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Definition of infrared communication board J2
Pin No. Signal Name Description
1)
VPP 12V power supply
2)
VPP 12V power supply
3)
GND Ground
4)
GND Ground
5)
VDD 3.3V power supply
6)
VCC
5V power supply(IO pull power
supply)
7)
GND Ground
8)
GND Ground
Definition of infrared communication board J4
Pin No. Signal Name Description
1)
INTERFACE_TX0 Sent signal of infrared communication board
2)
INTERFACE_RX0 Received signal of infrared communication board
3)
GND Ground
2.1.9 Others
2.1.9.1 Top Light Board
Top light board supports two levels of top lighting: high light and low light. And it also transfers
the signal of speaker.
Definition of top light board J1 (port connect with the mother board)
Pin No. Signal Name Discription
1)
VPP 12V power supply signal
2)
GND Ground
3)
Lighting Brightness level control signal
4)
Speaker+ Anode of speaker
5)
Speaker- Cathode of speaker
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