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Features

Equipped with a high quality audio decoder chip.
Supports MP3 and WAV audio files.
Built-in a 8MB flash memory, which is able to store total of about 8 minutes long MP3 files of 128Kbps.
Equipped with a micro SD card holder, and supports max. 32GB micro SD card.
Solder pads for connection with external USB flash drive available on the back of the board.
Update audio files easily through the micro USB port connected with PC like using a USB drive.
Built-in a class D 15Watts amplifier IC that is possible to drive a 10Watts 8ohms or 15Watts 8ohms speaker.
Solder pads for audio signal out to external amplifier available on the back of the board.
Adjustable sound volume through the blue potentiometer.
Can be activated with a PIR sensor, micro wave sensor, switch or relay.
Optional to play a sound in order or in random after each activation when there are multiple files in the memory.
When a sound is playing, there is a load output simultaneously, which can directly drive a warning light, LED light or LED strip.

Technical parameters

Trigger Functions

If there are multiple files in the internal memory, after each activation, the player will play an audio file at a time in sequence (from the first file to the last one in the loop) This is the default setting for all boards
If you want the player to play an audio file randomly each time among all the files, you need to create a simple configuration file and put it together with the audio files in the root directory of the memory with a "2" in the config file. That will play the sounds on the board in random order.
If you would like to have the board loop a sound you must edit the config file to have a "3" after that when you hold the button down ( Ground out the GND and TG terminals ) and apply power after, it will loop the sounds on the board ( It will loop the sounds in the order as they are on the board [ie 001, 002, Etc..] )