Raspberry Pi Voice HAT, WM8960 AI Intelligent Speaker 1W Amplifier Dual-Microphone Module for Raspberry Pi 4 Model B/ 3B+/ 3B
Raspi Voice HAT is a Raspberry Pi dual-microphone expansion board specially designed for AI and voice applications. It supports Raspberry Pi 4 Model B/ 3B+/ 3B/ 2B.Now you can build a more powerful and flexible voice product that integrates Amazon Amazona voice service, Google Assistant, Baidu AI, etc.
The board is an audio module designed based on the Raspberry Pi. It uses the WM8960 low-power stereo codec, which is controlled by the I2C interface, and the audio is transmitted through the I2S interface. There are two microphones on both sides of the circuit board to collect sound. It also provides 12 APA102 RGB LEDs and an onboard speaker, and provides a user button and an I2C interface for expanding applications.
In addition, the on-board 3.5mm audio jack or JST 2.0 speaker output can be used for audio output, and music can be played through an external headset, and it can also be played with an external speaker through the dual-channel speaker interface. There is a high-quality MEMS silicon microphone on the left and right sides of the board, which can record in stereo.
WIKI for Reference：raspberrypiwiki.com/Raspi_Voice_HAT
- Supply voltage: 5V
- Logic voltage: 3.3V
- Audio codec chip: WM8960
- Control interface: I2C
- Audio interface: I2S
- Expansion interface: 1x I2C, 1x button
- Power interface: 1xType-C interface (5V)
- LED interface: 12 APA102 programmable RGB LEDs, connected to SPI interface
- DAC signal-to-noise ratio: 98dB
- ADC signal-to-noise ratio: 94dB
- Headphone driver: 40mW (16Ω@3.3V)
- Speaker driver: 1W per channel (8Ω BTL) (onboard mono speaker)
- 1 x Raspberry Pi Voice HAT
Note: Raspberry pi board is not included .
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