DA7212 Audio Board (A)
The DA7212 Audio Board (A) is an expansion board for the Raspberry Pi. It features a DA7212 stereo codec chip, supporting sampling frequencies up to 96 kHz and resolutions up to 24‑bit. The board includes a standard 3.5mm headphone jack, a 3.5mm AUX input jack, a microphone, and multiple types of speaker connectors for user convenience.
| SKU | Product |
|---|---|
| 34213 | DA7212 Audio Board (A) |
Features
- Do not plug or unplug any device interfaces other than the audio interface while powered on
- Uses the DA7212 professional stereo codec chip, controlled via I2C interface and transmitting audio via I2S
- Onboard standard 3.5mm headphone jack for playing music with external headphones
- Onboard AUX input interface for easy connection to other devices
- Onboard speaker screw terminal and a PH2.0 dual‑channel speaker connector, offering multiple interface types for a wider range of usage scenarios
- Onboard dual microphones for recording without additional external devices
- Onboard programmable button and indicators for custom functions
- Supports sampling frequency up to 96KHz
- Supports up to 24-bit resolution audio data
Dimensions

Development Related
EEPROM
- The product's EEPROM uses I2C0, with I2C address 0x50.
- It is pre-configured with the firmware for the DA7212 Audio Board (A).
Audio Interface
danger
The module must be connected before powering on to be properly recognized.
warning
- The audio function of the product uses I2C1, with I2C address 0x1A.
- When headphones are connected, the 4PIN speaker connector (PH2.0) and the 2PIN speaker connector (green terminal) are muted, and the audio signal will be output through the headphone jack.
- The product features an onboard 3.5mm headphone jack and a 3.5mm AUX input jack.
- The product supports all features in this tutorial: Audio Usage Guide on Raspberry Pi
- Includes: Checking Audio Devices | Audio Playback | alsamixer Audio Configuration | Playing MP3 | Graphical Configuration
