K7
K6
K5
K4
K3
K2
K1
K0
1
R8
1M
R7
1M
R6
1M
R5
1M
R4
1M
R3
1M
R2
1M
R1
1M
C8
GND
3V3
3V3
10uF/25V
C7
GND
SDA/P20
SCL/P19
100nF
R10
10K
R11
10K
I2C
A
B
C
D
L1
DIN
VSS
VDD
DOUT
WS2812B
L2
DIN
VSS
VDD
DOUT
WS2812B
GND
P1
GND
1
GND
2
L3
DIN
VSS
VDD
DOUT
WS2812B
L4
DIN
VSS
VDD
DOUT
WS2812B
GND
3
4
2
3
4
C1
0-50pF
C2
0-50pF
C4
0-50pF
PIANO_E
PIANO_F
PIANO_F#
PIANO_G
PIANO_G#
PIANO_A
PIANO_A#
PIANO_B
GND
K3
K2
K1
K0
K15
K14
K13
K12
SDA/P20
SDO
SCL/P19
1
2
3
4
5
6
7
8
9
10
11
12
13
14
U1
SLPSENA
TP3
TP2
SENADJ0
TP1
TP0
TP15
TP14
SENADJ3
TP13
TP12
SDA
SDO
SCL
VSS
VDD
TP4
TP5
SENADJ1
TP6
TP7
TEST
TP8
TP9
SENADJ2
TP10
TP11
SLPSENB
TTP229L
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
3V3
PIANO_D#
PIANO_D
K4
K5
PIANO_C#
PIANO_C
K6
K7
TEST
K8
K9
K10
K11
PIANO_C1
Touch
3V3
C3
0-50pF
C5
0-50pF
C6
0-50pF
GND
D1
1N4148
2 B
1
u
z
z
e
rB1
P0
R13
180
Q1
NPN_SOT23
aveshareW
Micro:bit Piano Board
GND
Buzzer
RGB LED
3V3
LED1/P3
P0
LED2/P4
KEY_A/P5
LED9/P6
LED8/P7
P1
P8
LED7/P9
LED3P10
KEY_B/P11
P12
P2
SCK/P13
MISO/P14
MOSI/P15
P16
3V3/P17
3V3
3V3/P18
SCL/P19
SDA/P20
GND
GND
GND
H41
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
41 42
43 44
45 46
47 48
49 50
51 52
53 54
55 56
57 58
59 60
61 62
63 64
65 66
67 68
69 70
71 72
73 74
75 76
77 78
79 80
81 82
H41
LED1/P3
P0
LED2/P4
KEY_A/P5
LED9/P6
LED8/P7
P1
P8
LED7/P9
LED3P10
KEY_B/P11
P12
P2
SCK/P13
MISO/P14
MOSI/P15
P16
3V3/P17
3V3
3V3/P18
SCL/P19
SDA/P20
GND
GND
GND
3V3
GND
P0
P1
SCL/P19
SDA/P20
H1
1
2
3
4
5
6
H2
1
2
3
4
5
6
3V3
GND
P2
SCK/P13
MISO/P14
MOSI/P15
Header 6
Header 6
Micro:bit GPIO
A
B
C
D