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ReSpeaker 2-Mic Pi HAT Shield for Raspberry Pi 4/4B/ Pi 3 3B /2BProduct Synopsis

Features:
1)Support the Raspberry Pi 4/4B+, Raspberry Pi 2B /3B/ 4B.
Note it doesn't work with Raspberry Pi Zero 2W.
2)Two microphones (Mic L and Mic R)
3)Two Grove connectors
4)One User-defined button
5)3.5mm audio interface
6)XH2.54-2PIN audio output connector

Interface Explanations:
1)Button: default connected to GPIO17
2)Mic L and Mic R: microphone (labeled LEFT and RIGHT)
3)RGB LED: three APA102 RGB LEDs, connected to the SPI interface of Raspberry Pi.
4)WM8960: Low Power Stereo Codec
5)Raspberry Pi 40 pin header: support the Raspberry Pi 1 B+, Raspberry Pi 2B 3B and Pi 4.
6)POWER: Micro USB port that powers the ReSpeaker 2-Mic Pi HAT. Power the circuit board to supply enough current when use the speaker.
7)I2C: Grove I2C port, connected to I2C-1
8)GPIO12: Grove digital port, connected to GPIO12 and GPIO13
9)XH2.54-2PIN SPEAKER OUT: connecting speakers
10)3.5mm audio jack: connecting headphones or speakers with 3.5mm audio plug

Package List:
ReSpeaker 2-Mic Pi HAT Shield *2

Unique Attributes

• This ReSpeaker 2-Mic Pi HAT shield is compatible with raspberry pi 4/4B/Pi3/3B/2B, designed for AI and voice applications. It is a low power stereo Codec based on the WM8960.
• There are two microphones on the shield for sound collection, three APA102 RGB LEDs, one user button and two Grove connectors for application extension.
• Comes with a 3.5mm audio jack or XH2.54-2PIN speaker output can be used for audio output.
• You can build a more powerful and flexible voice product that integrates Amazona voice services, Assistant, and more.
• Package includes: 2 x ReSpeaker 2-Mic Pi HAT Shield

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