test_new.py

from comms_wrapper_new2 import *
from time import sleep, time

def main():
    key = Key()

    ad = Arduino(descriptiveDeviceName="myArduino", portName="/dev/ttyACM0", baudrate=115200)
    ad.connect_and_handshake()

    input()
    timer = time()
    while 1: 
        t = str(round(time() - timer, 5))
        while 1: 
            if len(t) < 5:
                t += "0"
            elif len(t) > 5: 
                t = t[:-1]
            else: 
                break
        ad.send_message([t, "this works"])

        ad.receive_message()
        print(ad.receivedMessages)
        #ad.debug()
if __name__ == '__main__':
    main()