Check which ports are open to the outside world. Helps make sure that your firewall rules are working as intended.
One of a set of tools we are providing to everyone as a way of saying thank you for being a part of the community.
Hi, I am trying to establish communication raspberry pi 3 with SIM 900. I am facing encode issues. I did try many solution from online but didn't get through. the code are as follows with compile results; Please do advice, thanks.
import serial import os, time # Enable Serial Communication port = serial.Serial("/dev/ttyS0", baudrate=38400, timeout=1) # Transmitting AT Commands to the Modem # '\r\n' indicates the Enter key port.write('AT'+'\r\n') rcv = port.read(10) print (rcv)