usb slaver for sd card

八位CRC,c程序-eight CRC, c procedures

本代码实现了卡式电话的功能,包括长话市话特话,警告,扣费等一系列功能-This code implements the cassette phone features, including special long-distance local call, then, warnings, chargeback and a series of functions

用8051汇编编程的定点，三字节浮点，四字节浮点的字程序库。-8051 compilation of programming with the fixed-point, three-byte floating-point, four-byte floating-point library word.

完全正确的频率计供大家参考（1602显示),非常适合单片机学习和使用-Completely correct frequency for your reference (1602 show), very suitable for the learning and use of single-chip microcomputer

当你进入线路板（PCB）这个行业后，首要面对的就要了解行业术语， 为此特别整理了包括大陆，台湾，香港等多位行业专家编写，修定， 再修定的PCB行业方方面面的术语和词汇。将网上流传的多种版本进行 了修正、统一和分类，更合理的介绍了线路板（PCB）专业术语。方便 大家查阅。-When you enter the circuit board (PCB) in the industry, the primary face and need to know about the industry jargon, for this special finishing, including mainland China, Taiwan, Hong Kong, etc. to prepare a number of industry experts, the revised and then revised all aspects of PCB industry terminology and vocabulary. Will be a variety of popular online version of the amendment, unity and classification, a more reasonable introduction PCB (PCB) professional terminology. Convenient access to everyone.

CAN通讯 有源程序 很好 大家来看看 SJA1-CAN communications have a very good source to look at the U.S. SJA1

段码LCD驱动控制器HT1621的C51程序-Code segment LCD driver controller of the C51 program HT1621

ARM 10 KEYPAD DESIGN

51单片机的_中文拼音输入法_c源程序 拼音输入法杳询函数: unsigned char code * py_ime(unsigned char input_py_val[]) input_py_val为已输入的拼音码字符串头指针， 反回值为中文的起始地址，当为0时，杳询失败 应用举例： { unsigned char input_string[]={"bang"} unsigned char chines_string[100] sprintf(chines_string,"％s",py_ime(input_string)) }-51 Singlechip _ Chinese Pinyin input method _c source disappeared consultation Pinyin input method function: unsigned char code* py_ime (unsigned char input_py_val []) input_py_val for Pinyin input first code string pointer, and anti-back value of Chinese starting address, as 0:00, dark and quiet consultation, for example the failure of the application: (unsigned char input_string []={ bang ) unsigned char chines_string [100] sprintf (chines_string, s , py_ime (input_string)))

单片机A51开发的打印机出动程序-SCM A51 development printers deployed procedures