Datasheet

Step 3. When you get into the Serial Console， you can setup the WiFi
Q3: How to adjust the volume?
A3: You can use Alsamixer to adjust the playback volume and capture sensitivity.
Step 1. Tap the follow ing code to open Alsamixer:
Alsamixer
Step 2. Press F6 on your keyboard to choose Seeed-8m ic-voicec card.
Step 3. You w ill find the interface as the picture below. You can choose the playback voice or record channel by pressing Right or Left key.
And you can adjust the value by pressing the Up or Dow n key.