In [20]:

    

import serial
import array
import time


    

In [16]:

    

ser = serial.Serial('/dev/ttyUSB1', 115200, )  # open serial port
print(ser.name)         # check which port was really used
ser.write(b'S10;50;\n')     # write a string
ser.flush()
#ser.close()             # close port


    

    




/dev/ttyUSB1

In [31]:

    

frame = 'S{0};{1};\n'

for i in range(0, 200, 5):
    cmd = frame.format(i, 50)
    ser.write(array.array('b', cmd))
    ser.flush()
    time.sleep(0.05)


    

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In [13]:

    

import cv2
import matplotlib.pyplot as plt


    

In [11]:

    

cap = cv2.VideoCapture(0)


    

In [12]:

    

rc, imt = cap.read()
print(rc)


    

    




True

In [16]:

    

cap.release()


    

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