单片机AT90S系列 制作简易USB接口（软件模拟,无usb硬件）。 programmer

12232液晶驱动和时间显示。矩阵键盘源代码-12,232 liquid crystal display driver and time. Matrix keyboard source code

bd3201-14A（DRE）提供的高性能数字音频信号处理能力，可实现紧凑的，易用 的，高质量的混响效果解决方案-bd3201-14A (DRE) provides high-performance digital audio signal processing capabilities, enabling compact, easy to use, high-quality reverb solution

在MSP430单片机上用C操作MMC和SD卡的电路和参考代码。含PDF文档。-MSP430 single chip microcomputer used in the C operator MMC and SD cards circuit and reference code. Containing PDF documents.

dsPIC33F型号的CPU可配置10位或12位的ADC采样，转换完成后直接从DMA中读取转换结果。源码中对多路模拟量进行采样，对ADC及DMA分别进行了配置。 -dsPIC33F models of CPU can be configured 10-bit or 12-bit sampling ADC, the conversion after the completion of DMA read directly from the conversion results. Source of multi-channel analog sampling, the ADC and DMA configuration respectively.

是一个电话接口模块，它给你提供一个自动检测电话是否正常，电话是否连通。-is a telephone interface module, which gives you an automatic detection normal telephone, whether telephone connectivity.

三线式单工通讯 毕业设计 电路图和程序都是正确得-Single 3-wire communication circuit and procedures, graduation design is correct too

红外线遥控音量电位器,红外线遥控音量电位器-Infrared remote control volume potentiometers, infrared remote control volume potentiometer

HT93LC46EEPROM 是Holtek 制造的1K 位系列的EEPROM（电子可擦除只读存储器），一般 它用于微控制器的固定数据的存储。在本文中，我们将以Holtek 公司8 位微控制器HT49 系列为例，介绍该芯片常用的操作功能代码。用户只需把代码加到程序中，并且在使用HT93LC46 之前将引脚CS/SK/DI/DO 连接即可。-HT93LC46EEPROM is a 1K-bit Holtek manufactured series of EEPROM (electronic erasable read-only memory), general micro-controller is used to store fixed data. In this article, we will Holtek" s 8-bit microcontroller HT49 series, for example, the introduction of the chip code commonly used operating functions. Users simply add the code the program, and before the use of HT93LC46 pin CS/SK/DI/DO connection is needed.

1602lcm字符液晶屏驱动演示程序,连接线图: LCM-------51 LCM-------51 LCM--------51 DB0-----P0.0 DB4-----P0.4 RS-------P2.0 DB1-----P0.1 DB5-----P0.5 RW-------P2.1 DB2-----P0.2 DB6-----P0.6 E--------P2.7 DB3-----P0.3 DB7-----P0.7 VLCD接1K2电阻到GND [注]:AT89C51的晶振频率为12MHz-1602lcm character LCD Driver demo program, link map : LCM LCM------- 51------- 51-------- 51 DB0 LCM P0 .0 DB4----------------- P2.0 P0.4 RS DB1----- P0 .1 DB5 P 0.5 RW----------------- P P2.1 DB2 Encl 0.2 DB6 E------------------ P0.3 P2.7 DB3 DB7----- P0.7 VLCD access 1K2 resistance to GND [Note] : AT89C51 oscillator frequency of 12 MHz

单键识别,用于初学单片机的人熟悉,了解,学习-One-touch identification, for beginner people familiar with MCU, understanding, learning