a writing tool to use sensor

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PURPOSE : A writing tool using a sensor is provided to measure rare study time by using an apparatus such as a sensor.CONSTITUTION : A writing tool comprises a sensor unit, MCU(Micro Control Unit), a power supply unit, and a power unit. The control part receives signals from the sensor part. The control part decides the amount of the shaking. The control unit judges an amount of shakes. The control part transfers signals which are transferred to a red LED(Light Emitting diode) to a blue LED when the judged amount is within specific value.[Reference numerals] (AA) Device part; (BB) Writing partCOPYRIGHT KIPO 2013