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Thanks for the support. So, finally no data did get lost;) The problem was: Arduino is creating a blank-line, when sending data back. So 'ser.readline()[:-2].decode()' solved this issue. I run into another problem, when sending integers bigger than 9. In order to do so, one has to split the integer into separated chars and encode them. Here is my workaround: Python: import serial import time Port = '/dev/cu.usbserial-A601FZBL' ser = serial.Serial(Port,9600,timeout=1) time.sleep(1) counter = 0 def Test(counter): data = [b'n', b'0', b'c'] value = list(str(counter)) for char in value: data.append(char.encode()) ser.write(data) print('write:', '0', counter) get_1 = ser.readline()[:-2].decode() get_2 = ser.readline()[:-2].decode() print('get: ', get_1, get_2) print() while True: Test(counter) counter += 1 Arduino.

Dheera Malayalam Film Video Song Download. Your friends think building a robot butler is a sign of a midlife crisis, but you know the time is right to fulfill one of your childhood dreams. First, you need an Arduino Uno R3 to serve as the brains of your mechanical creation.