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这些都是常用的通信设备的电路原理图，很多是高频电子线路的--Circuit diagrams for some commonly used communication devices. Many are operated under high frequency.

用C33 STAR 开发板构成GPS定位系统-with C33 development board constitute a GPS positioning system

EP9307程序 非常珍贵 ------EP9307程序 非常珍贵-EP9307 procedures precious------ EP9307 precious procedures

飞思卡尔单片机 HCS08JM60 ucos-ii移植

适用于SED1335的24点阵中文字库。原来为打印字库，纵向排列。现已改为横向排列。地址计算：((内码高位-161)*94+低位-161)*72-SED1335 apply to the 24 dot matrix Chinese font. The original font for printing, vertical array. Order has been changed to lateral. Address Calculation: ((high code-161)* 94+ Low-161)* 72

基于STM32F107的串口转以太网的例程,可以直接应用于实际项目中,采用LWIP实现

lcd12864点阵液晶屏的测试代码，付有模块的说明文档。-dot-matrix LCD screen lcd12864 test code, payment modules have documentation.

RS RS-232 至RS RS-485 RS RS-422 智能转换器-RS RS-232 to RS RS-485 RS RS-422 Intelligent Converters

用于自动喷胶机的PID算法，基于热熔胶的加热温度控制，过冲不高过2度，精度有0。5度-For automatic glue machine PID algorithm, based on hot melt adhesive heating temperature control, overshoot does not exceed 2 degrees, the precision of 0.5 degrees

STM32芯片针对AT24c01-24c16卡片的驱动程序，能自动识别卡类型，卡容量。包括对AT24C01-24C08-24C16卡的读写。