Audio-Codec-HAT-for-Raspberry-Pi

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 )

Buy it From : Click Here

Pinouts

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

• Source Code