def Select_Sensor(MyCurrentDev):
global mydf
mydf = df
if (MyCurrentDev == "Dev00"):
mydf = df.loc[:, ["Date", "Time", "Température du toit #1 (Dev00) [°C]", "Humidité du toit #1 (Dev00) [%Hr]"]]
elif (MyCurrentDev== "Dev01"):
mydf = df.loc[:, ["Date", "Time", "Température du toit #2 (Dev01) [°C]", "Humidité du toit #2 (Dev01) [%Hr]"]]
elif (MyCurrentDev == "Dev02"):
mydf = df.loc[:, ["Date", "Time", "Température du toit #2 (Dev01) [°C]", "Humidité du toit #2 (Dev01) [%Hr]"]]
return mydf
drop=tk.OptionMenu(root,clicked,"Choose DevXX",LoRa_Devices[0],LoRa_Devices[1],LoRa_Devices[2],LoRa_Devices[3],LoRa_Devices[4],LoRa_Devices[5],
LoRa_Devices[6],LoRa_Devices[7],LoRa_Devices[8],LoRa_Devices[9],LoRa_Devices[10],LoRa_Devices[11],command= Select Sensor)