Raspberry Pi 3B Respeaker Intelligent Voice Module Dual Microphone Expansion Board Suitable For Raspberry Pi 3B+/3B/zero

Specifications:

• ReSpeaker 2-Mics Pi is a dual-microphone expansion board for Raspberry Pi designed for AI and voice applications. This means you can build a more powerful and flexible voice product that integrates Amazon's 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 also provides 3 APA102 RGB LEDs, 1 User Button and 2 on-board Grove interfaces for expanding your applications. What's more, 3.5mm Audio Jack or JST 2.0 Speaker Out are both available for audio output.
• 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, please power the board for providing enough power 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