ReSpeaker has released its 4-Microphone Raspberry Pi HAT (Hardware Attached on Top), a quad-microphone expansion board for Raspberry Pi which has been designed for AI assistant and voice applications.
Raspberry Pi enthusiasts may be interested to know that hardware manufacturers ReSpeaker have created a new quad microphone expansion board specifically designed for the range of Pi mini PC systems.
Raspberry Pi gets an analogue audio amplifier for driving stereo headphones. The 503HTA, Hybrid Tube AMP/DAC is a small Hat size raspberry pi add-on developed by Pi 2 Design. It connects to the PI I2S ...
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