【正文】 stem has a wide range of use. This paper is to explore the core of the microcontroller as the core of the smart home automation. Smart home automation, is one of the most popular topics of science and technology. Intelligent robot steward is one of the products. The intelligent machine system takes SCM AT89S52 as the core control module, which is posed of GSM wireless munication module, sensor data acquisition module, LCD display module. Through the sensor module smoke sensor and temperature sensor acquisition related signals, through the A/D conversion module is converted into digital signal processing digital signal, the signal through the GSM SMS module, with GSM mobile work, the Chinese short message directly to the alarm location to your mobile phone screen. The system has a high security and privacy, and it does not need to set up the special work and maintenance work, the work coverage is wide, so it has its unique advantages pared with the traditional monitoring system. Keywords: robot housekeeper, AT89S52 microcontroller, GSM work, sensor 5 2 正文 系統(tǒng)硬件電路的設(shè)計(jì) 本設(shè)計(jì)利用煙霧傳感器、溫度傳感器先采集火災(zāi)情況，再將報(bào)警信息發(fā)送給單片機(jī)進(jìn)行處理，然后， LCD 液晶顯示具體報(bào)警信息，由此可以知道具體報(bào)警位置及其類型?？臻e模式下， CPU 暫停工作，而 RAM 定時(shí)計(jì)數(shù)器，串行口，外中斷系統(tǒng)可繼續(xù)工作，掉電模式凍結(jié)振蕩器而保存 RAM 的數(shù)據(jù)，單片機(jī)一切工作停止， 直到下一個(gè)中斷或硬件復(fù)位為止。 TC35是 SIEMENS 公司推出的新 代無(wú)線通信 GSM 模塊，該模塊支持 GSM 短信服務(wù)，具有功耗低、傳輸速度快、雙頻數(shù)據(jù)接口、集射頻電路和基帶于一體等特點(diǎn)并且大大縮小了用戶產(chǎn)品的體積。此外 ,該模塊還具有電話簿功能、多方通話以及漫游檢測(cè)功能 ,為用戶提供快速、可靠、安全的文本數(shù)據(jù)和語(yǔ)音數(shù)據(jù)的傳輸。 啟動(dòng)電路由開(kāi)漏極三極管和上電復(fù)位電路組成?！妗Ｆ渥饔檬鞘姑恳粋€(gè)出廠的 DS18820 地址序列號(hào)都各不相同，這樣，就可以實(shí)現(xiàn)一根總線上掛接多個(gè) DS18820 的目的。 DS18B20 中的高速暫存器是一個(gè) 9 字節(jié)的存儲(chǔ)器。封裝好的氣敏元 件有 6 只針狀管腳，其中 4 個(gè)用于信號(hào)取出， 2 個(gè)用于提供加熱電流。在一定范圍內(nèi)，如果沒(méi)有障礙物，發(fā)射出去的紅外線，因?yàn)閭鞑ゾ嚯x越遠(yuǎn)而逐漸減弱，最后消失。 /輸出信號(hào) :輸出 ,能產(chǎn)生 20 2 個(gè) LCD 驅(qū)動(dòng)波形 。本次論文的撰寫，對(duì)我而言是一次難得的鍛煉機(jī)會(huì)。感謝我的同學(xué)們，四年的相處將成為我美好的記憶。80s. We sat on the back of pickup trucks for hours. The sky was blue, and we couldn39。s Liaoning province, decades ago. The solider gave the old man a handmade saddle when they bid farewell. The story inspired Nasun to write Carved Saddle, a song that later became one of his most popular numbers. Now, every year, Nasun recruits young singers and dancers for the troupe. The troupe has also designed a new repertoire, which is mostly based on the daily lives of Mongolian people, especially the lives of nomadic families, and has bined contemporary musical elements with folk songs of the region. Haimu, a 25yearold khoomei (a local variant of overtone singing) singer, joined the troupe three years ago. Along with a sixmember band, he performs fast songs and soft ones that he writes－ all while playing the horsehead fiddle.Although I learned the piano since childhood and grew up listening to various kinds of music, to me, the folk music of Inner Mongolia is the root, he says. Performing in remote villages is pleasant. I feel at home on the boundless grasslands, and the warm people there make me feel fulfilled. The first round of spring auction season in Beijing ended last week, but it failed to create much spring in the art market. Although two pieces of Chinese painting fetched more than 100 million yuan, the decline in trading volume and sale rate showed a downturn this year. In the ―Grand View: Chinese Painting Highlight‖ session at China Guardian 2022 spring auctions, Pan Tianshou’s representative work Eagle, Rock and Flora hit a record auction price of 279 million yuan, while Li Keran’s masterwork Jinggang Mountain fetched million yuan, an unexpected high in recent years. However, the trading volume fells to billion yuan from billion yuan in the same period the year before. The Huangchen 2022 Spring Auctions, which recorded million yuan in total sales, experienced the same. The section number went down to 5 from 12 pared to last year. According to expert Shao Jianwu, the art market did not attract much excitement this year due to the booming stock market and the persistent problems of fery and fake deals. The two pieces of Chinese painting notched up high price this spring due to their own value not due to a revival in the market. The successful transaction of two works with a hammer price of more than 100 million yuan once again confirms that valuable and rare works of high quality always earn the longlasting high price. Chinese painting and calligraphy is still the pillar of the market. However, the overall sales rate has dropped slightly, which reflects the demand for the ordinary auction goods has weakened,‖ said the president of China Guardian’s Hu Yanyan. Besides, the entry of new buyers also makes certain changes to the direction of purchasing. In a word, the overall market trend is very unpredictable. Although China Guardian 20