外设 API *************** :link_to_translation:`en:[English]` .. toctree:: :maxdepth: 1 ADC CAN DAC GPIO (including RTC low power I/O) :esp32s2: HMAC I2C I2S LED Control :esp32: MCPWM Pulse Counter Remote Control :esp32: SDMMC Host SD SPI Host :esp32: SDIO Slave Sigma-delta Modulation SPI Master SPI Slave :esp32s2: Temp sensor Timer Touch Sensor UART 本部分的 API 示例代码存放在 ESP-IDF 示例项目的 :example:`peripherals` 目录下。