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U2
GPS_RX
VBAT
3V3
GPS_TX
R3
Resistance
22 Ω
SCL
R8
Resistance
10KΩ
3V3
3V3
3V3
3V3
STM_RST
R2
Resistance
1KΩ
SDA
SDA
SCL
R1
Resistance
1KΩ
L1
Inductance
22uH
D1
LED1
U3
BT1

Pet Tracker Device