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Pi Australia  |  SKU: PR-PIM524

Pirate Audio: Dual Mic for Raspberry Pi

$54.08
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Capture sounds in stereo and store them safely away in your Raspberry Pi with Pirate Audio: Dual Mic. It has a matched pair of I2S microphones, a vibrant high-res colour display, and four tactile control buttons.
This Raspberry Pi mini HAT is perfect for recording stereo audio clips at the click of a button. You could use it as a mini dictaphone for recording important notes, shopping lists, melodies or prophetic dreams, or if you wanted to take it a step further you could use it to capture sounds to analyse with machine learning or even hook it up to Google Assistant or Alexa APIs.
Pirate Audio is a range of all-in-one audio boards for Raspberry Pi, with high-quality digital audio, beautifully-crisp IPS displays, tactile buttons for software control and custom Pirate Audio software.
Features
  • 2x SPH0645LM4H-B microphones (datasheet)

    • High performance SiSonic™ acoustic sensor
    • High Signal to Noise ratio of 65dB
    • Inbuilt Analog to Digital Converter
    • I2S interface
  • 1.3" IPS colour LCD (240x240px) (ST7789 driver)
  • Four tactile buttons
  • Mini HAT-format board
  • Fully-assembled
  • Compatible with all 40-pin header Raspberry Pi models
  • Pirate Audio software
  • Dimensions: 31mm x 65mm x 9mm (approx, including screen and header)
Software
We've put together a clip recorder example application to show you how to record audio files and play them back, as well as a convenient installer!
Here's how to get started:
  1. Set an SD card up with the latest version of Raspberry Pi OS.
  2. Connect to Wi-Fi or a wired network.
  3. Open a terminal and type the following:

    git clone https://github.com/pimoroni/pirate-audio
    cd pirate-audio/clip-recorder
    sudo ./install.sh

  4. Reboot your Pi
(There's more info about what the installer does, what audio plugins we've used and how to install them manually on Github).
Notes
  • The buttons are active low, and connected to pins BCM 5, 6, 16, and 24.
  • Unlike the other Pirate Audio boards, Dual Mic doesn't have any chunky components on the underside so it will work fine with a Pibow Coupé case without a booster header.
  • Please note that Pirate Audio: Dual Mic doesn't have any audio output itself, so if you want to be able to listen back to what you've recorded you'll need to use a full size Raspberry Pi with an audio jack, or some alternative audio arrangement, like a Bluetooth speaker or audio over HDMI. You could  potentially also use one of our other Pirate Audio boards for audio output, via something like a HAT Hacker HAT).

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