image/svg+xml
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0
-1
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-1
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C
B
E
R11k
R21k
Q1BC557
R41k
C
B
E
Q2BC547
R31k
IC1SN74AC14N
GND
Vcc
C
B
E
R11k
R21k
Q1BC557
R41k
C
B
E
Q2BC547
R31k
IC1SN74AC14N
GND
Vcc
C
B
E
R11k
R21k
Q1BC557
R41k
C
B
E
Q2BC547
R31k
IC1SN74AC14N
GND
Vcc
Arduino Due
34
36
38
3v3
5v
GND
4
3
R2 1k
R3 2k
R5 1k
R4 2k
U-phasein
+3v3
HIGH
LOW
U
H
L
V-phasein
HIGH
LOW
H
L
W-phasein
GND
HIGH
LOW
H
L
V
W
+5v
A
B