基于单片机的波形发生器，可产生方波，三角波及正弦波，频率可调。...

这是一个基于 8051 的图形化GUI栈，好好用 占用资源很少-This is a 8051-based graphical GUI stack, good with small footprint

基于Keil C平台的源程序，是针对AT89ls52的4×4键盘扫描程序，采用查询方式进行-Keil C based on the source platform is AT89ls52 for the 4 × 4 keyboard scanning procedures, the use of inquiries conducted

测试频率 基于C8051F330单片机的频率测试 频率测试精度：0.1Hz-testing frequency C8051F330 microcontroller based on the frequency of testing frequency accuracy : 0.1Hz

MAX485应用很广泛,可应用远程传输,信号衰减少.-MAX485 applications is very wide, and can be applied to long-distance transmission, the signal failure reduced.

自行车里程表，采用c语言编制，51单片机系统，能测量显示自行车的里程。-Bicycle odometer, using c language, 51 single-chip system capable of measuring the mileage of a bike show.

内容： *红外测试程序，用单片机通过发射管发射38K的调制频率码，由一体化接收并解码由发光管显示。 *正常情况下，由于反射和高灵敏度接收，LED4（P1.3)一直闪烁，可以用黑色纸片完全遮挡接收头使 *之不能接收到发射管的信号，这是LED4熄灭。说明功能性正常 -Content:* IR test program, launched with the microcontroller through the launch tube of the modulation frequency of 38K code, by the integration to receive and decode from the LED display.* Under normal circumstances, due to reflection and high-sensitivity receiver, LED4 (P1.3) has been flickering, you can completely block the black pieces of paper to make* that they are not receiving the first emission control signal is received, it is LED4 out. Note the normal functional

利用JHD12864M1液晶串行接口方式画出存放在数组里的图形~-LCD serial interface using JHD12864M1 stored in an array of ways to draw in the graphics ~

适合用于mc9s12dg128的EEPROM开发。-Mc9s12dg128 suitable for the development of the EEPROM.

关于电子热表的单片机原程序，该程序是利尔达公司在沈阳的技术研讨会上宣讲的例程-hot on the electronic table of SCM original program, which is the cellphone company in Shenyang technical seminar lectures on the routines

随着精准农业的发展，农业种植和农业研究人员需要一种手持式NDVI测量仪，以便对农作物长势进行定量测量。本文讨论了一种手持式NDVI测量仪的完整设计过程，详细论述了设计原理，并给出了详尽的单片机程序、设计电路原理图及PCB图。该NDVI测量仪采用太阳光作为光源，光电探测器采用滤光片和光敏二极管实现，用AT89C51单片机控制。其具有结构简单、成本低、轻便、低功耗的特点。-With the development of precision agriculture and farming, and agricultural researchers need a handheld NDVI measuring instrument, in order to crop growth for quantitative measurement. This paper discusses a handheld meter NDVI the integrity of the design process, discussed in detail the design principles, and gives a detailed SCM procedures, circuit schematics and PCB plans. The NDVI measuring instrument used sunlight as a light source, photodetector using filters and photodiode realized, with AT89C51 control. Its structure is simple, low cost, lightweight, low-power characteristics.