Capture sounds in stereo with Pirate Audio: Dual Mic for Raspberry Pi. This mini HAT features a matched pair of I2S microphones, a vibrant high-resolution colour display, and four tactile control buttons for a complete recording solution.

Record audio clips at the click of a button – use it as a dictaphone for notes and reminders, capture sounds for machine learning analysis, or integrate it with voice assistant APIs like Google Assistant or Alexa. Part of Pimoroni's Pirate Audio range, combining high-quality digital audio with crisp IPS displays and tactile controls.

Key Features

Stereo I2S Microphones – Matched pair of SPH0645LM4H-B microphones with 65dB signal-to-noise ratio
1.3" IPS Colour Display – 240×240 pixel LCD with ST7789 driver for clear visuals
Four Tactile Buttons – Active low on GPIO BCM 5, 6, 16, and 24
Mini HAT Format – Fully assembled with standard 40-pin header
Compact Design – No chunky underside components, compatible with Pibow Coupé cases

Specifications

Microphones: 2× SPH0645LM4H-B (SiSonic™ acoustic sensor with built-in ADC)
Display: 1.3" IPS LCD, 240×240px, ST7789 driver
Interface: I2S audio, SPI display
Compatibility: All 40-pin header Raspberry Pi models
Dimensions: 31mm × 65mm × 9mm (approx)

Ideal For

Stereo audio recording projects
Voice assistant integration
Machine learning audio capture
Dictaphone and voice memo applications

Getting Started

Set up an SD card with the latest Raspberry Pi OS
Connect to Wi-Fi or wired network

Open a terminal and run:

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

Reboot your Pi

Note: Pirate Audio Dual Mic does not have audio output. To play back recordings, use a Raspberry Pi with an audio jack, Bluetooth speaker, HDMI audio, or another Pirate Audio board with a HAT Hacker HAT.

Resources

Pirate Audio GitHub Repository
SPH0645LM4H-B Microphone Datasheet

Audio HATs

HIFI DAC Audio Sound Card Module I2S interface for Raspberry Pi

Pirate Audio Speaker for Raspberry Pi

pHAT BEAT

Pirate Audio: Dual Mic for Raspberry Pi