nRF905无线FSK芯片在51单片机上工作的代码

DS12CR887高精度万年历_C51程序-DS12CR887 high-precision calendar _C51 procedures

非常完美的日历，带PROTEUS仿真。 另附日历星期算法。-Very perfect calendar, with PROTEUS simulation. Algorithm separate calendar weeks.

红外线遥控解码器,该程序实现将红外遥控器发出的红外线解码，并通过LCD显示出来 -infrared remote control decoder, the program will infrared remote control and using the infrared decoding, and out through the LCD display

ATmega64+12864液晶，快速图形处理，实现俄罗斯方块。带运行效果图。-ATmega64+ 12864 LCD, fast graphics processing, the realization of the Russian box. Run with the effect of Fig.

在做项目（工程）的时候，我们经常要用到比较多的按键，而且IO 资源紧张， 于是我们就想方设法地在别的模块中节省IO 口，好不容易挤出一两个IO 口，却 发现仍然不够用，实在没办法了就添加一个IC 来扫键。一个IC 虽然价格不高， 但对于大批量生产而且产品利润低的厂家来说，这是一笔不菲的开支! 那，我们能不能想到比较好的扫键方法：用最少的IO 口，扫最多的键？可以吗？-Doing the project (engineering), we often use the relatively large number of keys, and the IO resource constraints, so we are trying to save in another module IO ports, finally out of one or two IO ports, only to find is still not enough there is really no other way to add an IC to sweep on the keys. Although the price of an IC is not high, but low profits, high-volume production and product manufacturers, this is spending a lot of money! That, we can not think of a better scan key method: with a minimum of IO ports, scan Most of the keys? OK?

51单片机控制18B20传感器，利用液晶显示也可以利用数码管显示-51 Singlechip 18B20 control sensors, the use of liquid crystal display can also use digital tube display

用C语言编写的，用于读取FM1608存储芯片上的数据，并显示的数码管上。-With the C language, the FM1608 is used to read data on memory chips and displays digital pipe.

单片机下载工具STC-isp-v3.93版本解压即用绿色软件-Download tools Singlechip STC-isp-v3.93 versions of decompression that is green software

在单片机向实际系统发出控制信号时,需用数模转换芯片将数字信号转成模拟信号.这个程序和原理图详细说明了DA转换器的应用和开发.-In SCM systems to the actual control signal, the required digital-to-analog converter chip digital signal into analog signal. This procedure and schematic diagram detailing the application of DA converters and development.

用于驱动24L01芯片的函数代码，老外写的，很漂亮！-24L01 chip used to drive the function code, written by a foreigner, very beautiful!