Fingerprint Sensor AS608 - A Beginner's Guide
One touch can replace keys. This project uses an optical fingerprint sensor to enroll users and then grant access with a quick scan.
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Tiny MP3 Player Module for Embedded Projects
The MP3 Music Player Mini is a compact MP3 decoder module that reads audio files from a microSD card and outputs analog audio. Control it via serial UART from an Arduino or other microcontroller to build music boxes, talking devices, notification systems, and automated announcements.
Audio playback comparison
| Module | Storage | Control | Best for |
|---|---|---|---|
| MP3 Mini (this) | MicroSD card | Serial UART | Long audio, music playback |
| VS1053 Shield | MicroSD card | SPI (Arduino shield) | Advanced audio projects, MIDI |
| Audio FX Board | Onboard flash (2–16 MB) | GPIO triggers | Triggered sound effects, no MCU |
| ISD1820 | Onboard (20 sec) | Button / GPIO | Voice messages, greetings |
Technical specifications
| Decoder | MP3 / WAV |
|---|---|
| Storage | MicroSD card (FAT16/FAT32) |
| Control | Serial UART |
| Output | Analog audio (line out) |
| Supply | 3.3–5V |
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Schools / class POs: we accept Purchase Orders for accredited schools and universities. contact us with your PO details.
Returns: 7-day inspection window for DOA units. Email proof of issue and we ship a replacement.
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