DescriptionIQaudio Codec Zero is a Raspberry Pi Zero-sized audio I/O HAT from the Raspberry Pi Foundation. It delivers bi-directional digital audio signals (I2S) between Raspberry Pi Zero and its onboard Dialog Semiconductor DA7212 codec. Codec Zero supports a range of input and output devices, from the built-in MEMS microphone to external mono electret microphones and 1.2W, 8Ω mono speakers.IQaudio Codec Zero 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. Codec Zero makes a great starting point for a walkie talkie, intelligent doorbell, vintage radio hack, or smart speaker.Documents: IQaudio product briefCompliance:IQaudio Codec Zero has undergone extensive compliance testing and meets the standards required in many countries. You can find all compliance information and regional certificates at raspberrypi.org/compliance.Obsolescence Statement IQaudio Codec Zero will remain in production until at least January 2026
