Intelligent Voice Recognition Module AC108 Audio Decoding Module 4 Microphones Decoder For Smart Speaker DIY

Feature:

1. Based on RASPBERRY PI 40PIN interface, suitable for RASPBERRY PI series motherboards;

2. Support RASPBERRY PI ZERO / ZERO W / 2B / 3B / 3B + / 4 and other development boards;

3. Adopt AC108 low-power stereo codec chip, which can communicate through I2S interface;

4. Onboard 4 high-quality MEMS silicon microphones, can record left and right channels;

5. Onboard 12 programmable APA-102-2020 full-color LEDs;

6. Power supply method: plug into the Raspberry Pi to obtain 5V and 3.3V power;

7. Logic voltage: 3.3V;

8. Raspberry Pi control interface: I2C, audio interface: I2S, the Raspberry Pi controls the microphone array to capture voice through the I2C interface, and then transmits the voice signal to the Raspberry Pi through the I2S interface, and finally the 3.5MM headphone base / interface output audio;

9. With the Raspberry Pi, you can DIY similar smart speakers out of Tmall Genie, Xiaodu speakers, GOOGLE ASSISTANT function.

MIC1-MIC4: 4 analog MEMS silicon microphones;

D1-D12: 12 APA102 full-color LEDs, connected to the SPI interface of the Raspberry Pi;

RASPBERRY PI 2 * 20P seat: support RASPBERRY PI ZERO / ZERO-W / 2B / 3B / 3B + / 4, etc .;

AC108: highly integrated four-channel ADC with I2S / TDM output conversion function;

GPIO12: GROVE digital port, connected to GPIO12 and GPIO13 of Raspberry Pi;

I2C: GROVE I2C interface, connect to I2C-1 of Raspberry Pi.

Package includes:

1 x Board