What are the voltage specs for the UART TX/RX lines?

The voltage specs for the UART TX/RX lines is 3.3V

Many sounds stop with a weird, loud glitching noise. How do I prevent? Is there a preferred format? Bad unit? I am using 16-bit wav 44.1k mono

1. It is recommended to use MP3 or WAV format music files 2. Use a 4ohm(<20W) or 8ohm(<10W) speaker, otherwise it cannot be driven, resulting in abnormal playback; At the same time, pay attention to provide sufficient power supply 3. The wire must not short circuit

I have a photoelectric pnp 900ma output ir sensor. need this to play a single song once that sensor detects an object. will this work? connections ?

I purchased this device because it seems to have the ability to play a different sound file individually based on closing one of 7 contacts. There are a number of small modules that will play a single mp3 file with the closing of a contact that appears to be much easier to set up and configure. This item came in an envelope that contained absolutely no paperwork or even a link that I could see. So, the only data on its use appears to be what I can get off the Amazon sales page. I hope this helps. Good luck trying to figure out how to use it.

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DC 12V 24V 20W Voice Playback Module, High Power Sound Board MP3 Player 64Mbit Flash Storage Mono 8ohm Support MP3 WAV for Arduino Father's Day DIY

Q: I have a photoelectric pnp 900ma output ir sensor. need this to play a single song once that sensor detects an object. will this work? connections ?

I purchased this device because it seems to have the ability to play a different sound file individually based on closing one of 7 contacts. There are a number of small modules that will play a single mp3 file with the closing of a contact that appears to be much easier to set up and configure. This item came in an envelope that contained absolutely no paperwork or even a link that I could see. So, the only data on its use appears to be what I can get off the Amazon sales page. I hope this helps. Good luck trying to figure out how to use it.

Product ID: 521782373

Details

Compatible devices
Personal
Brand
PEMENOL
Hardware interface
USB
Microphone form factor
Built-In
Format
MP3 Audio

🎵Supports MP3/WAV

💾64Mbit Flash Storage

🔊20W Power Output

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Description

🎶 Elevate Your Audio Game!

EASY CONNECTIVITY - Connect via USB for hassle-free audio file updates and enjoy a 3.5mm audio interface for versatile use.
UNLEASH YOUR SOUND - Experience powerful audio with a 20W class D amplifier that drives your favorite speakers effortlessly.
CUSTOMIZABLE CONTROL - Utilize UART serial port control for tailored audio experiences, with multiple I/O modes for ultimate flexibility.
LIMITLESS AUDIO LIBRARY - Store and access up to 65,535 tracks, making it perfect for any occasion or project.
VERSATILE PLAYBACK OPTIONS - Seamlessly supports MP3 and WAV formats, ensuring your audio library is always at your fingertips.

The PEMENOLDC 12V 24V 20W Voice Playback Module is a high-power sound board designed for DIY enthusiasts and professionals alike. With 64Mbit flash storage, it supports MP3 and WAV formats, allowing for extensive audio playback options. The module features a robust 20W amplifier, multiple connectivity options, and customizable control modes, making it an ideal choice for Arduino projects and beyond.

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