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→Interface & Pin list
|1
|1
|VCC5V
|VCC5V
|use by default. [[Power supply mode switching|<u>How to use 3.3V power supply</u>]]
|Optional power supply. [[Power supply mode switching|<u>How to use 5V power supply</u>]]
|-
|-
|2
|2
|}
|}
{| class="wikitable"
{| class="wikitable"
| colspan="3" |'''J7 : Multi-function GPIO'''
| colspan="3" |'''J7 : GPIO'''
|-
|-
|'''Pin NO.'''
|'''Pin NO.'''
|-
|-
|1
|1
|GPIO0
|Trigger In
|Trigger IO
|
|-
|2
|GND
|
|-
|3
|Strobe Out
|
|}
{| class="wikitable"
| colspan="3" |'''J14 : UART'''
|-
|'''Pin NO.'''
|'''NAME'''
|'''Remarks'''
|-
|1
|UART_TX
|
|-
|-
|2
|2
|-
|-
|3
|3
|GPIO1
|UART_RX
|Strobe IO
|
|}
|}
{| class="wikitable"
{| class="wikitable"
|15
|15
|VCC3V3
|VCC3V3
|NC by default，[[Power supply mode switching|<u>How to use 3.3V power supply</u>]]
|Use by default，[[Power supply mode switching|<u>How to use 5V power supply</u>]]
|}
|}