5
6
7
8
9
10
4.2.14 Buttons
Pin
S2
S3
S4
4.2.15 LEDs
LED
1
2
3
UART5_RX_3V3
UART5 receive data 3.3V level
GPIO2_0
GPIO
GND
GND
GND
GND
GND
GND
GND
GND
S1-3
Signal
MENU
System menu key
BACK
System back key
Reset
System Reset key
LEDs
Definition
D4
D35
D36
Description
Description
Power Indicator
User Custom LED
User Custom LED
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