4*4键盘扫描 参数以定义 直接使用

FS7805单片机DATASHEET台湾人的东西 DATASHEET外面很少

ARM程序，基于无线模块nrf905，可实现无线发送与接收，在LPC2103上测试通过-ARM program, based on the wireless module nrf905, can realize the wireless sending and receiving, in the LPC2103 on test

多年工作有关PCB绘图的总结，适合初学者学习-Years of work-related summary graphics PCB, suitable for beginners to learn

该代码是在8051系列单片机是实现Tcp/IP协议的代码，通过tcp/ip可以接入互联网。-The code in 8051 MCU is TCP/IP protocol code, by tcp/ip can access the Internet.

完整功放的控制程序，里面包括VFD，控制面板，音量控制，音效控制，红外遥控等功能-complete PA control procedures, including inside VFD, control panels, volume control, audio control, infrared remote control functions

DS1302的驱动程序。主程序用C语言编写，驱动用汇编编写。用KEIL C编译通过。-DS1302 drivers. Main program with C language, drivers used to prepare the compilation. Using KEIL C compiler through.

ok very good os

基于8051F020,目的：用LM92器件实现数字化高精度温度测量-Based on 8051F020, Objective: LM92 devices with digital high-precision temperature measurement

arm开发板nfs启动脚本，通过nfs启动单板，使用主机文件系统资源-arm development board nfs startup script, through nfs start veneer, use the host file system resources

pc与51单片机的快速串行通信程序。开发环境KeilC-pc with 51 single-chip fast serial communication program. Development environment KeilC