l297-298 stepper motor controller rc2
Post on 29-Dec-2015
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DESCRIPTION
stepper motor control pcb layout
TRANSCRIPT
115
214
1 2 1 2
12 12
IC1
IC2
C1
C2
C3
C4
R1
R2
R3
X3 X4
SYNC
R4
R5
LSP3
LSP4
ENABLE
CLK
CW/CCW
IC4
C5
C8
C9
R6
R7
R8
LSP11
LSP12
LSP21
LSP22
LSP23
LSP24
X1 X2
D1
D2
D3
D4
D5
D6
D7
D8
L297
L298
100nF
100nF
100nF
3.3nF
22K
0.5
0.5
10K
10K
74HC14N
220pf
220pf
220pf 10K
10K
10K
1N5400
1N5400
1N5400
1N5400
1N5400
1N5400
1N5400
1N5400
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