Update and rename pump_volume.py to pump_volume_flowrate.py

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tpollina 2019-12-10 15:08:08 -08:00 committed by GitHub
parent 19ce5a6f73
commit 580a3f0df2
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2 changed files with 43 additions and 21 deletions

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from adafruit_motor import stepper
from adafruit_motorkit import MotorKit
from time import sleep
kit = MotorKit()
pump = kit.stepper2
pump.release()
def pump_volume(vol):
nb_step=vol*507 #35000steps for 69g with sleep(0.05) in between 2 steps
for i in range(nb_step):
pump.onestep(direction=stepper.FORWARD, style=stepper.DOUBLE)
sleep(0.05)
pump.release()
pump_volume(5)

43
pump_volume_flowrate.py Normal file
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from adafruit_motor import stepper
from adafruit_motorkit import MotorKit
from time import sleep
from datetime import datetime
import time
kit = MotorKit()
pump = kit.stepper2
pump.release()
def pump_volume(vol, flowrate):
nb_step=vol*507 #if sleep(0.05) in between 2 steps
#35000steps for 69g
#nb_step=vol*460 if sleep(0) in between 2 steps
duration=(vol*60)/flowrate
delay=(duration/nb_step)-0.005
#flowrate is about 2.2ml/min
for i in range(nb_step):
pump.onestep(direction=stepper.FORWARD, style=stepper.DOUBLE)
sleep(delay)
print(delay)
sleep(1)
pump.release()
volume=1
flowrate=1 #20 is the max
start = time.time()
pump_volume(volume, flowrate)
end = time.time()
duration = end-start
print(duration)