Ethernet : UDP.endPacket()
Called after writing UDP data to the remote connection.
UDP.endPacket();
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#include <SPI.h> #include <Ethernet.h> #include <EthernetUdp.h> // Enter a MAC address and IP address for your controller below. // The IP address will be dependent on your local network: byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; IPAddress ip(192, 168, 1, 177); unsigned int localPort = 8888; // local port to listen on // An EthernetUDP instance to let us send and receive packets over UDP EthernetUDP Udp; void setup() { // start the Ethernet and UDP: Ethernet.begin(mac,ip); Udp.begin(localPort); } void loop() { Udp.beginPacket(Udp.remoteIP(), Udp.remotePort()); Udp.write("hello"); Udp.endPacket(); }