-S20F 20W MP3 Voice Broadcast Module -340 USB to TTL Serial Port Control MCU Control Trigger Custom Audio

-S20F 20W MP3 Voice Broadcast Module -340 USB to TTL Serial Port Control MCU Control Trigger Custom Audio Description

6-35V power supply
Can be connected to active speakers
Drive 20W speakers
USB replacement audio files,Onboard 64Mbit (8M bytes) storage
Serial UART control playback,Relay output (alarms linkage)

Power input:6-35VDC
Power output:5V
Digital input and output:BUSY, UART_TX, UART_RX
high level:2.7-3.3
low level:0-0.3
Use a USB-Type C data cable to connect the module to the computer, identify it as a USB flash drive, and copy the audio files directly into Just go Note: The audio file name format is 5 digits, for example: 00001.mp3; 65535.mp3
(The product printed words depending on the batch, but this does not affect use)
Color: As Shown
Material: PCB

Package Contents:
1 x MP3 Voice Module kits

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.