PIC单片机从SPI，接收其他主SPI的数据

PCB设计基础教程关于pcb的介绍及其设计方法-PCB Design Tutorial on the pcb

很有用的单片机资料-useful information on the SCM

超声波程序分体式超声波发射接收对管 型号：TR40 频率：40K T是发射 R是接收 -Ultrasound procedures ultrasound split launched on the possession receiver models: TR40 frequency: 40K T is launching R is the receiver

51单片机的中断内容汇总归纳，尤其适合于初学者。-51 MCU as the interruption of the consolidation, especially for beginners.

基于DS12887的多功能电子智能时钟，51控制 LCM-12864-ST7920显示，应用类型齐全。-DS12887-based multi-functional electronic smart clock, 51 control LCM-12864-ST7920 showed complete application types.

在keil C51下的fm24c04a的c程序-in the process of c fm24c04a

PKE（被动无钥门禁系统，汽车车门控制）整个系统基站部分源代码。-PKE (passive-keyless-entry system, car door control) part of the whole system base station source code.

通过环路串口判断串行通信电平转换芯片功能是否正常，并通过读写DRAM 判断硬件。-Through the loop to determine serial communication serial port level translator chip features and whether it is normal, and through reading and writing DRAM hardware judge.

我改了一部分别人的USB,原来的不方便看逻辑，改了后逻辑清楚一些-I changed a part of other people s USB, not convenient to see the original logic, logic clearly changed after some

DSP芯片的使用,一个很有用的芯片介绍资料.-DSP chips use, a useful information on the chip.