![]() There is however, one thing that to add that is very helpful. Like I said before, this is the most bare-bones way to send a UDP packet over a network. This would mean that if you looked at the data portion of your packet in Wireshark, you would see something different than what you put inside the string for PACKETDATA. If you didn’t include that statement, the data would be sent as a string (in a different encoding) instead. This is necessary if you want to input the data to be transmitted as hex (which is usually the case in networking). The only things you would need to change are the IP address you are trying to send the data to IPADDR, the port number you are trying to send the data to PORTNUM, and the data you want to put inside the data of the UPD packet, PACKETDATA. # connect the socket, think of it as connecting the cable to the address location S = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, 0) # initialize a socket, think of it as a cable ![]() # enter the data content of the UDP packet as hex So, without beating around the bush, here is how to send a UDP packet. In this tutorial I am going to give the most bare-bones and simplest possible way to send a packet of data over a network using UDP. Sending either a TCP or UDP packet onto a network is a very easy thing to do using Python, but takes a little bit of knowledge about networking for it to make sense. Moreover, the microcontroller could only communicate over an Ethernet network using TCP/IP and UDP. Recently, I ran across a problem where I wanted to automate the testing of a microcontroller for which I was unable to modify the locked down embedded software.
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