IQaudio Product Guide - Raspberry Pi
MEMS microphone, mono Electret microphone or mono speaker (1.2W / 8Ω). It also has GREEN (GPIO23) and RED (GPIO24) LEDs, that can be used for status and a tactile button (GPIO27) that can be used to start an event. The Codec Zero makes a great starting point for a walkie talkie / intelligent doorbell, vintage radio hack or Smart type speaker.
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