用单片机的I/O口象检测按键那样对其进行查询计数，在旋转速度较慢时，可以对其计数...

本代码基于凌阳SPCE061A芯片，实现单段录音功能，并可重复播放所录语音。-Based on this code SPCE061A Sunplus chip, to achieve single-stage sound recording function, and repeat playback recorded voice.

keil c51在编译的时候会将0xfd的字符(有些汉字含该字符的内码)过滤, 而导致程序出错.特别是在做液晶汉字显示时. 针对这个bug.由网友编写了这个补丁. 请下载之后放到你的keilc51in 目录里,运行这个程序.就可以了. 支持v8.02-keil c51 will be at compile time 0xfd characters (some characters with the character code) filter, which led to error. particularly in the so LCD display Chinese characters. To address this bug. prepared by the users of the patch. Please after download put your keil c51 bin directory, run the process. it. support v8.02

DS18B20驱动程序,已通过实物认证.-DS18B20 driver has passed certification in kind.

自制51编程器的资料是业余电子爱好者的工具，能让我们亲自制作一个51编程器。- The self-made 51 programming materials are the extra-curricular electronic amateur s tools, can let us personally manufacture 51 programming.

使用串口通信和汇编控制单个步进电机，串口部分可以使用串口调试助手-The use of serial communication and the compilation of a single stepper motor control, serial port can use the serial debug some assistants

ZLG USB 套件-ZLG USB set of

在51单片机上实现的完整功能的计算器源代码，用c写成.-Now 51, such as Article ? Lennon wife of mother

8位LED显示驱动芯片MAX7219的驱动程序-eight LED display driver chip MAX7219 driver

EDN板子做的1602显示时钟 温度，可参考-EDN board to do the 1602 show the clock temperature, may refer to

嵌入式控制器硬件电路设计。里面有介绍各种嵌入式控制器，及其电路设计和软件实现-Embedded controller hardware design. Which have introduced a variety of embedded controllers, and circuit design and software implementation