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Some ores, magnets and metals have been buried underground for a long time. In order to find these objects conveniently, a magnetic treasure finder is made based on the palm treasure, and the magnetic field sensor of the palm treasure is used to detect magnets and metals. When a metal object is detected, it will give an alarm, and the RGB light will turn on the red light, and the OLED display screen will display the magnetic field value and pattern. When no metal object is detected, it will not give an alarm, and the RGB light will go out, and the OLED display screen will display the magnetic field value and pattern.
Some ores, magnets and metals have been buried underground for a long time. In order to find these objects conveniently, a magnetic treasure finder is made based on the palm treasure, and the magnetic field sensor of the palm treasure is used to detect magnets and metals. When a metal object is detected, it will give an alarm, and the RGB light will turn on the red light, and the OLED display screen will display the magnetic field value and pattern. When no metal object is detected, it will not give an alarm, and the RGB light will go out, and the OLED display screen will display the magnetic field value and pattern.
