41 lines
941 B
Python
Executable file
41 lines
941 B
Python
Executable file
"""
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'mib_motor.py'.
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=================================================
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spins a DC motor using pulseio
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"""
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import time
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import board
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import pwmio
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motor_pin = board.D9
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motor = pwmio.PWMOut(motor_pin, frequency=1000)
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def motor_on_then_off_with_speed():
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"""turns the motor on, then off, using PWM."""
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on_speed = 0.80
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on_time = 2.5
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off_speed = 0.10
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off_time = 1.0
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motor.duty_cycle = int(on_speed * 65535)
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time.sleep(on_time)
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motor.duty_cycle = int(off_speed * 65535)
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time.sleep(off_time)
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def motor_acceleration():
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"""accelerates the motor forwards and backwards."""
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delay_time = 0.05
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for speed in range(0, 100, 1):
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motor.duty_cycle = int(speed / 100 * 65535)
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time.sleep(delay_time)
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for speed in range(100, 0, -1):
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motor.duty_cycle = int(speed / 100 * 65535)
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time.sleep(delay_time)
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while True:
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motor_on_then_off_with_speed()
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# motor_acceleration()
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