一个新颖的自动调节匹配电阻阻值器，内有原理图,可供在家参考。...

计时器，５１源码，芯片是７7E58,精度是10uS，上升沿，下降沿，脉宽都可以测量，８路同时测量，１０个数据存储，指标就这样了-Timer, 51 source code, chip is 77E58, precision is 10uS, rising edge, falling edge, pulse width can be measured, 8-channel simultaneous measurement, 10 data storage, so the indicators

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自行开发的51单片机电子钟程序，且带有上位机通讯的功能。-self-developed electronic bell 51 SCM procedures and communication with PC functions.

该文件提供51c程序点阵led显示模块，可以运行在arm平台-51C of the document provides procedures led dot matrix display module can be run on arm platform

44b0x的U盘源代码，用PCB上的Flash作为存储价质1M-44b0x U disk source code, the use of PCB Flash memory prices as a quality 1M

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常用PIC系列单片机速查表，有PIC的C系列，F系列以及HV系列等等,-PIC MCU速查表commonly used, have PIC C-Series, F Series and the HV series, etc.

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