arduino uno怎么获取本机时间
时间: 2023-05-20 22:04:01 浏览: 1015
您可以使用RTC模块来获取Arduino Uno的本机时间。RTC模块可以通过I2C接口连接到Arduino Uno。您可以使用Wire库来与RTC模块通信。以下是获取本机时间的示例代码:
#include <Wire.h>
#include "RTClib.h"
RTC_DS1307 rtc;
void setup () {
Serial.begin(9600);
Wire.begin();
rtc.begin();
if (!rtc.isrunning()) {
Serial.println("RTC is NOT running!");
rtc.adjust(DateTime(F(__DATE__), F(__TIME__)));
}
}
void loop () {
DateTime now = rtc.now();
Serial.print(now.year(), DEC);
Serial.print('/');
Serial.print(now.month(), DEC);
Serial.print('/');
Serial.print(now.day(), DEC);
Serial.print(' ');
Serial.print(now.hour(), DEC);
Serial.print(':');
Serial.print(now.minute(), DEC);
Serial.print(':');
Serial.print(now.second(), DEC);
Serial.println();
delay(1000);
}