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- | ===== PiFi DAC - A Sound Card for the Raspberry Pi ===== | ||
- | {{: | ||
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- | The PiFi DAC+ is a cheap Chinese clone of the HiFi Berry DAC+ Standard made by [[http:// | ||
- | The drivers are already included in the kernel, to activate them check:\\ | ||
- | * for the 3.12 kernel [[https:// | ||
- | * for the 4.x kernel [[https:// | ||
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- | It's recommended **not to use earphones directly** - no headphone amp is build in.\\ | ||
- | |||
- | ---- | ||
- | ==== Use of GPIOs ==== | ||
- | The following GPIOs are used for the Sound Card:\\ | ||
- | For configuration over I2C:\\ | ||
- | GPIO2 (SDA 1) and GPIO3 (SCL1\\ | ||
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- | And as the sound interface over I2S:\\ | ||
- | GPIO18 (PCM CLK), GPIO19 (PCM FS), GPIO20 (PCM D-IN), GPIO21 (D-OUT).\\ | ||
- | PCM stands for Pulse-Code Modulation.\\ | ||
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- | < | ||
- | <img src=" | ||
- | </ | ||
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- | ---- | ||
- | ==== Schematic ==== | ||
- | [[https:// | ||
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- | ---- |