but why in the Udp.read line at the bottom is it referenced with a comma between the packetBuffer and UDP_... instead of brackets.
Because you need to Udp.read how many characters to expect / it can use in the buffer you provided.
but why in the Udp.read line at the bottom is it referenced with a comma between the packetBuffer and UDP_... instead of brackets.
Because you need to Udp.read how many characters to expect / it can use in the buffer you provided.