N
P
R
ed
G
re
en
B
lu
e
R
7
GND
Power
DC24V
R
ed
R
L6
R
L5
R
L3
R
L2
R
L1
G
re
en
B
lu
e
G
L6
R
L1
2
G
L5
R
L1
1
B
L6
B
L5
G
L3
G
L2
R
L9
R
L8
G
L1
R
L7
B
L3
B
L2
B
L1
B
L1
2
B
L1
1
B
L9
B
L8
B
L7
C9
20p
C13
20p
R5
10k
10K
R4
R1 10K
D+
D-
R
2
R
L4
R
3
G
L4
R
L1
0
R
6
B
L4
R
10
B
L1
0
G
L1
2
G
L1
1
G
L9
G
L8
G
L7
DMX512 Signal
MAX485
SW2
20MHz
X1
R
8
G
L1
0
ULN2003
R9
10k
! " " " # " $
! " " " # " $
! " " " # " $
! " " " # " $ %
%
%
% &
&
&
&
BYDMX3P-20/SO
' ( "
' ( "
' ( "
' ( " ) " " * " + % " % " + , " - ) " # % +
) " " * " + % " % " + , " - ) " # % +
) " " * " + % " % " + , " - ) " # % +
) " " * " + % " % " + , " - ) " # % +