Raspberry Pi Zero has HDMI, Bluetooth and USB for potential Audio Outputs but it is missing PWM audio output compared to full-sized Raspberry Pi.
If your project requires PWM audio output on Raspberry Pi Zero, you can custom add it by connecting bits of electronic components together.
Required Components
Resistor 150R
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Resistor 270R
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Capacitor 10uF
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Capacitor 33nF
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3.5mm Stereo/Mono Socket
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Connection
Modify Raspberry Pi Configuration
sudo nano /boot/config.txtAdd below at the bottom.
dtoverlay=pwm-2chan,pin=18,func=2,pin2=13,func2=4You can test the audio output using an audio file with your favourite player.
paplay your_sound_file.wavOther Tutorials
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Raspberry Pi Zero has HDMI, Bluetooth and USB for potential Audio Outputs but it is missing PWM audio output compared ...