1. Based on Raspberry Pi 40PIN GPIO header, suitable for Raspberry Pi series boards.
2. Adopts DA7212 professional stereo codec chip, controlled via I2C interface and transmitting audio via I2S interface.
3. Onboard standard 3.5mm headphone jack for music playback with external headphones.
4. Integrated dual-speaker design, suitable for multi-scenario applications.
5. Onboard dual microphones for recording without requiring additional equipment.
6. Onboard customizable function buttons and customizable function indicator lights.
7. Supports sample rates up to 96kHz.
8. Supports resolution up to 24-bit.
Parameters:
1. Audio Codec Chip: DA7212
2. DAC SNR: 100dB
3. Supply Voltage: 5V
4. ADC SNR: 90dB
5. Logic Voltage: 3.3V
6. Headphone Driver: 160mW (16 ohms at 5V)
7. Control Interface: I2C
8. Speaker Driver: 2.6W per channel (4 ohms BTL)
9. Audio Interface: I2S