
7-element digital microphone array with I2S output, RGB LEDs, and DSP noise reduction for voice capture and beamforming applications in portable devices.

I2S · Analog · 3.3 – 5 V · Breakout
Adafruit/Pimoroni list the electret microphone amplifier as a MAX4466-based board with 2.4–5 V DC supply, rail-to-rail analog output and …
MAX4466 and MAX9814 electret preamp breakouts for analog audio, I2S MEMS mics (ICS-43434, SPH0645LM4H, INMP441) for digital audio, PDM breakouts, ReSpeaker arrays for far-field pickup, and an LM386 sound detector.
Adafruit Electret Microphone Amplifier with Adjustable Gain visual previewAdafruit Electret Microphone Amplifier with Adjustable Gain
Adafruit I2S MEMS Microphone Breakout - ICS-43434 visual previewAdafruit I2S MEMS Microphone Breakout - ICS-43434
EL Wire Sound Activated Pocket Inverter - 5V USB Power visual previewEL Wire Sound Activated Pocket Inverter - 5V USB Power
Electret Microphone - 20Hz-20KHz Omnidirectional visual previewElectret Microphone - 20Hz-20KHz Omnidirectional
Fermion: MEMS Microphone Module - S15OT421 (Breakout) visual previewFermion: MEMS Microphone Module - S15OT421 (Breakout)
Gravity: Analog Sound Level Meter visual previewGravity: Analog Sound Level Meter
HiLetgo INMP441 I2S Microphone Module visual previewHiLetgo INMP441 I2S Microphone Module
I2S MEMS Microphone Breakout - SPH0645LM4H visual previewI2S MEMS Microphone Breakout - SPH0645LM4H
I2S Microphone Module visual previewI2S Microphone Module
LM386 Sound Sensor visual previewLM386 Sound Sensor
MAX9814 Microphone Amplifier Module visual previewMAX9814 Microphone Amplifier Module
MEMS Microphone Sensor visual previewMEMS Microphone Sensor
Adafruit Audio FX Mini Sound Board - WAV/OGG Trigger 16MB Flash visual preview
Adafruit Audio FX Sound Board - WAV/OGG Trigger with 2MB Flash visual preview
Adafruit Audio FX Sound Board + 2x2W Amp - WAV/OGG Trigger -16MB visual preview
Adafruit I2S 3W Stereo Speaker Bonnet for Raspberry Pi - Mini Kit visual previewAdafruit Audio FX boards and WAV Trigger for standalone playback, DFPlayer Pro and Gravity MP3 for MCU-scripted audio, EasyVR for speech recognition, Fermion/Gravity voice recorders, and Pi I2S DAC/codec boards.
Audio · Audio boards · 51 parts
2030 Cavity Speaker Type B, 8Ω 2W (2PIN PH1.25) visual preview
2030 Cavity Speaker, 8Ω 2W (4PIN PH1.25) visual preview
20W 4 Ohm Full Range Speaker - XS-GTF1027 visual preview
8Ω 5W Speaker visual previewPassive speakers from 1 W to 20 W (4–8 Ω), piezo buzzers active and passive, bone-conductor and surface transducers, and a BOSON buzzer module — all need a matching driver circuit or amplifier.
Audio · Buzzers & speakers · 23 parts
3W Mini Audio Stereo Amplifier (W2) visual preview
Adafruit I2S 3W Class D Amplifier Breakout - MAX98357A visual preview
Adafruit Mono 2.5W Class D Audio Amplifier - PAM8302 visual preview
Adafruit STEMMA Piezo Driver Amp - PAM8904 visual previewMAX98357A and MAX98357 I2S class-D amps, PAM8403 and TPA2012 analog stereo amps, MAX9744 20W stereo amp, LM386 and PAM8302 mono amps, and discrete op-amp packs for signal-level work.
Audio · Audio amplifiers · 15 parts
1.75mm PLA (1kg) - Black visual preview
1.75mm PLA (1kg) - Gold visual preview
1.75mm PLA (1kg) - Green visual preview
1.75mm PLA (1kg) - Natural visual previewDFRobot 1.75 mm PLA in 1 kg spools makes up the bulk of the group, in over 15 colors. Specialty options include PVA in both diameters, NinjaFlex flexible filament, Proto-Pasta conductive PLA, and wood-fill. OverLord printer spares and OverLord printers round out the hardware side.
Tools & prototyping · 3D printing · 53 parts