ReSpeaker 2-Mics Pi HAT(Raspberry Pi HAT,Raspberry Pi Expansion Board) Smart Voice Dual Microphone Expansion Board Base on wm8960, Designed for AI and Voice Applications

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, 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 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 B
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

Note:
This product does not include the Raspberry Pi board.