esp-idf/docs/api-reference/peripherals/index.rst

Peripherals API
***************

.. toctree::
   :maxdepth: 1

   ADC <adc>
   DAC <dac>
   GPIO (including RTC low power I/O) <gpio>
   I2C <i2c>
   I2S <i2s>
   LED Control <ledc>
   MCPWM <mcpwm>
   Pulse Counter <pcnt>
   Remote Control <rmt>
   SD/MMC Card Host <../storage/sdmmc>
   Sigma-delta Modulation <sigmadelta>
   SPI Master <spi_master>
   SPI Slave <spi_slave>
   Timer <timer>
   Touch Sensor <touch_pad>
   UART <uart>

Example code for this API section is provided in :example:`peripherals` directory of ESP-IDF examples.