温度传感器LM34使用说明手册，英文版。

基于ISD4004 的录音系统。该设计通过对ISD4004 语音芯片的介绍,使读者熟悉了1SD4004 的基本应用。同时给出了单片机控制下的硬件电路和软件设计,使读者对系统有一个详细的了解。-ISD4004-based recording system. The design through the introduction of the ISD4004 voice chip so that readers familiar with the basic application 1SD4004. At the same time, given under the control of a single-chip hardware circuit and software design, so that readers on the system has a detailed understanding.

利用C51和DS18B20进行温度读取，并在数码管上显示。-The use of C51 and DS18B20 temperature reading and digital tube display.

usb1.1开发代码 usb1.1开发代码-usb1.1

离散 PID 控制 设计方法 ATMEL参考设计-PID control design method of discrete reference design ATMEL

用msp430控制的OLED显示程序 -MSP430 control with OLED display program

该实验是在“点到点无线通信实验”的基础上进行开发，节点A 作为发射模块，节点B 作为射频休眠实验的对象，PC 通过串口下达休眠和唤醒的指令给节点B，来实现对射频部 件的唤醒和休眠功能。串口的设置为波特率115200b/s，8 位数据位，1 位停止位，无校验位。-The experiment in the " point to point wireless communications experiment" based on the development and launch of the module as a node A, node B as a test object dormant radio frequency, PC through the serial port sleep and wake-up instructions issued to the Node B, to achieve the right wake-up radio frequency components and the hibernation feature. Serial port baud rate is set to 115200b/s, 8 bits of data bits, 1 stop bit, no parity bit.

用Keil　C51写的步进电机驱动程序。-Keil C51 was made with the stepper motor driver.

该文件是采用通用IO口模拟I2C存储器通讯的,24LC256是低电压I2CEEPROM.-this document is to adopt a common IO memory simulation I2C communications, 24LC256 is low voltage I2CEEPROM.

自制红外线自动门控制器电路,市场上成品的自动门控制及执行机构价格普遍偏高，文中介绍的方法适合家庭自制使用，用到的元器件都很容易找到，有兴趣者不仿一试。-Self-made infrared automatic door controller circuit, the market finished the automatic door control and enforcement agencies generally high prices, the introduction of the method is suitable for home use, the components used are very easy to find, do not have interest in like a try.

MCS―51单片机系统扩展 简单的并行接口由数据寄存器和少量的控制电路组成，暂存传送的数据。以锁存器、缓冲器为主要芯片，稍加控制都可以作为简单的并行接口.-MCS-51 single-chip microcomputer system to expand a simple parallel interface from the data register and a small number of control circuit components, temporary storage of data transmission. To latches, buffers as the main chip, a little control can be used as a simple parallel interface.