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ESP32 GPIO 参考

引脚别名

别名 引脚
builtin_led 2
red_led 2

常用引脚(ESP32 / ESP32-C3)

  • GPIO 2:许多开发板上的内置 LED(输出)
  • GPIO 13:通用输出
  • GPIO 21/20:常用于 UART0 TX/RX(如果使用串口请避免占用)

协议

ZeroClaw 主机通过串口发送 JSON(波特率 115200):

  • gpio_read{"id":"1","cmd":"gpio_read","args":{"pin":13}}
  • gpio_write{"id":"1","cmd":"gpio_write","args":{"pin":13,"value":1}}

响应:{"id":"1","ok":true,"result":"0"}{"id":"1","ok":true,"result":"done"}