I what to use senortile.Box and capture the voice in ADC. I have gone thro the schematics. is it ok to configure only ADC or we need other parameters like OPAMP Setting and DACOUT . I have seen these in the Schematics.

[Snara.21]

1. In some training session they are using ADC calibration in the code , whether it is required ?
2. Any sample reference code for Analog microphone step by step guide or Video. I have seen many Youtube Videos.
3.