Schematics

1
1
2
2
3
3
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4
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5
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7
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8
D D
C C
B B
A A
Title
Number RevisionSize
A2
Date: 2021/3/10 Sheet of
File: H:\SVN\..\PIPPY.SchDoc Drawn By:
*
R3
68K
R2
5K1
R1
100K
*
R4
15K
L1
4.7uH/3A
C9
1.5nF
C7
10uF
C10
100nF
C2
10uF
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
EPAD
9
U1
APW7313
C6
10uF
C5
10nF
8.4V
R1
Vout=0.925x(1+R1/R2)
R2
High EN
System 5V
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
C44
104
P_SCL
P_SDA
aveshare
W
GND
3V3
R28
560K
R32 4.7K
R27
4.7K
R26
4.7K
D1
IN4148
3V3
GND
3V3 P_SCL P_SDA
GND
3V3
GNDGNDGND
C35
1uF
C36
1uF
C41
104
C40
4.7uF
C38
4.7uF
C37
2.2uF
C39
104
C43
4.7uF
C2P
1
C2N
2
C1P
3
C1N
4
VBAT
5
VBREF
6
VSS
7
VDD
8
RES
9
SCL
10
SDA
11
IREF
12
VCOMH
13
VCC
14
Active Area 0.91''
128*32 Pixels
U11
M96-16-SSD1306
C3
10uF
C8
100uF
EB+
GND
S8
S9
3V3
C4
104
GND
*
R19
68K
R18
5K1
R16
100K
*
R20
15K
L2
4.7uH/3A
C24
1.5nF
C22
10uF
C25
100nF
C17
10uF
EN
7
FB
5
VCC
2
OUT
3
BST
1
GND
4
SS
8
COMP
6
EPAD
9
U9
APW7313
C21
10uF
C20
10nF
8.4V
R1
Vout=0.925x(1+R1/R2)
R2
High EN
SERVO 6V
6V
GND GND
GND
GND
GND
GND
C18
10uF
C23
100uF
C19
104
GND
S0
S1
S2
S3
S4
S5
S6
S7
RESV
1
VDDIO
8
VDD
13
nCS
22
SCL/SCLK
23
NC
2
NC
3
NC
4
NC
5
NC
6
NC
14
NC
15
AUX_CL
7
SDA/SDI
24
AD0/SDO
9
INT
12
FSYNC
11
AUX_DA
21
REGOUT
10
RESV
19
RESV
20
GND
18
17
16
NC
17
U12
ICM20948
1V8
C34
104
GND
GND
VCCA
1
A1
2
A2
3
A3
4
A4
5
NC
6
GND
7
OE
8
NC
9
B4
10
B3
11
B2
12
B1
13
VCCB
14
U13
LSF0204PWR
3V3 1V8
1V8
I2C_SDA
I2C_SCL
ICM_FSYNC
ICM_INT
GND
C33
104
ICM_FSYNC
C42
104
C32
104
GND
C31
104
GND
R29
10K
P6
P_SDA
P_SCL
P5
VIN
1
GND
2
EN
3
BP
4
VOUT
5
U10
RT9193-1.8PB
C27
1uf
C28
1uf
C29
104
C30
22nf
1V8
GND
GND
C26
10uF
ICM_INT
ICM_AD0
I2C_SDA
I2C_SCL
R21
10K
1V8
R22
4.7K
R25 4.7K
1V8
1
3
5
2
4
6
Header1
Header 3X2
1
3
5
2
4
6
Header4
Header 3X2
1
3
5
2
4
6
Header2
Header 3X2
1
3
5
2
4
6
Header5
Header 3X2
S1
6V
GND
S0
6V
GND
S2
6V
GND
S3
6V
GND
S4
6V
GND
S5
6V
GND
S6
6V
GND
S7
6V
GND
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19 20
21 22
23 24
25 26
27 28
29 30
31 32
33 34
35 36
37 38
39 40
P1
RPI GPIO
P_RX
P_TX
GND
GND
GND
GND
GND
GND
GND
GND
5V
5V
P18
P12
P19
P13
GND
P26
P6
P5
ID_SD
P_SCK
P_MISO
P_MOSI
3V3
P22
P27
P17
P4
P_SCL
P_SDA
3V3
P23
P24
P25
P_CE0
P_CE1
ID_SC
P16
P20
P21
BCMBCM
2
3
4
17
27
22
10
9
11
5
6
13
19
26
21
20
16
12
7
8
25
23
24
14
15
18
1
2
3
4
P2
Header 4
3V3
GND
P12
P13
5V
R30
10k
R31
10K
2
2
1
1
3
3
S1
SS-12D06
VDD
5
VSS
6
VC
4
OD
1
CS
3
OC
2
U5
HY2120-OB
R10
330R
R15
330R
C11
104
PGND
C13
104
R12
2K
PGND
R11
100R
C12
104
C14
104
R17
100R
NC
1
VSS
3
VDD
2
NC
4
OUT
6
NC
5
U3
HY2213-BB3A
NC
1
VSS
3
VDD
2
NC
4
OUT
6
NC
5
U7
HY2213-BB3A
Q1
SI2302
Q2
SI2302
R8
36R
R14
36R
R13
100K
IN+
IN-
GND
Vs
A1
A0
SDA
SCL
INA1
INA219
GND
3V3
C1
104
GND
GND
P_SDA
P_SCL
0x42
R7
0.1R 1% 2512
R9
16V 3A 1812
GND
V1
2
3
1
CN1
DC023
EB+
*1
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U2
AO4406A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U4
AO4406A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U8
AO4406A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U15
AO4406A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U6
AO4406A
S
1
S
2
S
3
G
4
D
5
D
6
D
7
D
8
U14
AO4406A
V2