In this circuit, L293D IC is used for bidirectional control of two DC motors. A 9V battery amplifies the current to power the motor. Turning on one of the four switches makes one of the two motors rotates either clockwise or anti-clockwise. So not only drive the motors, the switches also control their rotation. The left motor rotates based on the input across the input pins (2 and 7). Pin 10 and pin 15 are for the right motor. Pin 1 and pin 9 (master control pin) allow you to enable the IC output pins. Both are set to logic high. This is a very simple circuit. There is no decoupling capacitor.
jak zrobić uklad z jednym silnikiem i przełączanie kierunków na switchu?
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