J5
J10
J14
J3
J12
J11
VCC
V+
STEP
VCC
RESET
ENABLE
MS2
ENABLE
J6
SLEEP
DIR
MS1
DIR
DIR_IN
COILA+
COILA-
MS1
STEP
COILB-
MS3
J1
COILA+
MS3
J13
RESET
D1
CUR_REF
ENABLE
SLEEP
SLEEP
MS1
COILB+
STEP_IN
MS3
MS2
3/5V
APWR
DIR_IN
V+
SLEEP
VCC
RESET
COILB-
V+
J7
VCC
COILA+
COILA-
CUR_REF
U1
RESET
COILA-
ENABLE
V+
VCC
DIR_IN
STEP
COILB+
VCC
STEP_IN
STEP_IN
MS2
DIR
COILB-
MS2
MS3
COILB+
MS1
C1
Capacitance
.1uF
C10
Capacitance
.22uF
R10
Resistance
20KΩ
R15
Resistance
1KΩ
R1
Resistance
20KΩ
R16
C8
Capacitance
.1uF
R18
Resistance
.11 Ω
U2
C11
Capacitance
.1uF
C2
Capacitance
1uF
R8
Resistance
240 Ω
R2
Resistance
20KΩ
R20
Resistance
20KΩ
R12
Resistance
20KΩ
R19
Resistance
.11 Ω
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
TP1
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