75 lines
2.2 KiB
Markdown
75 lines
2.2 KiB
Markdown
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<!--
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---
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name: ReSpeaker 2 Mics pHAT
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class: board
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type: audio
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formfactor: phat
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manufacturer: seeed
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description: Dual-microphone expansion board for AI and voice applications
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url: http://wiki.seeed.cc/Respeaker_2_Mics_Pi_HAT/
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buy: https://shop.pimoroni.com/collections/raspberry-pi/products/respeaker-2-mics-phat
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image: 'respeaker-2-mics-phat.png'
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pincount: 40
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eeprom: no
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power:
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'2':
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'4':
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'17':
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ground:
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'6':
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'9':
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'14':
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'20':
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'25':
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'30':
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'34':
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'39':
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pin:
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'3':
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mode: i2c
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'5':
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mode: i2c
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'12':
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mode: i2s
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'19':
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mode: i2s
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'35':
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mode: i2s
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'38':
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mode: i2s
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'40':
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mode: i2s
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'32':
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name: GPIO12 pin 4
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'33':
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name: GPIO12 pin 3
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'11':
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name: Button
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mode: input
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external_pull: up
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active: low
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'19':
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mode: spi
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name: RGB LEDs Data
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'23':
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mode: spi
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name: RGB LEDs Clock
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-->
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# ReSpeaker 2 Mics pHAT
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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.
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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.
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## Features
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* BUTTON: a User Button, connected to GPIO17
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* MIC_Land MIC_R: 2 Microphones on both sides of the board
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* RGB LED: 3 APA102 RGB LEDs, connected to SPI interface
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* WM8960: a low power stereo codec
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* Raspberry Pi 40-Pin Headers: support Raspberry Pi Zero, Raspberry Pi 1 B+, Raspberry Pi 2 B and Raspberry Pi 3 B
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* POWER: Micro USB port for powering the ReSpeaker 2-Mics Pi HAT, please power the board for providing enough current when using the speaker.
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* I2C: Grove I2C port, connected to I2C-1
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* GPIO12: Grove digital port, connected to GPIO12 & GPIO13
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* JST 2.0 SPEAKER OUT: for connecting speaker with JST 2.0 connector
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* 3.5mm AUDIO JACK: for connecting headphone or speaker with 3.5mm Audio Plug
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