Simple to use, no settings, just click start for a countdown timer of 60 Seconds.Try the Fullscreen button in classrooms and meetings :-) Try our Timer Page!Other Timers: Seconds Countdown Timers: Second Timer
Unique Clock Hour Glass 60 Second Clock Hourglass Custom Sand Timer, Find Details and Price about Sand Timer Hourglass from Unique Clock Hour Glass 60 Second Clock Hourglass Custom Sand Timer - Yangzhou Special Care Daily Products Co., Ltd.
Download the Free download 60 second countdown timer stock video clip green screen 6299376 royalty-free Stock Video from Vecteezy and explore thousands of other stock footage clips!
则timer加1else if(timer=20)timer=0; /中断次数计数单元timer如果等于20,则1秒时间到if(second=0) /如果秒单元为0,则从59重新开始second=59;elsesecond=second-1; /如果秒单元不为0,则减1 P2=second/10; /取秒单元的十位数并送P2口,送译码器译码并显示 P3=second%10; /取秒单元的十位数并送P3口,...
{ let setTimer = setInterval( () => { this.setData({ second: this.data.second - 1 }) if (this.data.second <= 0) { this.setData({ second: 60, alreadySend: false, send: true }) resolve(setTimer) } } , 1000) }) promise.then((setTimer) => { clearInterval(setTimer) }) }, ...
Charles Frodsham: An unusual silver fast oscillating 60 second timer, in drum shaped case with back wind, the brushed silvered dial inscribed Char. Frodsham, 84, Strand London, with Arabic five second divisions calibrated in hundreths, sweep centre secon
include<reg52.h>sbit bz=P3^1;unsigned char a[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xd8,0x80,0x90};unsigned char n,time=60;main(){P1=a[0];P2=a[6];TMOD=0X01;TH0=(65536-10000)/256;TL0=(65536-10000)%256;EA=1;ET0=1;TR0=1;while(1);}timer0() ...
LCD_ShowString(30,162,200,2,16,"Second Clock:"); LCD_ShowNum(150,162,sec,2,16); } } #include"timer.h"#include"led.h"#include"sys.h"#include"usart.h"#include"lcd.h"#include"beep.h"#include"delay.h"///本程序只供学习使用,未经作者许可,不得用于其它任何用途//ALIENTEK战舰STM32开发板...
second=59; //秒单元second初始值为59 timer=0; //中断次数计数单元timer初始值为0 while(1); } void t1_func() interrupt 3 //定时器T1中断函数 { TH1=0x3c; //重新装入时间常数 TL1=0xb0; if(timer<20) { timer=timer+1; //中断次数计数单元如果小于20,则timer加1 } else if(timer==20) {...
实现这个功能原理非常简单,就是setInterval+setTimeout+clearInterval结合使用,首先在data里定义一个变量second,初始值为60,然后在setInterval里执行每秒减1的操作,setTimeout在60秒后执行clearInterval清除定时器的操作 <view v-if="showText==true" class="send" @click="getCode">发送验证码</ vue60...