Editor's Note: This article has been updated to clarify that Amazon and Inventec received AMD shares as part of AMD's acquisition of ZT Systems, not through a direct investment or strategic stake ...

用STC89C52，74hc138驱动列，74hc595驱动行，8x8点阵显示问题。 想显示箭头，.....。悬赏分：30 解决时间：2010-12-10 08:58 //===== 最佳答案： 题目给出的程序基本结构是正确的，稍有瑕疵，HC138的使能没有打开，关键是消隐做的不够好 ...

这个显示电路，实际上也就是LED点阵屏幕上，“显示一行”的驱动电路。如果配上16行的译码电路，就可以驱动16×32的点阵屏幕了。 用74HC595驱动数码管的程序如下。;用595并行输出带动4个数码显示器.;===== ORG 0000H SJMP START ...

近日，LG电子宣布将向位于韩国首尔江南区的MegaBox COEX电影院分店供应LED电影屏“LG Miraclass”。 目前，LG电子已在韩国国内的两间影厅内安装了LG Miraclass LED电影屏，并启动了“MEGA丨LED”特别影厅的运营项目。LG电子此前透露，计划在今年4月底前，将LED电影屏扩展 ...

MUMBAI, May 6 (Reuters) - The Indian rupee is set to weaken at the open on Tuesday, mirroring losses in the offshore Chinese yuan, triggered by soft economic data and the daily central bank fix ...

However, long after the NHL careers of rookies Jimmy Snuggerud and Zack Bolduc are over, fans will still remember the year the Blues led Game 7 against the Jets by two goals with less than two ...

Add articles to your saved list and come back to them any time. Labor began its tenure in government underestimating Peter Dutton. Victories in later byelections bred a dangerous complacency. By ...

The US Navy said on Monday that an F/A-18 Super Hornet was lost at sea after it fell overboard. Yemen's Houthi group has said it had shot down a US F-18 fighter jet during an earlier assault on ...

After undergoing successful surgery and treatment, Bolton is recovering and keeping up with regular scans. In a recent interview, he spoke about subtle signs that led to his brain cancer diagnosis. In ...

Following the Pahalgam terrorist attack, the Cabinet Committee on Security, led by PM Modi, convened to discuss India's response, granting the armed forces operational freedom. Earlier punitive ...

The automaker does not typically report monthly sales, but GM spokesman Jim Cain told the Detroit Free Press that GM's U.S. sales rose 20% to 267,051 vehicles delivered, also led by strong sales ...

Mohsen Mahdawi, a pro-Palestinian student activist at Columbia, was released from federal custody Wednesday after a federal judge ruled it was unlawful to keep him detained with no formal charges ...