单片机对DAC转换器的操作，很简便使用的。

keilc51中stc芯片补丁，用于stc系列芯片的开发-STC chip in keilc51 patch for the development of STC series chip

利用脉冲控制伺服电机运转，伺服电机频率通过改变定时器初值来控制-The use of pulsed operation of servo motor control, servo motors by changing the timer frequency to control the initial value

avr单片机的串口通讯程序，用c语言编写，值得参考-avr MCU serial communication procedures, using the c language, worthy of reference

it can help you find how to find the soal

LCD1602液晶驱动 单片机为AT98S52-Single-chip LCD driver LCD1602 for AT98S52

能够在单片机等小型处理器上使用的fat16文件系统，包括文件读写等基本处理函数。-Such as in the single-chip processor for use in small fat16 file system, including document processing and other basic functions to read and write.

转化为控制指令，然后每50ms通过串口向上位机发送一次命令，上位机收到数据后控制虚拟仿真机器人，最后，上位机收集虚拟机器人的姿态参数，再通过串-Translated into control commands, and then every 50ms upward through the serial-bit machine to send a command, the data received after the host computer to control the virtual simulation robot, finally, the collection of Virtual PC robot posture parameters, and then through the string

单片机汇编语言编写的IC卡读写程序--IC card read/write program for SCM. It is written in assembly language.

schematic diagram of dot matrix 8x8

实用的单片机实现软件滤波方法及示例程源代码 -Realize practical single-chip microcomputer software filtering method and sample code CHENG Yuan