Schematics
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D D
C C
B B
A A
*
R28
68K
R27
5K1
R25
100K
*
R32
15K
L1
4.7uH/3A
C30
1.5nF
C28
100uF
C31
100nF
C13
10uF
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
EPAD
9
U13
APW7313
C27
10uF
C16
10nF
12VCC
R1
Vout=0.925x(1+R1/R2)
R2
High EN
5V
GND GND
GND
GND
GND
GND
A0
1
A1
2
A2
3
A3
4
A4
5
LED0
6
LED1
7
LED2
8
LED10
17
LED8
15
LED9
16
LED11
18
LED12
19
LED13
20
LED14
21
LED15
22
LED3
9
LED4
10
LED5
11
LED6
12
LED7
13
Vss
14
OE
23
A5
24
EXTCLE
25
SCL
26
SDA
27
VDD
28
PCA1
PCA9685
GND 3V3
GND
GND
C34
104
SCL
SDA
aveshare
W
COP
1
VMP
2
DOP
3
VINI
4
CDT
5
CCT
6
VSS
7
NC
8
VDD
16
VC1
15
VC2
14
VC3
13
VC4
12
CTL
11
SEL
10
NC
9
U10
S-8254AA
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U3
AO4407A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U7
AO4407A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U4
AO4407A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U8
AO4407A
R12 1K
C5
104
R13 1K
R15 1K
R16 1K
C6
104
C7
104
C8
2.2uF
R10
5.1K
R8
1M
R7
5.1K
R18
1K
C10
104
C11
104
R17 1K
R19 51R
R23 0.1R 2512
EB+
BAT1
3V3
SDA
SCL
C14
10uF
C29
100uF
EB+
GND
GND
EB-
3V3
C15
104
GND
R5
100R
C4
104
C9
104
R21
100R
C12
104
R14
100R
NC
1
VSS
3
VDD
2
NC
4
OUT
6
NC
5
U9
HY2213-BB3A
NC
1
VSS
3
VDD
2
NC
4
OUT
6
NC
5
U11
HY2213-BB3A
NC
1
VSS
3
VDD
2
NC
4
OUT
6
NC
5
U12
HY2213-BB3A
Q2
SI2302
Q3
SI2302
Q4
SI2302
R2
62R
R11
62R
R20
62R
2
3
1
CN1
DC023
IN+
IN-
GND
Vs
A1
A0
SDA
SCL
INA1
INA219
GND
3V3
C3
104
GND
GND
SDA
SCL
3V3
0x41
R4
0.1R 1% 2512
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U6
AO4407A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U5
AO4407A
GND
3V3
12VCC
C35 104
GND
C37
104
C33 10uF
S8
GND
AO1
1
AO1
2
PGND1
3
PGND1
4
AO2
5
AO2
6
BO2
7
BO2
8
PGND2
9
PGNG2
10
BO1
11
BO1
12
VM2
13
VM3
14
PWMB
15
BIN2
16
BIN1
17
GND
18
STBY
19
Vcc
20
AIN1
21
AIN2
22
PMMA
23
VM1
24
TB1
AO1
AO2
BO2
BO1
S9
S10
S11
S12
S13
1
2
H2
Header 2
1
2
H3
Header 2
C36 100uF
S8
S9
S10
S11
S12
S13
SERVO 7V
System 5V
1
2
3
4
P2
Header 4
OE
1
A
2
GND
3
Y
4
VCC
5
U1
SN74LVC1G125
TXEN
TXD
GND
3V3
C1
104
GND
R1
10K
3V3
OE
1
A
2
GND
3
Y
4
VCC
5
U2
SN74LVC1G125
TXEN
GND
DATA
3V3
C2
104
GND
RXD
3V3
Q1
PNP
R3
10K
R9
20K
GND
TXD
TXEN
GND
NC
R24 10K
R22 10K
3V3
1
2
3
H1
Header 3
GND
DATA
3V3
7V
GND
SDA
SCL
R6
16V 3A 1812
1
3
5
7
9
2
4
6
8
10
P1
Header 5X2
5V
5V
GND
TXD
RXD
12VCC
2
2
1
1
3
3
S1
SS-12D06
1
Screw2
Header 1
1
Screw1
Header 2
1
Screw3
Header 3
1
Screw4
Header 4
C18
10uF
C19
10uF
GND
GND
R30 100K
VCC
L2 1.5uH
GND
C17
104
C20 2.2uF
VCC
GND
R33 100K
R29
150K
R34
20K
R26
100R
C26
10pF
GND
C21
22uF
C22
22uF
C23
22uF
GND
BS
1
IN
5
GND
7
PG
9
IN
2
IN
4
LX
6
GND
8
NC
10
IN
3
EN
11
BYP
15
VCC
17
LX
19
MODE
12
FB
14
NC
16
AGND
18
LX
20
ILMT
13
GND
21
J*1
SY8286
LX
LX
R31 100K
C24
22uF
12VCC
7V
C25 104
JETANK