Schematics

5
5
4
4
3
3
2
2
1
D D
C C
B B
A A
MCU:BK3432
RGBCW
GND GND
GND
GND GND
GND
GND
GNDGND
GNDGND
+3.3V12V
GND
GND
GND
GND
+3.3V
GND
GND
GND
GND
GND
GND
GND
+3.3V +3.3V
GND
GND
GND
GND
T6
C18 104P
C0402
P4T1
S
G
D
N
Q3
AO3400
SOT23
1
3
2
R17 4K7
R0402
T4
S
G
D
N
Q2
AO3400
SOT23
1
3
2
S1
MODE
KEY5X5X1.5MM
1
2 4
3
RESET1 T1
UART1_TX1T1
C21 105P
C0402
C15
104
C0402
C4 475P
C0402
C17
104P
C0402
C12 106P
C0603
P1
T1
T1
P2
T1
U4
IR
IR
IN
1
GND
2
VCC
3
C3 475P
C0402
470R
R0402R14
150K
R0402
R6
P3T1
1K
R0402
R10
470R
R0402R12
1K
R0603
R5
470R
R0402R16
C8 8.2PF
C0402
T3
270K
R0402
R8
4K7
R0402
R11
U1
BK3432
P05
1
P04
2
P03
3
P02
4
P01
5
P00
6
VCCRF
7
ANT
8
VCCXTAL
9
XTALO
10
XTALI
11
P31
12
P32
13
P35
14
P14
15
RESET
16
XTAL32K
17
VDD12
18
P17
19
P16
20
P34
21
VCCMCU
22
VCCBAT
23
SW
24
VSSBAT
25
P33
26
P13
27
P12
28
P11
29
P10
30
P07
31
P06
32
PAD
33
ANT1
BT_ANT
1
2
UART2_TX1 T1
C2
12PF
C0402
C1
12PF
C0402
4K7
R0402
R13
C7
106P
C0603
C22
NC
C0402
Y1
16MHz
3 1
4 2
-
+
MIC1
MIC4013
MIC4013
C14
106P
C0603
4K7
R0402
R7
4K7
R0402
R15
UART1_RX1T1
C6
NC
C0402
P5T1
C9
106P
C0805
U2
HT7533
SOT89
IN
2
VOUT
3
GND
1
S
G
D
N
Q1
AO3400
SOT23
1
3
2
C13 104P
C0402
U3
ME321
SOT23-5
IN+
1
GND
2
OUT
4
IN-
3
VCC
5
P6T1
C5 475P
C0402
T2
UART2_RX1 T1
C16
104
C0402
T8
100K
R0402
R9
C11 105P
C0402
P33_KEY P06 P07 P10_G P11_R P12_B
P05 VCC
P04 +3.3V
P03 VCC
P02
UART1_RX UART2_TX
UART1_TX UART2_RX
VCC VDD
VCC
XTAL_OUT XTAL_IN MIC_OUT P32_IR
RESET
ANT1
MIC
MIC_OUT
P12_B
B
P10_G
G
P11_R
R
P32_IR
P33_KEY