PWM

用C语言编写的可实现产生PWM波,已经下载到单片机产生了PWM波，用于高压脉冲电源的设计。(Written in C can be implemented to generate PWM wave has been downloaded to the microcontroller generates a PWM wave for high-voltage pulse power supply design.)

说明：  是我们学校学生作品只是用来分享，有电路图，有程序，关于51单片机的(Our school is only used to share student work, there are circuit diagrams, a process, on the 51 SCM)

运行于hadoop上的 MapReduce WordCount程序(Running on a MapReduce WordCount program hadoop)

按键扫描，逐行检测，，，，，，，，，，，，，，，，(Key-press scan, line by line detection...................)

NUMERICAL ANALYSIS PROGRAMS IN PASCAL

SPI通信---pic18系列单片机编程实现使用MAX7219控制4位7段数码管显示数字：0 1 2 3。(SPI communication--- pic18 series microcontroller programming using the MAX7219 control four 7-segment LED display digits: 0123.)

利用PROTEUS,在C51单片机上,利用GP2D12测距传感器进行红外线测距的仿真,亲测可用.(Use of PROTEUS, the C51 microcontroller, using GP2D12 infrared distance sensors ranging simulation, pro-test is available.)

TM7711 是应用于电子秤低频测量的单通道模拟前端。 该器件可以接受直接来自传感器的低电平的 输入信号，然后产生串行的数字输出。利用 Σ-Δ 转换技术实现了 24 位无丢失代码性能。通过选定的输 入信号被送到一个基于模拟调制器的增益可编程专用前端。 片内数字滤波器处理调制器的输出信号， 通 过通信口发命令可调节滤波器的截止点和输出更新速率，从而对数字滤波器的第一个陷波进行编程。 TM7711 只需 2.6~5.5V 单电源供电。TM7711 是全差分模拟输入，带有一个基准输入。 TM7711 是一款用于高精度电子秤系统的理想产品，由于采用特殊的结构确保器件具有极低功耗， 并且内建有掉电模式以减少待机功耗。该芯片还具有集成度高、响应速度快、抗干扰强等优点，可以大 大降低电子秤系统的整机成本，提高整机系统的性能和可靠性。(TM7711 is used in electronic scales measuring the low-frequency single-channel analog front-end. The device can accept a low level directly the sensor Input signal, and then generates a serial digital output. Use Σ-Δ converter technology to achieve 24-bit no missing code performance. Via the selected output The signal is fed to an analog modulator based on a dedicated front-end programmable gain. Chip digital filter processing modulator output signal through Send commands over the communication port can adjust the filter cutoff and output update rate, and thus the first notch digital filter can be programmed. TM7711 only 2.6 ~ 5.5V single power supply. TM7711 is a fully differential analog input with a reference input. TM7711 is an ideal product for high-precision electronic scale systems, the use of a special structure to ensure that the device has a very low power consumption, And built-in power-down mode to reduce standby power consumption. The chip also features high integra)

实现坐标的显示 随机数产生 并显示到listctrl中 声称坐标轴 显示随机数，排序( Achieve coordinate display random number is generated and displayed to listctrl claimed axis shows random numbers, sorting)

用stm32单片机制作一个时间显示界面可以触摸设置时间(Stm32 microcontroller produced by a set time period can touch display interface)