To help you in writing an LL grammar, we have developed a tool to analyze a grammar and determine if
To help you in writing an LL grammar, we have developed a tool to analyze a grammar and determine if it is LL(1). A j...
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To help you in writing an LL grammar, we have developed a tool to analyze a grammar and determine if it is LL(1). A j...
A AVR USB download tool. It can download your target file to full series avr chip with only one press.
本书所要介绍的就是Cadence 公司所出品的Allegro Layout 软件工具,书中每 个章节的出现顺序系按照实际的电路板设计流程而编排,而每一个章节又按照下 列的方式编排,以期让使用者可以较快地进入使用状况
用HT1621驱动LCD的方法 1说明 2程序 3LCD layout 4应用线路图
A ping test tool. Use to check ping speed and write a log over time. You can test your wlan connection with this.
有时候,做元件封装的时候,做得不是按中心设置为原点(不提倡这种做法),所以制成之后导出来的坐标图和直接提供给贴片厂的要求相差比较大。比如,以元件的某一个pin 脚作为元件的原点,明显就有问题,直接修改封装的话,PCB又的重新调整。所以想到一...