ASR Board for Arduino
Discontinued Arduino-compatible voice recognition board supporting up to 35 sentences with AD4 audio playback and optional Xbee/APC220 wireless module expansion.
Start wiring
UART · I2S · Module
Audio boards
52 other optionsAdafruit 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.
Related groups
4 groups
Buzzer 5V - Breadboard friendly visual preview
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 previewBuzzers & speakers
Passive 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
LM386 Sound Sensor visual preview
6+1 Microphone Array visual preview
Adafruit Electret Microphone Amplifier - MAX9814 w/ Auto Gain Control visual preview
Adafruit Electret Microphone Amplifier with Adjustable Gain visual previewMicrophones
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.
Audio · Microphones · 18 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 previewAmplifiers
MAX98357A 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 · 16 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 preview3D printing
DFRobot 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
