Schematics
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
** PB3 PB7 should not be used **
VDD
VDD
VDD
VDD
VDDIO2
VDDA
VDDIO2
VDDA
NRST
SWDIO
SWCLK
UR3_TX
UR3_RX
NRST
SWDIO
SWCLK
NRX_TX
ONOFF
LED_S
UR3_RX
UR3_TX
ONOFF
TX3
TX4
LED_S
PA1
PA1
LES_S2
LES_S2
LED_C2
LED_C
ONOFF
LED_C
TX2
TX5
TX6
TX1
LED_C2
UP
DOWN
UP
DOWN
TX1
TX2
TX3
TX4
TX5
TX6
3V3
3V3
3V3
3V3
3V3
3V3
3V3
LED_VCC LED_VCC LED_VCC
LED_VCC2 LED_VCC2LED_VCC2LED_VCC2LED_VCC2LED_VCC2
LED_VCC2
LED_VCC
3V3
3V3
3V3
V_BATT_B
4V2
4V2
nCTRLA
nCTRLB
28.52KHZ
24072_EN_B
POWER_C
CHGSB_B
PGB_B
4V2_EN
NTX1_RX1
NTX2_RX2
NTX3_RX3
NTX4_RX4
NTX5_RX5
NTX6_RX6
NRX_TX
Title
Size
Document Number R e v
Date: Sheet o f
<Doc> <RevCode>
<Title>
B
1 3Sunday, July 24, 2022
Title
Size
Document Number R e v
Date: Sheet o f
<Doc> <RevCode>
<Title>
B
1 3Sunday, July 24, 2022
Title
Size
Document Number R e v
Date: Sheet o f
<Doc> <RevCode>
<Title>
B
1 3Sunday, July 24, 2022
R71
330R
S8
RS6647N
1 3
C7
100N
C15 100N
C51 100N
R5 2K
R6
10K
R69 330R
R75
3K
LED3
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
X2
FSX5M0800012F3050
V4
FDN340P
1
2 3
R73 330R
C9
14pF
C17 100N
LED4
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
V6
FDN340P
1
23
C52 100N
C10 100N
C11
14pF
C20 100N
J1
21B12564-08S10B-01G-6/3 /n.p
3V3
SWDIO
GND1
SWCLK
nRST
TX
RX
GND2
LED5
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
C14
100N
C18 100N
C16 100N
R12
22K
V9
CE2342
3
1
2
R64
47K
LED7
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
LED1
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
C13
100N
R14
22K
LED6
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
C2
100N
LED2
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
LED8
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
C53 100N
R76
100K / n.p
C5
100N
V2
FDN340P
1
2 3
R83
100K
R74
100K
LED9
WS2812B
VDD
1
DOUT
2
GND
3
DIN
4
V7
CE2342
3
1
2
D28
LL4148
R84
100K
R7
3K
R70
330R
X1
32.768KHz/CL=7pF
C1
10U
C12
10U
U1
STM32F103RCT6
VBAT
1
PC13-TAMPER-RTC
2
PC14-OSC32_IN
3
PC15-OSC32_OUT
4
PD0-OSC_IN
5
PD1-OSC_OUT
6
NRST
7
PC0
8
PC1
9
PC2
10
PC3
11
VSSA
12
VDDA
13
PA0-WKUP
14
PA1
15
PA2
16
PA3
17
VSS_4
18
VDD_4
19
PA4
20
PA5
21
PA6
22
PA7
23
PC4
24
PC5
25
PB0
26
PB1
27
PB2
28
PB10
29
PB11
30
VSS_1
31
VDD_1
32
PB12
33
PB13
34
PB14
35
PB15
36
PC6
37
PC7
38
PC8
39
PC9
40
PA8
41
PA9
42
PA10
43
PA11
44
PA12
45
PA13
46
VSS_2
47
VDD_2
48
PA14
49
PA15
50
PC10
51
PC11
52
PC12
53
PD2
54
PB3
55
PB4
56
PB5
57
PB6
58
PB7
59
BOOT0
60
PB8
61
PB9
62
VSS_3
63
VDD_3
64
R72
330R
R3
33K
R68 330R
S1
RS6647N
13
C8 100N
C4
9pF
C3
10U
V8
CE2342
3
1
2
C19 100N
R4
100K
R17
47K
C6
9pF
S6
RS6647N
13