STC89C52单片机的PWM

ATC89C51下开发的带万年历的电子钟设计，可设置4个闹钟-ATC89C51 developed under the electronic clock with calendar design, you can set 4 alarm clocks

protel元器件TQFP-44封装。做好的封装，可以直接用于PCB的绘制！-protel components TQFP-44 package. Do a good job of packaging, can be directly used for PCB drawing!

控制LED灯的亮灭 控制LED灯的定时亮灭，单片机定时器的使用。-control of the LED light-controlled LEDs eliminate the regular-collapse of the use of SCM timer.

完整的I2C软件开发包,包括模拟的I2C和硬件I2C,并且每种都有汇编和C语言两种-complete software development kits, including simulation and hardware I2C I2C, and the compilation and each have two C language

单片机在spi编写的可以用到的数据手册。-Singlechip in spi can be used to prepare the data manual.

C8051F350单片机做的称重系统-C8051F350 microcontroller do Weighing System

英飞凌C166之XC164CS开关SWITCH程序-Infineon C166 procedures of XC164CS switch SWITCH

电子脑中、、闹钟源程序，可以实现用单片机开启的电子闹钟功能，万年历电子脑中、、闹钟源程序，可以实现用单片机开启的电子闹钟功能，万年历-Electronic brain, clock source, you can open a single-chip implementation with electronic alarm clock function, the brain electron calendar, alarm clock source, you can open a single-chip implementation with electronic alarm clock function, calendar

atmel 24c02卡读写程序，请修改后使用。多谢支诗。-atmel 24c02 Card Reader program, the revised use. Thank you support poetry.

这是一个C51做的GPS终端 CPU：89S52 语言： Keil C51 主要是RS232通信-This a C51 done GPS terminal CPU : 89S52 Language : Keil C51 is RS232 communication