【正文】 數(shù)之間相互牽扯。因此程序的實(shí)現(xiàn)過程應(yīng)該是閱讀參數(shù)→修改標(biāo)志位→發(fā)送指令→翻譯→控制發(fā)生器→驅(qū)動(dòng) LED燈變換 ，整個(gè)過程一氣呵成。該 LED 燈具調(diào)光電路有效地調(diào)節(jié)了 8 個(gè) LED 燈的明暗，并且在最明與最暗時(shí)均有蜂鳴器報(bào)警。 查閱資料和閱讀相關(guān)文獻(xiàn)的重要性，充分利用網(wǎng)絡(luò)這個(gè)大的資料庫。 對(duì)待任何事情都要有耐心和恒心，遇到問題要冷靜地思考，積極找出癥結(jié)所在，逐個(gè)解決。在此，對(duì)李老師致以深深的敬意和由衷的感謝。在這里請(qǐng)接受我誠(chéng)摯的謝意 ！ 參考文獻(xiàn) [1] 李學(xué)海，經(jīng)典 80C51 單片機(jī)輕松入門與上手，清華大學(xué)出版社， 2022 [2] 李學(xué)海， 80C51 時(shí)鐘振蕩器的原理分析和設(shè)計(jì)考慮，清華大學(xué)出版社， 2022 [3] 李學(xué)海，標(biāo)準(zhǔn) 80C51 單片機(jī)基礎(chǔ)教程，北京航空航天大學(xué)出版社， 2022 [4] 李 學(xué)海， 80C51 復(fù)位標(biāo)志位的設(shè)置與應(yīng)用研究，北京航空航天大學(xué)出版社， 2022 [5] 李學(xué)海， 80C51 上電復(fù)位和復(fù)位延時(shí)的時(shí)序分析，北京航空航天大學(xué)出版社， 2022 [6] 李學(xué)海， 80C51 欠壓檢測(cè)技術(shù)的應(yīng)用研究，北京航空航天大學(xué)出版社， 2022 石家莊郵電職業(yè)技術(shù)學(xué)院 畢業(yè)設(shè)計(jì)任務(wù)書 姓 名 學(xué) 號(hào) 專 業(yè) 班 級(jí) 畢業(yè)設(shè)計(jì)題目 基于 STC89C52 單片機(jī)的燈具調(diào)光器設(shè)計(jì) 指導(dǎo)教師姓名 職 稱 工作單位 畢業(yè)設(shè)計(jì)內(nèi)容、基本要求、重點(diǎn)研究問題、主要設(shè)計(jì)方法（ 或步驟）： 一、設(shè)計(jì)內(nèi)容：利用 STC89C52 單片機(jī)調(diào)節(jié)燈具亮度 二、基本要求：以介紹開發(fā)的板子展開，然后從硬件、軟件、調(diào)試等方面進(jìn)行說明和介紹，使別 人能認(rèn)識(shí)并了解這塊電路板的作用。t agree with the disciplinary action your employer has taken against you ? your employer dismisses you and you think that you have been dismissed unfairly. For more information about dismissal and unfair dismissal, see Dismissal. You can make a claim to an employment tribunal, even if you haven39。t charge you more than 35% of your pensation if you win the case. If you are thinking about signing up for a damagesbased agreement, you should make sure you39。s antiracism taskforce, is in London for the Football Association39。s Premier League match at Chelsea on Sunday. I am going to be at the match tomorrow and I have asked to meet Yaya Toure, he told BBC Sport. For me it39。s 21 win. Michel Platini, president of European football39。s actions. 3 CSKA said they were surprised and disappointed by Toure39。 May be back in the past, to oneself the paranoid weird belief disillusionment, these days, my mind has been very messy, in my mind constantly. Always feel oneself should go to do something, or write something. Twenty years of life trajectory deeply shallow, suddenly feel something, do it. 一字開頭的年齡已經(jīng)到了尾聲?？傆X得自己自己似乎應(yīng)該去做點(diǎn)什么，或者寫點(diǎn)什么。 The end of our life, and can meet many things really do? 而窮盡我們的一生，又能遇到多少事情是真正地非做不可？ During my childhood, think lucky money and new clothes are necessary for New Year, but as the advance of the age, will be more and more found that those things are optional。t really grow up, it seems is not so important。t want to give vent to out your inner voice can be in the high school children of the feelings in a period, but was eventually infarction when graduation party in the throat, later again stood on the pitch he has sweat profusely, looked at his thrown a basketball hoops, suddenly found himself has already can39。 Originally, this world, can produce a chemical reaction to an event, in addition to resolutely, have to do, and time. 原來，這個(gè)世界上，對(duì)某個(gè)事件能產(chǎn)生化學(xué)反應(yīng)的，除了非做不可的堅(jiān)決，還有，時(shí)間。s time, your ideas are always special to clear. Want, want, line is clear, as if nothing could shake his. Also once seemed to be determined to do something, but more often is he backed out at last. Dislike his cowardice, finally found that there are a lot of love, there are a lot of miss, like shadow really have been doomed. Those who do, just green years oneself give oneself an arm injection, or is a selfrighteous spiritual. 一個(gè)人的時(shí)候，自己的想法總是特別地清晰。也曾經(jīng)好像已經(jīng)下定了決心去做某件事，但更多的時(shí)候是最后又打起了退堂鼓。那些曾經(jīng)所謂的非做不可， 只是青蔥年華里自己給自己注射的一支強(qiáng)心劑，或者說，是自以為是的精神寄托罷了。 Those were broken into various shapes of stationery。 Have declared the end of the encounter that haven39。突然想到那件藍(lán)格子襯衫；那些被折成各種各樣形狀的信紙；那段從街角深巷伊始的友誼；還有那場(chǎng)還沒有開始就宣告了終結(jié)的邂逅計(jì)劃 …… 那些年那些天的非做不可，終于和青春一樣 ，都將在我們的人生中謝幕。ll be traveling fast, so despite the distance, it will not be like diving into the deep end of a pool. It will be like he is diving into the shallow end. Skydiver preps for the big jump When he jumps, he is expected to reach the speed of sound 690 mph (1,110 kph) in less than 40 seconds. Like hitting the top of the water, he will begin to slow as he approaches the more dense air closer to Earth. But this will not be enough to stop him pletely. If he goes too fast or spins out of control, he has a stabilization parachute that can be deployed to slow him down. His team hopes it39。t. Baumgartner still will free fall at a speed that would cause you and me to pass out, and no parachute is guaranteed to work higher than 25,000 feet (7,620 meters). cause there