Hello everyone,
I really want to share our projects. They are not DIY, but I did not find a more suitable place, so I am posting here.
We are a small engineering company «ChipDip.» has released three complete HAT projects for the Raspberry Pi. These are expansion boards for high quality sound. When we started we were inspired by Volumio.
The driver and overlay for Raspberry Pi OS is called ChipDip DAC
To build a streamer, you can use any Raspberry Pi. The microcomputer is installed on a 40-pin audio card connector. As software, use any player or OS image that is recorded on a microSD card for Raspberry Pi. Operating systems automatically detect the ChipDip DAC audio card and configure sound output to it.
All CAD files are published on PCBWAY. You will also find the firmware there.
We really want you to make any of the projects and share your comments.
I will answer any questions and support you in assembly and programming.
The first project is DSP Machines 1.
DAC, audio processor, amplifier for all Raspberry Pi. ADAU1701 + TPA3255.
PCBway.
- Compatible with all Raspberry Pi
- Compatible with SigmaStudio and ChipStudio software for audio processor rebuild
- Official support for RaspberryPi OS / Volumio3
- DSP ADAU1701, TPA3255 amplifier chip for best sound quality.
- Output Power 2х120 W
- Audio output connectors: two pairs of screw terminals (left and right)
- Built-in EEPROM for automatic OS configuration (with write protection).
- Automatic frequency switching according to I2S input signals.
- Sample rate and bit depth range from 44.1kHz/16bit to 192kHz/32bit
ChipStudio
SigmaStudio & ChipStudio projects DSP Machine1
Few photos.
The second project is DSP Machines 2.
DAC, audio processor, for all Raspberry Pi. PCM5242.
PCBway.
- Compatible with all 40-pins Raspberry Pi
- Compatible with PurePathStudio and ChipStudio for audio processor rebuild
- Official support for RaspberryPi OS / Volumio3
- High quality PCM5242 DAC for the best sound quality.
- Audio output connectors: 2 x XLR (left and right)
- Built-in EEPROM for automatic OS configuration (with write protection).
- Automatic frequency switching according to I2S input signals.
- Sample rate and bit depth range from 44.1kHz/16bit to 192kHz/32bit
ChipStudio
PurePathStudio & ChipStudio projects DSP Machine2
Few photos.
The third project is DSP Machines 3.
DAC, audio processor, for all Raspberry Pi. ADAU1452 audio processor and AD1934 DAC.
PCBway.
- Compatible with all Raspberry Pi
- Compatible with SigmaStudio and ChipStudio software for audio processor rebuild
- Official support for RaspberryPi OS / Volumio3
- High quality ADAU1452 audio processor and AD1934 DAC.
- Audio output connectors: 2 x XLR (left and right), SPDIF, Coaxial
- Built-in EEPROM for automatic OS configuration (with write protection).
- Automatic frequency switching according to I2S input signals.
- Sample rate and bit depth range from 44.1kHz/16bit to 192kHz/32bit
- Color indication of sampling rates
ChipStudio
SigmaStudio & ChipStudio projects DSP Machine3
Few photos.
