Elektronisches Würfel-Kit zum Selbermachen für Spaß 4,5 V bis 5 V kreatives Elektronik-Projekt-Set
4,92 €
Circuit: The circuit is mainly composed of a pulse generator and a decimal counter circuit. The pulse generator and external components are made up of NE555 multivibrator. Different combinations of resistors and transistors can drive 7 LEDs to indicate the number of points.
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