ES7210

The es7210 platform allows your ESPHome devices to use the ES7210 high performance four channel audio ADC (datasheet). This allows attached microphones to be used as a microphone input via I²S Audio Microphone.

The I²C bus is required in your configuration as this is used to communicate with the ES7210.

# Example configuration entry
audio_adc:
  - platform: es7210

Configuration variables

• bits_per_sample (Optional, enum): The bit depth of the audio samples. One of 16bit, 24bit or 32bit. Defaults to 16bit.

• mic_gain (Optional, enum): The gain applied to the ADC microphones. One of 0DB, 3DB, 6DB, 9DB, 12DB, 15DB, 18DB, 21DB, 24DB, 27DB, 30DB, 33DB, 34.5DB, 36DB, or 37.5DB. Defaults to 24DB.

• sample_rate (Optional, positive integer): I2S sample rate. Defaults to 16000.

• address (Optional, int): The I²C address of the driver. Defaults to 0x40.

• i2c_id (Optional): The ID of the I²C bus the ES7210 is connected to.

• All other options from Audio ADC.

Automations

All Audio ADC Automations are supported by this platform.

Configuration Examples

ESP32 S3 Box 3:

audio_adc:
  - platform: es7210
    id: es7210_adc
    bits_per_sample: 16bit
    sample_rate: 16000

i2s_audio:
  - id: i2s_audio_bus
    i2s_lrclk_pin: GPIO45
    i2s_bclk_pin: GPIO17
    i2s_mclk_pin: GPIO2

microphone:
  - platform: i2s_audio
    id: box_mic
    sample_rate: 16000
    i2s_din_pin: GPIO16
    bits_per_sample: 16bit
    adc_type: external

See Also

• Audio ADC Core
• API Reference