Скачать или смотреть AY-3-8910 Sound Generator with Arduino Nano - How it Works

The AY-3-8910 sound generator has an 8 bit address/data bus, allowing access to 16 internal registers.
Using Arduino Nano and a convenient library, the registers can be controlled to generate 3 channels of audio tones or noises.
Their amplitude (volume) can be set, either by setting a fixed volume or by turning on an envelope feature to make the volume fade in/out etc.

YM format chiptune files can also be played, either from program memory or an SD card.

Schematic and sketch: https://github.com/GadgetReboot/AY-3-...
Arduino library used: https://github.com/Andy4495/AY3891x
AY-3-8910 datasheet: https://f.rdw.se/AY-3-8910-datasheet.pdf

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