多种CRC的算法解释和原理分析，并有原程序。可以在通讯和文件加密中使用...

ucLinux串口通讯原代码类库，使用1.4版本内核。-ucLinux serial communication source code library, use version 1.4 kernel.

三星s3c44b0芯片下的基本数模转换程序-Samsung chip S3C44B0 basic digital-to-analog conversion process

在51单片机环境下用8个按键控制8个灯分别点亮和熄灭，并解决按键抖动问题。...................................................................

ds1302温度测试，C语言源程序，经过测试使用-ds302

This program is free software you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.--This program is free software. You can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

这个代码不能在linux编译，要加以修改，但写得是很好的，选自某个嵌入式linux 的源码 -the code in Linux compiler not to modify, but is written in good, chosen from a certain source embedded Linux

步进电机控制程序，滑差电机控制程序-stepper motor control procedures, Slip motor control procedures

该程序是使用51单片机来驱动lcd1602显示的。此程序含有详细的io口分配和清晰地线路连接图，此外，还有详尽的程序注释，非常适合初学者参照和学习。这个代码能有效的使lcd1602显示出各种字符，诸如此类，概不详述……

我用BASIC开发环境下的LED屏单显示实验程序，可以初步了解下B环境下SPI的简单应用-I use BASIC development environment under a single LED screen shows the experimental procedure, can be a preliminary understanding of B under the simple application of SPI

1. SH1106显示屏是132*64的寄存器，操作时请按照132*64来操作，    若按照128*64操作，屏幕右侧的边缘会出现一条亮线。     2. 这款屏是CMOS兼容TTL工艺的，理论上3.3V~5V都可以使用，但建    议使用3.3V，这样会大幅提高OLED的寿命。