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["外设","IO","备注"]
["主键H","PA11"]
["主键M","PA16"]
["LED0","PA3"]
["LED1","PB13"]
["LED2","PA5"]
["LED3","PA6"]
["LED_R","PA7"]
["LED_G","PA8"]
["LED_B","PA9"]
["PWM","PA4"]
["风扇","PB1"]
["开关按键","PA12","新增"]
["间歇按键","PA13","新增"]
["ADC","PA2","浩然新增"]