Pirate Audio: Headphone Amp for Raspberry Pi
The ultimate hackable headphone amp for your desk! Pirate Audio Headphone Amp for Raspberry Pi has an I2S DAC, headphone amplifier, high-res display, and playback control buttons.
Build your own home-brew iPod Nano with Pirate Audio Headphone Amp! It's an all-in-one solution, with gorgeous album art display, track info, and playback controls, for playing your local audio files (MP3, FLAC, etc) or streaming music from Spotify. The DAC and headphone amp give you crisp digital amplified audio through your wired headphones.
Pirate Audio is a range of all-in-one audio boards for Raspberry Pi, with high-quality digital audio, beautifully-crisp IPS displays for album art, tactile buttons for playback control, and our custom Pirate Audio software and installer to make setting it all up a breeze.'
NOTES
Note that our installer, linked above, does all of the below for you, but if you're an intrepid hacker then you might need to know this stuff!
- The low-gain mode is recommended for most use-cases.
- The DAC can be configured by adding dtoverlay=hifiberry-dac to the /boot/config.txt file.
- There is a DAC enable pin—BCM 25— that must be driven high to enable the DAC. You can do this by adding gpio=25=op,dh to the /boot/config.txt file.
- The buttons are active low, and connected to pins BCM 5, 6, 16, and 20
- The display uses SPI, and you'll need to enable SPI through the Raspberry Pi configuration menu.
- If you want to use these boards with a Pibow Coupé case (either for the Zero / Zero W or Pi 4), then you'll need to use a booster header to raise it up a little.
