Keyestudio ReSpeaker 2-Mic HAT V1.0

The Keyestudio ReSpeaker 2-Mic HAT V1.0 is a professional audio expansion board designed for Raspberry Pi platforms, enabling high-quality voice capture and audio playback for embedded and AI-based applications. It integrates two onboard microphones and a low-power stereo audio codec, providing reliable and clear audio performance for voice interaction projects. This HAT connects directly to the Raspberry Pi 40-pin GPIO header, ensuring seamless hardware integration without additional wiring. With support for audio input and output, it is well suited for applications requiring real-time voice acquisition, sound processing, and human–machine interaction. The board also includes programmable RGB LEDs, a user button, and Grove expansion connectors, allowing developers to build interactive and expandable systems. Its compact design and stable performance make it suitable for both prototyping and production environments. Key Features Dual onboard microphones for stereo voice capture Integrated low-power stereo audio codec (WM8960) Direct compatibility with Raspberry Pi GPIO header Supports audio input and output Programmable RGB LEDs for status indication User-programmable button Grove connectors for GPIO and I2C expansion Applications Voice assistants and AI voice interfaces Smart home and IoT voice control systems Audio recording and sound detection Educational and research projects Human–machine interaction systems