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'''Documentation notice:''' This technical documentation was independently rewritten from an archived supplier source. Check technical details and commands against the product version and manufacturer documentation before use.<br />
<br />
== Summary ==<br />
The WM8960 Audio HAT is an audio module for Raspberry Pi with a stereo CODEC, onboard MEMS microphones, and 3.5 mm headphone and speaker connections. It enables playback and recording via I2S/I2C.<br />
<br />
== Related products at JW Tech ==<br />
* [https://shop.jw-tech.eu/p/WSAL15668 WSAL15668 – WM8960 Hi-Fi Sound Card HAT for Raspberry Pi, Stereo CODEC, Play/Record]<br />
<br />
== Technical overview ==<br />
* Connects via the standard Raspberry Pi 40-pin GPIO header.<br />
* Integrates a WM8960 stereo CODEC over the I2S interface.<br />
* Two onboard MEMS silicon microphones for stereo recording.<br />
* 3.5 mm headphone jack for playback through external headphones.<br />
* Dual speaker outputs (LP/LN left, RP/RN right) for direct driving.<br />
* Specifications: 5 V supply, 3.3 V logic; DAC SNR 98 dB, ADC SNR 94 dB.<br />
* Headphone drive: 40 mW at 16 Ω/3.3 V; speaker drive: 1 W per channel (8 Ω BTL).<br />
* Example verification commands: aplay -l and arecord -l list available audio devices.<br />
<br />
'''Commands and examples – verify before use:''' <br />
<syntaxhighlight lang="text"><br />
git clone https://github.com/waveshare/WM8960-Audio-HAT<br />
cd WM8960-Audio-HAT && sudo chmod +x install.sh && sudo ./install.sh && sudo reboot<br />
sudo dkms status<br />
aplay -l<br />
arecord -l<br />
sudo arecord -f cd -Dhw:0 | aplay -Dhw:0<br />
sudo arecord -D hw:0,0 -f S32_LE -r 16000 -c 2 test.wav<br />
sudo aplay -Dhw:0 test.wav<br />
sudo alsamixer<br />
sudo apt-get install mpg123 && sudo mpg123 music.mp3<br />
sudo apt-get install smplayer<br />
apt install alsa-utils<br />
arecord -Dhw:0,1 -f S32_LE -r16000 -c2 -d 10 -t wav sound_32b_16k.wav<br />
aplay -Dhw:0,2 -f S32_LE -r16000 -t wav sound_32b_16k.wav<br />
tinycap ./2chn_test.wav -D 0 -d 0 -c 2 -b 16 -r 48000 -p 512 -n 4 -t 5<br />
tinyplay ./2chn_test.wav -D 0 -d 1<br />
</syntaxhighlight><br />
<br />
== Notes and version constraints ==<br />
* The guides apply only to Raspberry Pi OS (Raspbian); other distributions require manual adaptation.<br />
* If noise or no sound through the 3.5 mm jack: reinstall the driver and/or restart the wm8960-soundcard.service.<br />
* Kernel version determines which driver branch to clone: kernel &lt; 5.0 → rpi-4.9.y; kernel ≥ 5.0 → main branch. Run only one of the two.<br />
* On 64-bit systems, adding arm_64bit=0 to /boot/config.txt may be required; then reboot and reinstall the driver.<br />
* The headphone jack uses the 4-pole OMTP standard; CTIA headphones may have no mic-channel output.<br />
* No external microphone input pins exist; recording is only possible via the onboard MEMS microphones.<br />
* For Raspberry Pi 5, a fresh Bookworm OS and a clean SD card may be needed; exact steps depend on your system configuration.<br />
<br />
== Source and revision record ==<br />
* [https://www.waveshare.com/wiki/WM8960_Audio_HAT WM8960 Audio HAT - Waveshare Wiki]<br />
* Source revision: 105389<br />
* Captured: 2026-08-31T02:55:01+00:00<br />
* SHA-256: <code>186ea7ec8bb71dd814ee2902b99b043d0c650951c15e1fe54cb6877b263d2bcb</code></div>JWTechPublisher