Voice Playback Module MP3 Reminder Board TF-Card Slot Adjustable Potentiometer Serial Port Expansion Board for Arduino

Power supply: 5V 1A

Trigger port: 9

Trigger song: Direct trigger 9 song, SCM trigger 31 song

Speaker parameters: 0-2W, 4-8Ω (adjustable volume)

Maximum memory support: 16G

Support playback format: MP3, WAV

Trigger level: Low level trigger, the indicator flashes three times after power

Sampling rate: 8,11.025,12,16,22.05,24,32,44.1,48KHz

Fully supports FAT16 / FAT32 file system

BY: get a flat output when playing, not playing the default low

CN1: Play second song

5V: 5V positive power supply

GND: 5V power supply negative

Material:PC+Metal

colour:As shown

Package Contents:

1 * Voice Playback MP3 Reminder Module

Only the above package content, other products are not included.

Note: Light shooting 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.

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