Mainly on the wireless module: nrf401 and ptr200 information

用C51写的单片机程序，在Wave600环境下测试通过，利用平板电容器测试液位。-with C51 microcontroller written procedures, Wave600 environment in the test, Capacitor plate test level.

让数码管的亮度一致,原代码是运行在AT89S52上,12MHz-The brightness of the digital control line, the original code is run on AT89S52 on, 12MHz

美的的一个吸尘器程序 -The United States, a vacuum cleaner process

Ad9959源代码，包含各个引脚的功能图-AD9959，yudaima.baohajhjkj

该程序通过调试，可以实现cc2420收发功能-The program through the debugger, you can realize CC2420 transceiver functions

本模拟I2C软件包包含了I2C操作的底层子程序，使用前要定义好SCL和SDA。在标准8051模式(12 Clock)下,对主频要求是不高于12MHz-The simulation package includes I2C bottom I2C operation subroutine, before the definition of a good use of SCL and SDA. 8051 in standard mode (12 Clock), the requirements for the frequency is higher than 12MHz

8051 的一个键盘扫描的程序-8051 a keyboard scan procedure

ZLG500B读卡模块数据传输协议--底层函数和高级函数-ZLG500B reader module data transfer protocol-- the bottom and Senior Function Function

线性光耦合器的简单介绍。-linear optocoupler brief.

三线式单工通讯 毕业设计 电路图和程序都是正确得-Single 3-wire communication circuit and procedures, graduation design is correct too