Design a washing machine washing program controller to control the motor of the washing machine to operate as follows:
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Preset the washing time (minutes) with two digital tubes. The washing process starts running after the preset time is sent. During the washing, the washing process is displayed in the countdown mode. The LEDs indicate the positive and negative rotation of the motor. When the time is up, it will stop and give an audible signal.
Design tips
Wash preset time coding module
Subtraction count display
Sequential circuit
Decoding driver module
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