ATmega8

对讲机7021 -7021 walkie-talkie walkie-talkie 7021

一个可调小时分钟的数字钟系统，先是在液晶屏上，显示开始为00：00：

philips单片机IAP操作的测试代码，可以根据自己需要进行修改，为C语言接口-philips Singlechip test code IAP operations can be modified according to their own needs for the C language interface

avr单片机使用的ds18B20的测温系统-avr single-chip microcomputer used in the temperature measurement system ds18B20

经典的DSP的C程序和汇编程序, 非常好!-Classic DSP-C procedures and compilation of procedures, very good!

用ASM语言编写的二十进制转换代码.有价值-ASM language with the two Decimal code. Value

8051-adc0804

9850驱动 驱动9850产生频率 定义端口等 理解就是了-9850

用ATmega8单片机驱动1602液晶显示，-ATmega8 using 1602 single-chip LCD driver,

本系统主要用于旅游景点记录游客人数，并限制旅客的流量。采用红外传感器通过检测人体红外并对通过人数进行计数，通过红外对管将检测到的数据发送至单片机，单片机处理后送至数码管显示，数码管显示的数据即为通过的人数，并通过设定值限制旅客数量。当游客超量是系统将给出相应的提示，禁止游客再进入。以更好的保护旅游景点的生态环境。-This system is mainly used for tourist attractions recording the number of visitors and limit the flow of tourists. Use of infrared sensors by detecting the human body by infrared and number of people count on the tube will be detected by infrared the data sent to the MCU, MCU after treatment sent to the digital LED display, digital LED display of the data shall be the number of through and through setting limits the number of passengers. When the visitors over-the system will give the appropriate prompts to prohibit visitors from re-entering. To better protect the tourist attractions of the ecological environment.