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Pre-installation preparation
Identify electronic parts and installation method.
Fuse.
Polarity-free
Resistor.
Polarity-free
Ceramic capacitor.
Polarity-free
Polarized capacitor.
Notice the polarity
Transistor.
Notice the polarity
Diode(Vertical).
Notice the polarity
Diode(Horizontal).
Notice the polarity
MOSFET.
Notice the polarity
IC.
Notice the direction of installation
Buzzer.
Notice the polarity
Battery socket.
Notice the orientation
Inductor.
Polarity-free
GPS/Temp socket.
Notice the orientation
Power socket.
Notice the orientation
RTC Module.
Notice the orientation
RGB LED.
Notice the polarity