045-PWM

这是一个带有时钟,闹钟的桌面宠物程式. 还有记事功能!!COOL(This is a clock, alarm clock, desktop pet programs. There Notepad function!! COOL)

单片机的计时器PWM模式实例代码，希望给相关的人员带来帮助。(Single chip timer mode PWM code examples, hope to the related personnel to bring help. )

有关 C语言的CRC校验的资料，很实用，值得收藏和学习(About the C language, the CRC data, it is practical, it is worth collecting and learning)

利用easyx写的矩阵键盘仿真，希望可以给爱好者提供参考。(Use easyx wrote matrix keyboard emulation, hoping to provide a reference for enthusiasts.)

通过NXP NFC Reader IC RC523 读取Felica (NFC TYPE 3)card，配合NXPRdLib使用（NXP官网下载） (Read Felica(NFC TYPE 3)card with RC523)

ds1302液晶时钟液晶时钟及温度检测程序(the ds1302 LCD Clock LCD Clock and temperature testing procedures)

水循环系统、温度信号采集系统、制冷及制热系统、内嵌体温调节算法的温度主控单元软件编写，基于atmega128(Water cycle system, temperature signal acquisition system, cooling and heating system, inline thermoregulatory algorithm of temperature control unit writing software, based on the atmega128 )

CD4051/CC4051是单8通道数字控制模拟电子开关，有三个二进控制输入端A、B、C和INH输入，具有低导通阻抗和很低的截止漏电流。(CD4051/CC4051 is single channel 8 digital controlled analog electronic switch, there are three binary control input A, B, C and INH input, has low conduction resistance and very low by leakage current.)

PLC与51单片机通讯示例程序(单片机程序)(PLC and 51 single-chip communication sample programs (MCU program))

双两程电压表，用TLC1543做的，精准测电压(Double two-way voltmeter)