Respeaker 2-Mics Pi HAT

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ReSpeaker 2-Mics Pi HAT
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

Mic-hatv10.png

  • 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

Packin List

  • 1 x Board

User Guide

Or please refer to Offcial website

Document

File:WM8960-Datasheet.pdf

File:ReSpeaker-2-Mics-Pi-HAT-SCH.pdf

File:ReSpeaker-2-Mics-Pi-HAT-PCB.pdf

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