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FabGL
ESP32 VGA Controller and Graphics Library
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Audio output connection uses GPIO 25 and requires a simple low-pass filter and peak limiter. This works for me (you may do better):
10uF
------------- + | | -
GPIO25 ----------| R 270 Ohm |-------*---------*----------| |-------> OUT AUX LINE
------------- | | | |
| |
| |
| ---
| |R|
100nF ----- | |
----- |1|
| |5|
| |0|
| ---
| |
| |
+----*----+
|
|
----- GND
---
-