WEB1 day ago · ser = serial.Serial(str(modem), 115200, timeout=0) ser.write('AT\r'.encode()) # This is for initializing, other commands can be given here. time.sleep(1) response = ser.read_all() This also allows me to run various AT commands - to read SMSs, send SMSs and dial USSD codes and get the responses. Now I've bought a …