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Few examples for AWK text processor.

We would like to stream multiple analogue microphone inputs through Raspberry Pi.

We have a following configuration:

  • Raspberry Pi 3B/4
  • 2 identical USB audio cards

As the Linux kernel might order the USB cards randomly during bootup, we cannot really rely on the arecord -l output. The ls -la /proc/asound/cards does not help to distinguish by device ID either.

How to identify USB sound cards to avoid this situation?

Objective

In this article, we are going to understand how to connect .NET Core Application with MySQL/MariaDB and read data from MySQL (placed in Docker container), using .NET Core MySQL connector.