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U2
U1
GPS_RX
VUSB
SIM_RST
STM_RST
SWCLK
GPS_TX
SIM_TX
SIM_RX
SIM_RST
SCL
GPS_RX
SWCLK
SIM_TX
STM_RST
SDA
SWDIO
SWDIO
SDA
SCL
GPS_TX
SIM_RX
VBAT
3V3
R7
Resistance
1KΩ
VBAT
VUSB
3V3
C3
Capacitance
4.7uF
R3
Resistance
22 Ω
L1
Inductance
22uH
J1
C2
Capacitance
10uF
R8
Resistance
10KΩ
3V3
3V3
J3
3V3
C1
Capacitance
10uF
3V3
3V3
C4
Capacitance
4.7uF
C5
Capacitance
1uF
VBAT
VUSB
R4
Resistance
5KΩ
R2
Resistance
1KΩ
R6
Resistance
2KΩ
R5
Resistance
5KΩ
VBAT
R1
Resistance
1KΩ
D1
U5
U3
LED2
LED1
J4
BT1
J2
U4
IC1
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