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Gravity: UART MP3 Voice Module
Do you always feel like the DIY work is boring, not attractive or no vitality when you design it by yourself? This new Gravity MP3 voice module produced by DFRobot can solve these problems. This module can store 8MB audio files, which means it can store more than 200 audios for your choice, sup...
I2S Microphone Module
A compact digital MEMS microphone module based on the MSM261S4030H0 chip, providing 24-bit I2S digital audio output. The built-in I2S interface connects directly to DSPs and microcontrollers without requiring an external codec, simplifying audio capture designs. An on-board SK9822 RGB LED provide...
Audio BLE/SPP Pass-through Module - Bluetooth 5.0
INTRODUCTIONThis Bluetooth module features Bluetooth/U-disk/TF-card playback, and Bluetooth call function, supporting simple and clear serial port control function, BLE pass-through, and SPP pass-through functions. The highlight of this product is the dual-mode Bluetooth, which also means that it...
Electret Microphone Amplifier - MAX9814 with Auto Gain Control
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Add an ear to your project with this well-designed electret microphone amplifier with AGC. This fully assembled and tested board comes with a 20-20KHz electret microphone soldered on. For the amplification, we use the Maxim MAX9814, a specialty chip that is designed for amplifying electret micro...
HIFI DAC Audio Sound Card Module I2S interface for Raspberry Pi
A high-fidelity DAC expansion board for Raspberry Pi that delivers superior audio quality over the Pi's built-in 3.5mm output. Built around Texas Instruments' PCM5122 DAC chip, this board connects via the I2S interface and supports up to 384kHz sampling with 112dB dynamic range — ideal for buildi...
Evaluation Board for Audio BLE/SPP Pass-through Module - Bluetooth 5.0
An evaluation board for a dual-mode Bluetooth 5.0 module that handles both wireless audio and serial data pass-through simultaneously. It can play audio from U-disk or TF card, stream audio over Bluetooth, handle Bluetooth call control, and run BLE or SPP data pass-through — all at the same time,...
Audio Stereo Decoder Module Board 3.3V - 5V
HS1891 DAC Module CJMCU-1334 UDA1334A I2S DAC Audio Stereo Decoder Module Board 3.3V - 5V Feature: This fully-featured UDA1334A I2S Stereo DAC breakout is a perfect match for any I2S-output audio interface. 3.3V - 5V logic levels and can process multiple different formats by setting tw...
3W mini audio stereo amplifier
This compact stereo amplifier module from DFRobot is based on the PAM8403 chip, delivering 3W per channel into 4Ω speakers with over 90% efficiency. It's a fully functional two-channel audio amplifier with an integrated sleep mode that can be controlled via a microcontroller. Operating from 3.6–...
Sound module
This compact sound module lets a microcontroller detect the presence of loud sounds using its onboard microphone.It is designed for sound detection rather than audio recording or interpretation. An Arduino can read the module to respond to noise events, but it cannot directly interpret or record ...
3W Mini Audio Stereo Amplifier (W2.54)
This compact stereo amplifier module from DFRobot features a 2.54mm pin pitch for easy breadboard and embedded use. It delivers 3W per channel with left and right stereo output, and includes a shutdown (SHDN) pin for switching between working and sleep modes. By default, the module is in working...
Voice Prompt Module with Integrated MP3 Player and Speaker
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This compact voice prompt module integrates an intelligent MP3 playback chip with a 1 W speaker in a tiny 30 × 11 mm package. It supports MP3, WAV, and WMA hardware decoding with 16 MB of on-board storage that retains files even when power is lost. Control playback via the built-in button (short...
LittleBits Mix
The littleBits Mix module combines two audio inputs into a single output, with independent volume controls for each channel. It's an essential module for creating layered sounds, mixing oscillators, or blending multiple audio sources in your littleBits synth projects. Part of the littleBits modu...
0.100 (2.54 mm) Female Header: 2x6-Pin, Straight
The 0.100″ (2.54 mm) 2×6-Pin Straight Female Header is a double-row, 12-pin socket strip designed to mate with standard 0.1″ pitch male headers. Its 2×6 layout provides a compact, medium-density connection suitable for a variety of embedded applications. A 12-pin dual-row configuration is common...
Gravity: Offline Language Learning Voice Recognition Sensor for Arduino / Raspberry Pi / Python / ESP32 - I2C & UART
What is voice recognition? Voice recognition is a computer technology that recognizes and converts speech signals into editable text or operational commands through analysis. It allows people to interact with computers by speaking without using a mouse, keyboard, or other input devices. ...
MAX98357 I2S Amplifier Module
This I2S digital amplifier based on the MAX98357 I2S Class D amplifier module works great with microcontrollers with I2S audio outputs like ESP32 and can be applied to projects like IoT nodes, smart home devices, Bluetooth audio players, and so on. The module supports a 3.3V-5V power supply. And ...
MP3 and MIDI Codec - VS1063
VS1063 is an easy-to-use, versatile encoder, decoder and codec for a multitude of audio formats. They can be hard to get hold of but we’ve got them! The VS1063 contains a high-performance, proprietary, low-power DSP core as well as ROM memory, 16KiB instruction RAM and up to 80 KiB data RAM for...
Stereo Bluetooth Amplifier Board
This is a small size and cost-effective Bluetooth 5.0 digital amplifier module with a volume adjustment function. It can connect to two speakers and match a wide variety of high-power speakers (40W-200W). This board can be used as a small Bluetooth speaker when connected to Raspberry Pi or mob...
Motion Activated Audio Player with Separate PIR
This motion-triggered audio player is designed to automatically play MP3 alerts when movement is detected by a separate PIR sensor. Because the PIR sensor is separate from the player, you can position the sensor where it needs to detect motion while mounting the audio player somewhere convenient....
MicroSD card module for Arduino
This is a Micro SD(TF) module from DFRobot. It is compatible with TF SD card (commonly used in Mobile Phone) which is the most tiny card in the market. SD module has various applications such as data logger, audio, video, graphics. This module will greatly expand the capbility an Arduino c...
DFPlayer - An Arduino Mini MP3 Player
Sing for the moment! The DFPlayer Mini is a small and low cost MP3 module player with an simplified output directly to the speaker. The module can be used as a stand alone module with attached battery, speaker and push buttons or used in combination with an Arduino UNO or any other with ...
