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[SCM] 21 DL : 0: 十字路口交通灯的变化规律要求：（1）南北路口的绿灯、东西路口的红灯同时亮30秒左右。（2）南北路口的黄灯闪烁若干次，同时东西路口的红灯继续亮。（3）南北路口的红灯、东西路口的绿灯同时亮30秒左右。（4）南北路口的红灯继续亮、同时东西路口的黄灯亮闪烁若干次。（5）转(1)重复。通过连接的七段数码管动态显示绿灯剩余时间-Changes of traffic lights crossroads requirements: (1) North-South crossing the green light, red light intersection at the same time something light about 30 seconds. (2) North and South junctions yellow light flashes several times while crossing the red light continues to light things. (3) North-South crossing the red light, green light while crossing something light about 30 seconds. (4) North-South crossing red lights continue to shine, while the yellow light is flashing something a number of junctions. (5) change (1) repeat. By connecting the seven-segment digital tube remaining time dynamic display of green light
Date : 2025-12-21 Size : 1kb User :
[SCM] Traffic-Management-System DL : 0: 该设计利用单片机控制十字路口的红绿灯交替点亮和熄灭，并且用4只七段LED数码管显示十字路口两个方向的剩余时间。要求能用按键设置两个方向的通行时间和暂缓通行时间-The design of intersection traffic lights using SCM light on and off alternately, and with four seven-segment LED digital display the time remaining intersections in both directions. Can set two key requirements of the passage of time and the suspension of the direction of passage time
Date : 2025-12-21 Size : 62kb User : yrz
[SCM] Traffic DL : 0: 此十字路口交通灯控制系统，分东西道和南北道，设南北道为A道，东西道为B道。规定：首先，东西路口红灯亮，南北路口绿灯亮，同时开始25s倒计时，以7段数码管显示时间。25s倒计时结束后开始5s倒计时，南北路口的绿灯闪烁，计时到最后2s时，南北路口黄灯亮。完成1次这样的循环需要30s。30s结束后，南北路口红灯亮，东西路口绿灯亮，并重新30s倒计时，依次循环。若有紧急车辆要求通过时，此系统应能禁止普通车辆，而让紧急车辆通过。-This intersection traffic light control system, and North-South Road West and East Road, located north-south road for the A Road, East Road to B Road. Requirements: First, what intersection red light, green light intersection north and south, and 25s countdown began with a 7-segment display time. 5s 25s countdown after the end of the countdown, the green light flashes north-south junction, to the last time 2s, the north-south crossing yellow light. Completion of this cycle requires 1 30s. After the 30s, north-south crossing the red light, green light thing intersection, and re-30s countdown, followed by cycle. If required by emergency vehicles, this system should be able to prohibit ordinary vehicles, and to allow emergency vehicles.
Date : 2025-12-21 Size : 43kb User : shenjlong
[SCM] traffic DL : 0: 利用单片机，控制七段显示器，利用led模仿十字路口交通灯控制原理-Use of single-chip control segment display, led imitate crossroads traffic light control principle
Date : 2025-12-21 Size : 51kb User : wuhui
[SCM] traffit DL : 0: 数码管是一种半导体发光器件，其基本单元是发光二极管。数码管按段数可分为七段数码管和八段数码管，八段数码管比七段数码管多一个发光二极管单元，也就是多一个小数点（DP）这个小数点可以更精确的表示数码管想要显示的内容 8段LED在控制系统中应用最为广泛，其接口电路也具有普遍借鉴性。因此，本系统使用8段数码管。(The digital tube is a semiconductor light emitting device. Its basic unit is a light emitting diode. According to the number of digital tube can be divided into seven digital tube and eight digital tube, eight digital tube seven segment digital tube more than a light emitting diode unit is a decimal point (DP) of the decimal point can be a more accurate representation of the digital tube to display the content The 8 segment LED is the most widely used in the control system, and its interface circuit also has universal reference. Therefore, the system uses 8 sections of digital tube.)
Date : 2025-12-21 Size : 475kb User : niconi