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→接口和引脚说明
|-
|-
|电源
|电源
|[[Power supply mode switching/zh|<u>5VDC / 3.3VDC</u>]] 可选，默认3.3V供电
|[[Power supply mode switching/zh|<u>5VDC / 3.3VDC</u>]] 可选
|-
|-
|功耗
|功耗
|1
|1
|VCC5V
|VCC5V
|默认3.3V供电，[[Power supply mode switching/zh|<u>如何使用5V供电</u>]]
|可选供电方式，[[Power supply mode switching/zh|<u>如何使用5V供电</u>]]
|-
|-
|2
|2
{| class="wikitable"
{| class="wikitable"
| colspan="3" |'''J14:功能IO'''
| colspan="3" |'''J14:UART'''
|-
|-
|'''引脚号'''
|'''引脚号'''