【正文】 穴占主導(dǎo)地位，另一端是 N 型半 導(dǎo)體，在這邊主要是電子。 圖 5 振蕩電路和復(fù)位電路圖 振蕩電路和復(fù)位電路是單片機(jī)不可缺少的部分，是單片機(jī)的重要組成，它們集成在單片機(jī)里，對(duì)于單片機(jī)穩(wěn)定工作有至關(guān)重要的作用。仿真圖如下所示： 圖 10 低水位仿真圖 水位檢測(cè)報(bào)警系統(tǒng) 11 5 通信單元硬件設(shè)計(jì) MAX485 僅有 8 個(gè)管腳，電路設(shè)計(jì)比較簡單。定義 RE和 DE 連接在一起的網(wǎng)絡(luò)標(biāo)號(hào)為 E，接入單片機(jī) P1 口 ， 用于發(fā)送與接收的轉(zhuǎn)換。 圖 11 MAX485 引腳圖 水位檢測(cè)報(bào)警系統(tǒng) 12 水位變化當(dāng)高水位發(fā)“ 1”時(shí)上位機(jī)接受到對(duì)應(yīng) ASCII 碼為 49，此時(shí)上 位機(jī)顯示“ 警戒！當(dāng)前水位 太低 ！ ”。剛接過項(xiàng)目，按照設(shè)計(jì)步驟走的時(shí)候，在很多都卡住了，原理的知識(shí)忘記了很多，以至于在設(shè)計(jì)開始時(shí)必須得先復(fù)習(xí)一下相關(guān)的基礎(chǔ)知識(shí)。 我決定認(rèn)真總結(jié)這次 項(xiàng)目 設(shè)計(jì)的經(jīng)驗(yàn)，以及學(xué)習(xí)到的知識(shí)，來更加的充實(shí)自己的頭腦和完善自己的知識(shí)結(jié)構(gòu)。 在這次的 項(xiàng)目 設(shè)計(jì)中，我真正的意識(shí)到，在以后的學(xué)習(xí)中，要理論聯(lián)系實(shí)際，把我們所學(xué)的理論知識(shí)用到實(shí)際當(dāng)中，學(xué)習(xí)單片機(jī)更是如此，程序只有在經(jīng)常寫水位檢測(cè)報(bào)警系統(tǒng) 14 與讀的過程中才能提高，這就是這次 項(xiàng)目 設(shè)計(jì)的最大收獲。 using 。 using 。 public Form1() { InitializeComponent()。 i 。 = 0。 } public delegate void showInfo(string str)。 = ()。 = 。 (串口打開成功！ )。 = false。 } } } private void RecieveData() { while (true) { int str。 switch (str) { case 48: info = 警戒！當(dāng)前水位為高水位！ 。 default: info = 接收數(shù)據(jù)失敗，無法知道當(dāng)前水位！ 。 (d, str)。 } try { ()。 = true。 水位檢測(cè)報(bào)警系統(tǒng) 19 } catch { (串口關(guān)閉失??！ )。 } catch { (串口關(guān)閉失敗！ )。t appealed against the disciplinary action your employer has taken against you. However, if you win your case, the tribunal may reduce any pensation awarded to you as a result of your failure to appeal. Remember that in most cases you must make an application to an employment tribunal within three months of the date when the event you are plaining about happened. If your application is received after this time limit, the tribunal will not usually accept i. If you are worried about how the time limits apply to you, take advice from one of the anisations listed under Further help. Employment tribunals are less formal than some other courts, but it is still a legal process and you will need to give evidence under an oath or affirmation. Most people find making a claim to an employment tribunal challenging. If you are thinking about making a claim to an employment tribunal, you should get help straight away from one of the anisations listed under Further help. If you are being represented by a solicitor at the tribunal, they may ask you to sign an agreement where you pay their fee out of your pensation if you win the case. This is known as a damagesbased agreement. In England and Wales, your solicitor can39。s 150th anniversary celebrations and will attend City39。s governing body, has also ordered an immediate investigation into the referee39?；蛟S是愧疚于自己似乎把轉(zhuǎn)瞬即逝的很多個(gè)不同的日子過成了同一天的樣子；或許是追溯過去，對(duì)自己那些近乎偏執(zhí)的怪異信念的醒悟，這些天以來，思緒一直很凌亂，在腦海中不斷糾纏。 Junior high school, thought to have a crush on just means that the real growth, but over the past three years later, his writing of alumni in peace, suddenly found that isn39。t remember his appearance. 童年時(shí)，覺得壓歲錢和新衣服是過年必備，但是隨著年齡的推進(jìn)，會(huì)越來越發(fā)現(xiàn)，那些東西根本就可有可無；初中時(shí)，以為要有一場(chǎng)暗戀才意味著真正的成長，但三年過去后，自己心平氣和的寫同學(xué)錄的時(shí)候，突然就發(fā)現(xiàn)是不是真正的成長了，好像并沒有那么重要了；然后到了高中，覺得非要吐露出自己的心聲才能為高中生涯里的懵懂情愫劃上一個(gè)句點(diǎn)，但畢業(yè)晚會(huì)的時(shí)候最終還是被梗塞在了咽喉，后來再次站在他曾經(jīng)揮汗如雨的球場(chǎng)，看著他投過籃球的球框時(shí)，突然間發(fā)現(xiàn)自己已經(jīng)想不起他 的容顏。想要的，不想要的，界限明確，好像沒有什么可以撼動(dòng)自己。 At the moment, the sky is dark, the air is fresh factor after just rained. Suddenly thought of blue plaid shirt。t start planning... Those years, those days of do, finally, like youth, will end in our life. 此刻，天空是陰暗的，空氣里有著剛下過雨之后的清新因子。s not needed. Instead, he plans to deploy his 270squarefoot (25squaremeter) main chute at an altitude of around 5,000 feet (1,524 meters). In order to deploy this chute successfully, he will have to slow to 172 mph (277 kph). He will have a reserve parachute that will open automatically if he loses consciousness at mach speeds. Even if everything goes as planned, it won39。 Baumgartner the disappointing news: Mission aborted. r plays an important role in this mission. Starting at the ground, conditions have to be very calm winds less than 2 mph, with no precipitation or humidity and limited cloud cover. The balloon, with capsule attached, will move through the lower level of the atmosphere (the troposphere) where our daytoday weather lives. It will climb higher than the tip of Mount Everest ( miles/ kilometers), drifting even higher than the cr