Connected arduino with thingspeak (simple)
hello, name arief. indonesia. have project , having trouble uploading data thingspeak via w5100 ethernet. i not make ip static connect thingspeak. thingspeak managed display data. after 3 minutes, thingspeak not display data. procedure wrong? i have code : #include <spi.h> #include <ethernet.h> int pin = 0; // analog pin int tempc = 0,tempf=0; // temperature variables int samples[8]; // variables make better precision int maxi = -100,mini = 100; // start max/min temperature int i; // local network settings byte mac[] = { 0xd4, 0xa8, 0xe2, 0xfe, 0xa0, 0xa1 }; // must unique on local network byte ip[] = { 192,168,0,230 }; // must unique on local network byte gateway[] = { 192,168,0,1}; byte subnet[] = { 255, 255, 255, 0 }; // thingspeak settings char thingspeakaddress[] = "api.thingspeak.com"; string writeapikey = "c09ircihkmpf19hp...