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Sound
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12.5mm Piezo Buzzer
Here's an unamplified Piezo element for breadboarding sound applications (making or detecting sound!)$2.00 USDIn stock
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2" Round Mini Speaker 8 Ohm
2" round, 8 ohm, 0.25 watt general purpose replacement speaker. Paper cone, Alnico magnet. Unit comes with 6" wire lead attached.$3.09 USDIn stock
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22mm Piezo Element Speaker
This piezo element comes housed in a plastic case, and has two pins at 0.4" spacing for convenient breadboard mounting.$1.25 USDIn stock
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Adafruit Audio FX Sound Board – WAV/OGG Trigger (16MB)
The Audio FX Sound Board lets you trigger and play audio files with no additional microcontroller required.$28.95 USDIn stock
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Adafruit Audio FX Sound Board – WAV/OGG Trigger (2MB)
The Audio FX Sound Board lets you trigger and play audio files with no additional microcontroller required.$22.95 USDIn stock
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Adafruit Mono 2.5W Class D Audio Amplifier – PAM8302
Sometimes the LM386 audio amplifier just isn't strong enough. That's where this module takes over, in a compact footprint.$4.95 USDIn stock
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Enclosed Stereo Speaker Set – 3W, 4 Ohm impedance
Speakers. That are ready to use, and easy to mount. DONE.$8.50 USDIn stock
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MEMS microphone board
Newer MEMS microphones give much better response than older style electret mics, and they're smaller too.$9.95 USDIn stock
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Sparkfun Electret Microphone
Small electret microphone. Useful in acoustic and audio applications, voice recordings.$1.29 USDIn stock
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Sparkfun Electret Microphone Breakout
Audio sensors & mics have to be amplified just right for best response. Here's a tidy unit engineered by Sparkfun to make adding an electret mic to your project easy.$7.69 USDIn stock
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Sparkfun WAV Trigger
This is easily the best and most complete audio playback module for hardware hacking we've seen. 16 trigger lines, 14 simultaneous playbacks - it's impressive.$62.69 USDOut of stock
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Teensy 4 Audio Board, Rev D
The Teensy Audio Board, configured specifically for the Teensy 4.0 (but compatible with other microcontrollers via custom wiring!)$19.99 USDAvailable on backorder
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