1 2 3 4 5 6

J4

1
2
3
4
5
CON5 U5
+5 LP2985-3.3
1 5
IN OUT
J1 VBUS U1 +5 +3.3
D 1 4 3 R3 3 4 D
VBUS Vin BAT ON/OFF CBYP
2 D- C1 1 6 20K
D- C2 CHRG PROG BT1 GND
3 D+ 5 2 C19
D+ 104 STDBY GND R4 C21 C4 C22
4 10uF R37 VBAT C20
GND 104 104 104
5 R1 R2 TP4057 2K 20K 10uF

2
SHIELD 10uF
6 2K 2K BATTER C3 +3.3
SHIELD 104
USB 红 绿
R8

3
R_SET1 20K
D1 D2 2

1
C23
RED GREEN 104

+3.3

R9

3
R_SET2 20K
2
U2 +3.3 J2 +3.3

1
IRQ 8 7 MISO C24
IRQ MISO 1 104
MOSI 6 5 SCK RXD C7 C16 C25 C26
MOSI SCK 2 C27 C28 C29 C30 C31 C32
CSN 4 3 CE TXD 10uF 10uF 104 104
C CSN CE 3 104 104 104 104 104 104 C
+3.3 2 1 GND
VCC GND 4
NRF24L01 CON4 +3.3

R13

3
V+RF 20K
2

1
C6
104

U3
V+RF 10 18 K1
PA0-WKUP PB0
R_SET2 11 19 SW-KEY
PA1 PB1
R_SET1 12 20 DATA4
PA2 PB2/BOOT1
VBAT 13 39 DATA1 J7

1
PA3 PB3/JTDO
ADC0 14 40 DATA2 +3.3 CON6
PA4 PB4/JNTRST
ADC1 15 41 DATA3
PA5 PB5 3 1

2
ADC2 16 42 SCL ADC0 JP1
PA6 PB6 2
+3.3 ADC3 17 43 SDA GND +3.3
PA7 PB7 3 1 2
DATA0 DATA1
4 3 4
J3 29 45 DATA5 ADC1 DATA2 DATA3
PA8 PB8 5 5 6
B R10 TXD 30 46 DATA6 SCL SDA B
4 PA9 PB9 6 7 8
2K RXD 31 21 Bzz DATA5 DATA6
3 PA10 PB10 D3 C10 C11 9 10
D- 32 22 GREEN
2 PA11 PB11 104 104
D+ 33 25 D4 RED HEADER 5X2
1 PA12 PB12
SWD_DATA 34 26 SCK
PA13/JTMS/SWDIO PB13
CON4 SWD_CLK 37 27 MISO R11 R5
PA14/JTCK/SWCLK PB14
+3.3 DATA0 38 28 MOSI 2K 2K J8
PA15/JTDI PB15
CON6 +5
8M 5 2 CSN
OSC_IN/PD0 PC13-TAMPER-RTC U4
R6 Y1 6 3 CE +3.3
OSC_OUT/PD1 PC14-OSC32_IN
20K +3.3 4 IRQ +3.3
R14 PC15-OSC32_OUT 1
ADC3
C8 C9 NC 2
C5 44
20P R7 BOOT0 3

3
20P
4
20K RST 7 ADC2 BELL
NRST 5
104 Q2

C
6
R15 1 Bzz R12 1 5551
VBAT C12 C13 B
NC 2K

E
24 23 104 104
R16 VDD_1 VSS_1 R20
DATA6 36 35
VDD_2 VSS_2
10R 48 47 20K

2
VDD_3 VSS_3
K2
2

SW-KEY 9 8
VDDA VSSA
1

A +3.3 STM32F103CBT6 A

Title

Size Number Revision

B
Date: Sheet of
File: Drawn By:
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