poc/pyserial/pyserial.py


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import serial
import time

# Open connection
ser = serial.Serial('/dev/ttyUSB0', 115200, timeout=1)
time.sleep(1)

# Send data
ser.write(b'Position 20\n')

# Read response
response = ser.readline()
print(response.decode('utf-8').strip())

# Close connection
ser.close()