개요

This is a sound card HAT designed for Raspberry Pi, low power consumption, supports stereo encoding / decoding, features Hi-Fi playing / recording, what`s more, it can directly drive speakers to play music.

Features

• Raspberry Pi connectivity, compatible with Raspberry Pi Zero/Zero W/Zero WH/2B/3B/3B+

• Integrates WM8960 low power stereo CODEC, communicates via I2S interface

• Integrates dual high-quality MEMS silicon Mic, supports left & right double channels recording, nice sound quality

• Onboard standard 3.5mm earphone jack, play music via external earphone

• Onboard dual-channel speaker interface, directly drives speakers

• Supports sound effects such as stereo, 3D surrounding, etc.

• Comes with development resources and manual (python demo code for playing / recording)

Specifications

• CODEC: WM8960

• Power supply: 5V

• Logic voltage: 3.3V

• Control interface: I2C

• Audio interface: I2S

• DAC signal-noise ratio: 98dB

• ADC signal-noise ratio: 94dB

• Earphone driver: 40mW (16Ω 3.3V)

• Speaker driver: 1W per channel (8Ω BTL)

Development Resources

Wiki : www.waveshare.com/wiki/WM8960_Audio_HAT