www.autumn-color.com
#include <WiFi.h>
#include <time.h>
#define EAT 3600* 3
const char* ssid = "your ssid";
const char* password = "your password";
void setup() {
Serial.begin(115200);
delay(100);
Serial.print("\n\nStart\n");
WiFi.begin(ssid, password);
while(WiFi.status() != WL_CONNECTED) {
Serial.print('.');
delay(500);
}
Serial.println();
Serial.printf("Connected, IP address: ");
Serial.println(WiFi.localIP());
configTime( EAT, 0, "ntp.nict.jp", "ntp.jst.mfeed.ad.jp");
}
void loop() {
time_t t;
struct tm *tm;
static const char *wd[7] = {"Sun","Mon","Tue","Wed","Thr","Fri","Sat"};
t = time(NULL);
tm = localtime(&t);
Serial.printf(" %04d/%02d/%02d(%s) %02d:%02d:%02d\n",
tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
wd[tm->tm_wday],
tm->tm_hour, tm->tm_min, tm->tm_sec);
delay(1000);
}