updated version:

• led drivers are replaced by tiny transistors
• lower voltage needed
• smaller size

what i need?

1 x Easy Assembly Kit board

1x Arduino Pro Mini 3.3V / AT 328

1x DFPlayer

1x 3w+3W pam8403 mini amplifier  

1x USB to TTL adapter 6pin  

3x Transistor NPN 2N2222  

1x RGB 3W led (no common anode

1x Led bar 10 segments (Blue-emerald 3v; yellow-red 2v)

Resistors

R1	1 kohm
	Resistors for switches
R5	10 kohm
R6	10 kohm
R7	10 khom
	Resistors for transistor
R8	330 ohm ½ w
R9	330 ohm ½ w
R10	330 ohm ½ w
	Resistors for Led bar
RB_1	39 ohm (blu led)
RB_2	18 ohm (emerald led)
RB_3	18 ohm (emerald led)
RB_4	33 ohm (yellow led)
RB_5	47 ohm (red led)
	Resistors for RGB 1W led
R2 (R)	4.7 ohm  1W
R3 (G)	2.2 ohm  ½ W
R4 (B)	2.2 ohm ½ W

1x 18650 3,7v or 3,6v lithium rechargeable battery

Arduino code: download updated version