Delete pump_volume_flowrate.py
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from adafruit_motor import stepper
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from adafruit_motorkit import MotorKit
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from time import sleep
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kit = MotorKit()
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pump_stepper = kit.stepper2
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pump_stepper.release()
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def pump(vol, flowrate, dir):
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if dir == "foward":
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dir=stepper.FORWARD
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if dir == "backward":
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dir=stepper.BACKWARD
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nb_step=vol*507 #if sleep(0.05) in between 2 steps
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#35000steps for 69g
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#nb_step=vol*460 if sleep(0) in between 2 steps
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duration=(vol*60)/flowrate
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delay=(duration/nb_step)-0.005
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for i in range(nb_step):
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pump_stepper.onestep(direction=dir, style=stepper.DOUBLE)
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sleep(delay)
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sleep(1)
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pump_stepper.release()
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#volume, flowrate (from 0 to 20), direction (foward or backward)
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pump(1, 10, 'foward')
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