共同学习.共同进步.才学孰浅,请各位前辈多多指教.

键盘扫描及返回相关数据,只是读键盘与功能实现的一个接口函数

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

AVR官方设计的充电器-designed charger

8051单片机点对多机通讯，希望对大家又所帮助，我也需要下载资料啊！-8051 points on the multi-machine communications, and they hope to also help everyone, I also need to download the information ah!

四相步进电机正反转驱动原代码，汇编语言编写-Positive four-phase stepper motor driver source code, compiled languages

通用的AT24XX系列存储器驱动程序，AT2402,AT2404,AT2408,AT2416,AT2432通用，I2C总线方式-common memory AT24XX Series drivers, AT2402, AT2404. AT2408, AT2416, AT2432 GM, I2C bus way

nrf24l01的中文说明文档，方便开发-chinese documents of NRF24L01，provide convenience for development

这是一个单片机控制RFID芯片FM1702SL的C语言程序，采用Keil编译。-This is a single-chip RFID chip control FM1702SL C-language program, using Keil compiler.

msp430控制mmc卡，并带有电路连接图-Controller control mmc card, and connect with a circuit map

2300时钟芯片的读写函数。主要说明SD2300时钟的应用-2300 clock chip to read and write function. The main clock SD2300 Application Note