resistance

1KΩ

R3

Resistance

20KΩ

C14

Capacitance

47uF

R13

Resistance

8.2KΩ

R7

Resistance

330 Ω

J5

J10

U2

J14

J3

J12

U1

J11

BIG EASY DRIVER v2