ReSpeaker 2-Mics Pi HAT

ReSpeaker 2-Mics Pi HAT is a dual-microphone expansion board for Raspberry Pi designed for AI and voice applications. This means that you can build a more powerful and flexible voice product that integrates Amazon Alexa Voice Service, Google Assistant, and so on.

The board is developed based on WM8960, a low power stereo codec. There are 2 microphones on both sides of the board for collecting sounds and it also provides 3 APA102 RGB LEDs, 1 User Button and 2 on-board Grove interfaces for expanding your applications. What is more, 3.5mm Audio Jack or JST 2.0 Speaker Out are both available for audio output.

Note: 

• This product does not include the Pi Zero board
• If you have any technical issue regarding sofeware, please visit the github page and submit your query.

Features

• Raspberry Pi compatible(Support Raspberry Pi Zero, Raspberry Pi 1 B+, Raspberry Pi 2 B and Raspberry Pi 3 B)
• Dual-Microphones
• 2 Grove Interfaces: support GPIO and I2C
• Programmable Button and LED: one button and three LEDs
• Stereo Codec with Class D Speaker Driver
• Two types audio output socket : 3.5mm Audio Jack(40mW output ), JST2.0 Speaker Out(providing 1W into 8Ω loads)
• Far field support (up to 3 meters)

Usage

1. Get started with Google Assistant

2. How to use button to trigger Google Assistant

Technical Details

ECCN/HTS

Documents

• Respeaker Forum
• Raspberry Pi Forum
• WM8960 Datasheet.pdf
• Related Sofeware on Github

• ReSpeaker 2-Mics Pi HAT x 1