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Photo Link Module
!Block diagram and application circuit
RPM870-H7
POWER
DOWN
GND
NC
VCC
C1
GND
PWDOWN
RXD
TXD
LEDA
VCC
GND
PWDOWN
RXD
TXD
(LEDVCC)
Recommended values
Part symbol
Recommended value
C1
1µF, tantalum
Ex.) TCFGA1A105M8R (ROHM)
Notice
Bigger capacitance is recommended with much noise from power supply