My PDP1 plays sound

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Jul 20, 2026, 6:25:55 PM (yesterday) Jul 20

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i build a realistic sound module for my esp32-powered pdp1.

the low pass filters are on the programflags-led-drivers an can play up to 4 voices.

in the video it plays "alle meine entchen" with 2 voices.

its just a test directly from the esp32-code for testing, next step is creating tones from pdp1-code and later run the harmony compiler.