这是我这两天在学校集训的第一个成果:简单的单片机应用.做个红绿灯,基本功能就是2组三盏LED,和马路上的一样.扩展功能是有个数码管,能倒计时,前一位以01的方式显示方向,后两位倒计时,并且有一个按钮,立刻切换方向.
电路图如下:
可以看到还是比较简单的,6个IO口控制6个灯,2个IO口输出串行信号和时钟信号到74HC164进行并行转换来驱动共阴数码管的段,3个IO口驱动共阴数码管的位,并通过9013三极管来反相,增强放大能力.
这是背面图,我用了很多贴片电阻来限流,此外芯片电源输入管脚的对地电容也是不能省略的.哈哈.
源程序就不拿来上了.需要的同学可以在下面发评论,然后我会发到邮箱来的...这个是防止什么站点偷窃我的成果...你懂的.
Thank you valuable information https://coopaccomazzi.it/pgs/il_risultato_inaspettato_della_visita_di_biden__la_polonia_costruir__la_prima_centrale_nucleare_del.html
viagra from canada pharmacy buying viagra buy chewable viagra
what would happen if a woman took viagra viagra packs india viagra generic name vigra tablet viagra.com/savings-offer viagra without a doctor prescription india
how to ask dr for viagra viagra original purpose viagra vs cialis side effects viagra purpose viagra and high blood pressure medicineviagra headache treatment viagra fast generic viagra prices at walmart penis on viagra male sexual enhancer
“I haven’t seen you in these parts,” the barkeep said, sidling during to where I sat. “Personage’s Bao.” He stated it exuberantly, as if low-down of his exploits were shared aside settlers about multitudinous a fire in Aeternum.
He waved to a wooden hogshead upset us, and I returned his gesticulate with a nod. He filled a field-glasses and slid it to me across the stained red wood of the bar in the vanguard continuing.
“As a betting chains, I’d be delighted to wager a honourable bit of enrich oneself you’re in Ebonscale Reach for the purpose more than the drink and sights,” he said, eyes glancing from the sword sheathed on my hip to the capitulate slung across my back.
https://www.google.lv/url?q=https://renewworld.ru/
“I haven’t seen you in these parts,” the barkeep said, sidling during to where I sat. “Designation’s Bao.” He stated it exuberantly, as if word of his exploits were shared by means of settlers about multifarious a verve in Aeternum.
He waved to a unimpassioned hogshead upset us, and I returned his gesture with a nod. He filled a telescope and slid it to me across the stained red wood of the bar first continuing.
“As a betting man, I’d be assenting to wager a honourable piece of coin you’re in Ebonscale Reach for more than the carouse and sights,” he said, eyes glancing from the sword sheathed on my hip to the salaam slung across my back.
https://images.google.ch/url?q=https://renewworld.ru/new-world-kak-popast-na-alfa-i-beta-testy/
What is your attitude towards rich people? Invest $ 595 and get passive income of $ 5300 per day >>>>>>>>>>>>>> http://www.forex.com.ministeriomfef.org/300000eur?232 <<<<<<<<<<<<<
Comments