esp-idf/examples/peripherals
..
adc
gpio
i2c
i2s
ledc
mcpwm
pcnt
rmt_nec_tx_rx
sigmadelta
spi_master
spi_slave
timer_group
touch_pad_interrupt
touch_pad_read
uart_echo
uart_events
README.md

README.md

Peripherals Examples

This section provides examples how to configure and use ESP32s internal peripherals like GPIO, UART, I2C, SPI, timers, counters, ADC / DAC, PWM, etc.

See the README.md file in the upper level examples directory for more information about examples.