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

Pet Tracker Device