#include // Used for Ethernet #define PIN_LED 2 #define PIN_RELAY_0 A5 #define PIN_RELAY_1 A4 // **** ETHERNET SETTING **** // Ethernet MAC address - must be unique on your network byte mac =. If you had more devices working on the same network, you'd have to remember about unique IP and MAC addresses.
IP device is permanently assigned to 192.168.0.101. This software supports two relays, but it's not a problem to increase their number.