LAN DS18B20 WEB Temperature Monitor 1 meter Cable
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UDP packet send from ESP8266 to KMtronic UDP LAN Relay board

      #include <ESP8266WiFi.h> #include <WiFiUdp.h> const char *ssid = “KMTRONIC”; const char *password = “12345678”; WiFiUDP Udp; unsigned int localUdpPort = 12345; // local port to listen on char incomingPacket[255]; // buffer for incoming packets char replyPacket[] = “Hi there! Got the message :-)”; // a reply string to send back void setup() . . .

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KMtronic LAN WEB 8 Channel Relay board