ReSpeaker 2-Mics Pi-Hat

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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 with your Raspberry Pi B+/2/3/Zero/ZeroW!

The ReSpeaker is based on the Cirrus Logic WM8960, a low power stereo codec, and features 2 microphones on both sides of the board for collecting sounds. It also provides 3 x APA102 RGB LEDs, 1 x User Button, and 2 x 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.


  • 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
  • Audio codec onboard
  • Two types of audio output socket: 3.5mm Audio Jack, JST2.0 Speaker Out
  • Far-field support (up to 3 meters)
  • Dimensions  :  65mm x 30mm x 15mm
  • Battery:  Exclude

Creative applications: 

    • Voice interaction application
    • AI Assistant

Hardware Overview:

    • Button:  User-defined button connected to GPIO17
    • MIC_L&MIC_R:  There is a microphone on the left side of the left
    • RGB LED:  3 APA102 RGB LEDs, SPI interface to Raspberry Pi
    • WM8960:  Low-Power Stereo Codec
    • Raspberry Pi 40 Needle:  Support Raspberry Pi Zero, Raspberry Pi 1 B +, Raspberry Pi 2 B, and Raspberry Pi 3
    • POWER:  Micro USB port used to power the ReSpeaker 2-Mics Pi HAT. Power the board while using the
    • speaker to provide enough current.
    • I2C:  Grove I2C port, connected to I2C-1
    • GPIO12:  Grove digital port, connected to GPIO12 and GPIO13
    • JST 2.0 SPEAKER OUT:  For connecting speakers, JST 2.0 connector
    • 3.5mm audio jack:  for connecting headphones or speakers with 3.5mm audio plugs

Package included :

1 x ReSpeaker 2-Mics Pi-Hat ( not include Raspberry Pi )

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