To use the Time library in an Arduino sketch, include TimeLib.h. #include<TimeLib.h> The functions available in the library include hour();// the hour now (0-23)minute();// the minute now (0-59)second();// the second now (0-59)day();// the day now (1-31)weekday();//...
Arduino TimeLib.h 参考:https://github.com/PaulStoffregen/Time
Note that thetime_tdata type is defined by the Arduino Time library <TimeLib.h>. See the Time library documentationhereandherefor additional details. time_t toLocal(time_t utc); Description Converts the given UTC time to local time, standard or daylight as appropriate. ...
直接上代码,这里要注意的一点是username和password是在连接到云端mqtt broker的时候需要填入的,可以通过这个在线工具生成。 #include"EspMQTTClient.h"#include<ArduinoJson.h>#include<TimeLib.h>#definetempPin 34// https://esp32io.com/tutorials/esp32-lm35-temperature-sensor#defineADC_VREF_mV 3300.0// in ...
/* 【Arduino】168种传感器模块系列实验(资料代码+仿真编程+图形编程) 实验八十四: DS1307时钟模块 Tiny RTC I2C模块 24C32存储器(带电池) 项目:串口显示时间 */ #include <Wire.h> #include <RTClib.h> DS1307 RTC; void setup () { Serial.begin(57600); Wire.begin(); RTC.begin(); RTC.adjust(Da...
返回值：int t 类型 ，为 0 0 、- -1 1 或 或 2 2 0 对应宏 DHTLIB_OK，收到数据，且校验正确；-1 对应宏 DHTLIB_ERROR_CHECKSUM，表示接收到数据但校验错误；2 .对应宏 DHTLIB_ERROR_TIMEOUT，表示通信超时成员 变量 ：dht11.humid di i ty – 存储检测到的湿度值 dht11.temperature – 存储...
Last_KeyTime = gokit_time_s(); return KEY1_LONG_PRESS; } } //until open the key if ((gokit_time_s() - Last_KeyTime) > KEY_LONG_TIMER) { return KEY1_SHORT_PRESS; } return 0; } return 0; } return 0; } char gokit_key2down(void) ...
方法/步骤 1 打开Arduino软件写入第二步代码 2 #include <LiquidCrystal.h> //LCD1602的库#include <Wire.h> //DS1307需要的库#include <RTClib.h> //DS1307需要的库RTC_DS1307 DS1307; //给DS1307的库设置对象，对象名DS1307LiquidCrystal lcd1602(12, 11, 5, 4, 3, 2);//设置Arduino与LCD液晶屏的...
{ caseDHTLIB_OK: Serial.print("OK,\t"); break; caseDHTLIB_ERROR_CHECKSUM: Serial.print("Checksum error,\t"); break; caseDHTLIB_ERROR_TIMEOUT: Serial.print("Time out error,\t"); break; default: Serial.print("Unknown error,\t"); break; } //串口显示温湿度值 Serial.print(DHT....
(500);//added delay to give wireless ps2 module some time to startup, before configuring iterror=ps2x.config_gamepad(PS2_CLK,PS2_CMD,PS2_SEL,PS2_DAT,pressures,rumble);if(error==0){Serial.print("Found Controller, configured successful ");Serial.print("pressures = ");if(pressures)Serial....