seconds = millis()/1000; //获取单片机当前运行时间 Display(); //显示时间 Set_Clock(); //设置时间 Set_Alarm(); //设置闹钟 Point_Time_Alarm(); //正点蜂鸣 Clock_Alarm(); //闹钟时间蜂鸣 GetTemperatures(); //获取DS18B20温度 Temperatures_Alarm(); //超过指定温度报警 Time t(year, month, ...
{ YEAR = y; MONTH = mon; DAY = d; HOUR = h; MINUTE = m; SECOND = s; } void Display() //显示时间、日期、星期 { time(); Day(); Month(); Year(); Week(year,month,day); } void loop() { seconds = millis()/1000; Display(); }©...
lcd.print("Test"); //Prints "Test" across the LCD delay(2000); //Wait for 2 seconds lcd.clear(); //clear function clears the LCD screen } void loop() { timer = millis()/1000; //set timer variable to how long program has been running in seconds lcd.setCursor(0,0); //set LCD...
raw values are in degrees per seconds, deg/s, so we need to multiply by sendonds (s) to ...
// If the switch changed, due to noise or pressing: if (sensorValue == lastTiltState) { // reset the debouncing timer lastDebounceTime = millis(); } if ((millis() - lastDebounceTime) > debounceDelay) { // whatever the reading is at, it's been there for longer // than the debo...
Withmillis(), it will take about 49.7 days to overflow. How to compute that: (Max value for unsigned long) divided by (number of milliseconds in one second) divided by (number of seconds in one hour) divided by (number of hours in one day). ...
36 unsigned long previousMillis = 0; // will store last time LED was updated 37 const long interval = 500; // interval at which to blink (milliseconds) 38 39 // 与控制按钮相关的变量 40 const int MODE_BUTTON = 6; 41 int mode = 0; // 0: 关机; 1: 长亮; 2: blink ...
oled模块 Ardunio Uno GND---GND接地线 VCC---5V 接电源 SDA---A4 SCL --- A5 */ #include "ssd1306.h" uint32_t lastMillis; uint8_t hours = 10; uint8_t minutes = 02; uint8_t seconds = 0; void printSeconds() { if (seconds & 1) { ssd1306_printFixed(54, 2, ":", STYLE_...
if we lose connection it can keep flying away if we dont reset the function}// Check whether there is data to be receivedif(radio.available()) { radio.read(&data,sizeof(Data_Package));// Read the whole data and store it into the 'data' structurelastReceiveTime = millis();// At ...
Clear it here to make it ready for loop, where it's actually used. } // the loop function runs over and over again forever void loop() { if (halfPeriod) { ledToggle(); } } 3)无延迟闪烁: int ledState = LOW; unsigned long previousMillis = 0; const long interval = 1000; void ...