Schematic

1
1
2
2
3
3
4
4
D D
C C
B B
A A
VBUS
1
D-
2
D+
3
ID
4
GND
5
SHIELD1
6
SHIELD2
7
SHIELD3
8
SHIELD4
9
USB.J1
USB
C9
10uF
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
3V3
GND
GND
C10
104
S2
S3
S4
S5
S6
3V3
GND
GND
LED1/P3
P0
LED2/P4
KEY_A/P5
LED9/P6
LED8/P7
P1
P2
GND
P8
LED7/P9
LED3P10
KEY_B/P11
P12
SCK/P13
MISO/P14
MOSI/P15
P16
SCL/P19
SDA/P20
3V3
3V3
S1
SCL/P19
SDA/P20
VIN
1
GND
2
EN
3
BP
4
VOUT
5
U2
RT9193-33
C6
1uF
C8
22nF
GND
GND
5V
3V3
C4
104
5V
GND
S0
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
P2
Header 40X1
S7
S8
S9
S10
S11
S12
S13
S14
S15
1
3
5
7
2
4
6
8
Header 1
Header 4X2
1
2
3
4
P3
Header 4
1
3
5
7
2
4
6
8
Header 2
Header 4X2
1
2
3
4
P5
Header 4
1
3
5
7
2
4
6
8
Header 3
Header 4X2
1
2
3
4
P6
Header 4
1
3
5
7
2
4
6
8
Header 4
Header 4X2
1
2
3
4
P7
Header 4
5V
GND
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
aveshare
W
P0
P1
P2
P8
P12
P16
SCK/P13
MISO/P14
MOSI/P15
SCL/P19
SDA/P20
GND
3V3
1
2
P1
Header 2
VIN
C5
10uF
C7
150pF
GND
5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
P4
Header 14
BST
8
VIN
7
SW
1
GND
5
FB
4
COMP
3
EN
2
FREQ
6
U1
MP1584
R3
33K
R1
100K
R5
100K
GND
GND
C1
104
AVcc.Ind1
15uH
D1
SS34
GND
R2
210K
R4
40.2K
R6
100K
C2
10uF
5V
GND GND
C3
10uF
Servo Driver for micro:bit