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

Pet Tracker Device