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 --- -