Respeaker 2-Mics Pi HAT

ReSpeaker 2-Mics Pi HAT

Overview

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.

Features

Raspberry Pi compatible(Support Raspberry Pi Zero and Zero W, Raspberry Pi B+, Raspberry Pi 2 B and Raspberry Pi 3 B)
2 Microphones
2 Grove Interfaces
1 User Button
3.5mm Audio Jack
JST2.0 Speaker Out

Application

Voice Interaction Application
AI Assistant

Hardware Overview

BUTTON: a User Button, connected to GPIO17
MIC_Land MIC_R: 2 Microphones on both sides of the board
RGB LED: 3 APA102 RGB LEDs, connected to SPI interface
WM8960: a low power stereo codec
Raspberry Pi 40-Pin Headers: support Raspberry Pi Zero, Raspberry Pi 1 B+, Raspberry Pi 2 B and Raspberry Pi 3 B
POWER: Micro USB port for powering the ReSpeaker 2-Mics Pi HAT, please power the board for providing enough current when using the speaker.
I2C: Grove I2C port, connected to I2C-1
GPIO12: Grove digital port, connected to GPIO12 & GPIO13
JST 2.0 SPEAKER OUT: for connecting speaker with JST 2.0 connector
3.5mm AUDIO JACK: for connecting headphone or speaker with 3.5mm Audio Plug