Block Diagram

1
1
2
2
3
3
4
4
D D
C C
B B
A A
MCU NTDP090
Audio Amp
Speaker
3
5
4
2
1
Phonejack Stereo SW
Bluetooth Module
SW1
SPI FLASH
EDM Loop
High Electronic Tone
Bass Drop
Dubstep Loop
2 1
Rotation clockwise
2 1
Anti-clockwise
U1
1.5AA*2
4.5V
Mode switch
Sound mode control
Module power
LED-White *9
LED power
LED
654831 Block diagram
TM1003-TW023
U4
U5
U3
N55P242
I/O extension
GPY0030C-HS011
N570H064A-0C86
PTC
0.75A
Crystal Osc.
24MHz

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