nrf905无线开发 调试原代码 和51通信

功能描述： 利用AT89S51单片机的T0、T1的定时计数器功能，来完成对输入的信号进行 频率计数，计数的频率结果通过8位动态数码管显示出来。要求能够对2－40KHZ 的信号频率进行准确计数，计数误差不超过2/1-Functional Description: Using AT89S51 MCU T0, T1 timing counter function, to complete the input signal frequency counting, counting the frequency of 8 resulted in the adoption of dynamic digital tube display. Request to the 2-40KHZ signal frequency accurately count, counting error of less than 2/1

AT24C256是ATMEL公司256kbit串行电可擦的可编程只读存储器，8引脚双排直插式封装，具有结构紧凑、存储容量大等特点，可以在2线总线上并接4片该IC，特别适用于具有高容量数据储存要求的数据采集系统。本文将介绍该IC的工作原理和与单片机的软硬件接口。-ATMEL Corporation AT24C256 is 256kbit serial electrical erasable programmable read-only memory, 8-pin double-line package, has a compact structure, characterized by large storage capacity can be 2-wire bus, and then 4 the IC, is especially suitable for high-capacity data storage requirements of the Data Acquisition System. This article will introduce the working principle of the IC and single-chip hardware and software interface.

这是教你怎么利用单片机进行音乐的播放程序，非常好用-This is to teach you how to use microcontroller to the music player is very easy to use

c8051f020单片机lcd驱动编程-C8051F020 Singlechip lcd-driven programming

51单片机的以太网 Ethernet 源程序和原理图-51 MCU Ethernet code and Schematics

用单片机的C语言编的键盘递增递减的C程序的源代码（按一下键，对应的键值增或减一），在很多领域用到此思想，如空调调温等，可供单片机开发工程师参考。-the MCU series of the C language keyboard incremental decrease in C program"s source code (by pushing a button, the corresponding increase or decrease of the pair a), used in many areas here thinking, such as air-conditioning thermostat, MCU development engineers for reference.

avr单片机与flash存储器通信程序,调试通过,希望对大家有所帮助.-avr Microcontroller and flash memory communication program, debug is passed, everyone would like to be helpful.

挪威公司的NRFXXX系列产品,本代码里详述了NRFXXX是怎么样与单片机通讯的,代码易懂!--NRFXXX series products. It explains in details how NRFXXX communicates with SCM. The code is easy to understand.

用C语言编写的交通灯上的程序，这里只取出了读取8563的一段程序。-Using C language programs on the traffic lights, only one out of the reading section of procedures for 8563.

智能门禁系统采用凌阳十六位单片机作为系统控制核心，利用其强大的语音识别功能，不仅实现了语音播放功能，完成了语音提示的要求，而且实现了语音控制门禁系统；利用其内置的Flash闪存，实现了密码的断电保护。除此而外，在键盘输入方面，强大的功能选择键满足了系统的要求；16*2液晶显示器的选择使操作要求清晰明了。此套智能门禁系统强烈体现了其人性化的一面-Intelligent access control system uses the Sunplus 16 single-chip system control as the core, to use its powerful voice recognition features, not only realize the voice playback, the voice prompts to complete the requirements, but also realize the voice control of access control systems the use of its Purchase of Flash memory, realize the power to protect your password. Furthermore, in keyboard input, the choice of powerful features to meet key requirements of the system 16* 2 LCD display options so that operating requirements clear. This set of intelligent access control system strongly reflects its human side