基于ATMEGA128控制的DS18B20的温度显示，采用LCD1602显示-ATMEGA128-based control DS18B20 the temperature display, using LCD1602 display

MAX7219用于键盘控制和led控制的专用芯片，对于初学者有很大的帮助。-MAX7219 uses in the keyboard control and the led control special-purpose chip, has the very big help regarding the beginner.

实验箱上的蜂鸣器发出对应的音调（中音），当同时按下L和1-7时是，蜂鸣器发出低音，同时按下H和1-7时，蜂鸣器发高音。只要按键没松开，蜂鸣器一直发声，直到松到按键。-The buzzer sounded on the test box corresponding to tone (Tenor), when at the same time when you press the L and 1-7, the buzzer sounded a bass, while pressing the H, and 1-7 when the buzzer made treble. As long as no release button, buzzer sound has always been, until the pine to the button.

编译器keil c, 功能：对atmel的dataflash读写，型号：at45db041- Compiler keil c, function: To atmel dataflash read-write, model: At45db041

ht1621液晶驱动的测试程序，汇编语言编写-HT1621 LCD driver test procedures, assembly language preparation

单片机演奏乐曲的程序，可以演奏生日快乐和三套车。-Singlechip music recital program, you can play happy birthday and the troika.

数字温度显示(带负温度),采用STC89C51单片机控制DS18B20-Digital temperature display (with negative temperature), the use of STC89C51 SCM DS18B20

这是从网上找来的一个比较典型的PID处理程序，在使用单片机作为控制cpu时，请稍作简化，具体的PID 参数必须由具体对象通过实验确定。-It is found from the Internet a more typical PID process, as a control in the use of single-chip cpu, please make some simplification, the specific parameters of the PID must be determined through experiments at specific audiences.

在MSP430下操作IC卡以及FLASH以及ADS1242-operate under the MSP430 IC cards and FLASH and ADS1242