This guide uses WLED version 14.4: Audioreactive.
Check to be sure that you have the Audioreactive version of WLED installed. If you installed the plain version, no worries - head back to install.wled.me and choose the Audioreactive tab, then install it again. Your settings won't be overwritten.
Click Config and then select the Usermods tab. Scroll down a bit and you'll find the AudioReacive section.
Click the box to enable, then enter the settings and the Digitalmic section as follows:
- Type: Generic I2S PDM
- Pin I2S SD: 22
- Pin I2S WS: 19
The other pins are unused.
Reboot your QT Py for changes to take effect.
How to figure this out? The back of the microphone breakout is labeled: the clock line is plugged into the yellow wire and data is plugged into blue.
Look at at the pinout diagram to find out which pins are assigned to each wire on the stemma port. The blue wire from the Stemma port goes to pin 22, and the yellow wire is pin 19.
There are a lot of other settings you can adjust in WLED. I found that the default settings for this mic seem to work perfectly, but you can delve into the particulars at https://kno.wled.ge/advanced/audio-reactive/
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