现代计算机是微电子学与计算数学相结合的产物。微电子学的基本电路元件及其逐步向大规模发展的集成电路是现代计算机的硬件基础，而计算数学的数值计算方法与数据结构则是现代计算机的软件基础。 -Modern computer science and computational mathematics microelectronics product of the combination. Microelectronics basic circuit elements and their progres

电工学知识，有很多电路方面的介绍，基础但实用-Electrical engineering knowledge, a lot of circuit introduction, basic but practical

一手的步进电机资料大全，里面包括源码原理电路一应大全，希望给朋友们帮助-Handedly stepper motor Sourcebook, which includes a basic circuit source should Daquan, hope to help friends

基于matlab的用于仿真射频电路基本单元的源代码，(Basic matlab code for the simulation of RF circuit)