…
print ("~ Client WebLed ~")
print ("ouverture du port")
ser = serial.Serial("COM3")
ser.baudrate = 9600
#time.sleep(2) # <-- not here please
print ("port ouvert")
for device in ser:
try:
print ("Trying...",device)
arduino = serial.Serial(device, 9600)
time.sleep(2) # <--- here instead please
break
…
Best,
-br