Audio-Codec-HAT-for-Raspberry-Pi

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Audio Codec Hat for Raspberry Pi

Audio Codec HAT is a low-power, high-quality stereo CODEC designed for portable digital audio applications which are based on WM8960 IC that have the advantages like Low leakage, excellent PSRR, and pop/click suppression mechanisms that allow direct battery connection to the speaker supply. Flexible speaker boost settings allow speaker output power to be maximized while minimizing another analog supply current.

Features

  • Low Power Consumption
  • Stereo Encoding/Decoding
  • Dual-Channel Speaker Interface
  • Hi-Fi Playing/Recording
  • Onboard 3.5mm Jack

Specifications

  • Codec Module - WM8960
  • Onboard - 3.5 mm Jack, Dual Channel Speaker Interface
  • Power Supply - 5V
  • Logic Voltage - 3.3V
  • Earphone Drive - 40MW (16Ω @3.3V)
  • Communication Interface - I2C
  • Audio Interface - I2S
  • Speaker Driver - 1W Per Channel (8Ω BTL )
Audio Codec Hat for Raspberry Pi
Buy it From : Click Here

Pinouts

AudioCodec2.png

Installation

  • Download the repository
git clone https://github.com/sbcshop/Audio-Codec-Hat-for-Raspberry-Pi
  • Go to below directory to Install the driver (follow steps)
cd Audio-Codec-Hat-for-Raspberry-Pi
sudo chmod 777 *
sudo ./install.sh
  • After installation reboot raspberry pi
    sudo reboot
  • Perform the following command to restart the service if the 3.5mm jack has no audio output.
sudo systemctl restart wm8960-soundcard.service

If you notice a noise problem with the Audio Codec, reinstall the driver and try it again.

Mic Test

Replace *0* in *Dhw:0* with your card number, command to know card number

arecord -l


sudo arecord -f cd -Dhw:0 | aplay -Dhw:0

Resources

Github