Supply MP3 nixie tube display recording decoding board ylc-6823

Mp3 nixie tube display recording decoding board
Model: ylc-6823b
I
function introduction:
1
Read USB flash disk, TF card and aux input function

2
MP3, sound file format, two audio formats decoding

3
High sensitivity recording, HD restoration, lossless playback, recording and playback for an ultra long time of 120 seconds

4
Replace the expensive traditional ISD recording, which is simple and easy to understand

5
Simple button operation and simple and generous appearance

6
The arrangement of shell and chassis is convenient for direct clamping

II (upgraded version) increase and decrease functions:
1
The recording and playback tape displays the time

2
optimization of playback LED light and flash display of single track repeat light

3
Remove the FM function because the chip space is not enough

Three key operation instructions:
1
PRE/V-
  Mp3 status: short press; Press and hold the previous song for 2 seconds; The volume is reduced

  Aux status: short press; Reduce the volume by one level and press and hold for 2 seconds; The volume is reduced

2
P/P/M
  Mp3 status: short press; Pause and press play again, long press for 2 seconds; Usb-tf-line switching

  Aux status: short press; Mute, short press again; Recovery

3
NEXT/V+
  Mp3 status: short press; Next song, long press for 2 seconds; Volume up

  Aux status: short press; Increase the volume by one level, press and hold for 2 seconds; Volume up

4
Rec (recording): always low, always recording; When released, stop recording and save the current
  The recording exits to MP3 status

 
5
RECPLAY: press down to play the recording; Keep repeating the current
  Play the recorded content, release this key to exit to MP3 state; If there is no USB flash disk and
  When the SD card is, it will exit into aux state

6
Repeat: short press: repeat a single song and then press short press; Cancel single repeat
(responsible only)
  Mp3u disk SD card content operation)

 
7
BB (alarm tone): short press; Enter the chip sound playback output, and repeat it if there is no other action
  In chip sound source
(depending on the space capacity) keep it low and play it repeatedly

 
Four dimensions:
 
  Length: 68mm
  Width: 23mm