485端口抄表程序，通过485端口进行电表抄写

单片机音频信号处理软件2.-SCM audio signal processing software 2.

步进电机四轮驱动 -Stepper motor stepper motor four-wheel-drive four-wheel drive

PCF566是LCD液晶驱动芯片，此驱动芯片在电表行业使用比较多，上面是PCF566芯片在AVR单片机上使用的驱动子程序，可以移植到其他产品上。-PCF566 is LCD LCD driver chip, the driver chip in the meter industry more, the top chip in the AVR Singlechip PCF566 use driver subroutine, can be transferred to other products.

老外做的 AVR-Doper 很强大 -Foreigners do AVR-Doper is very powerful

一些数字电压表的一些资料，用PPT就看打开看，里面有图片-Some digital voltage meter to some information, the PPT will depend on open view, there are picture

DS18b20温度计,可以检测温度的变化，精度高-ds18b20

zlg 的easyarm easyarm-ZLG

SST28SF040是SST公司推出的高速可编程闪存。它具有512k*8的存储结构 芯片擦除及写入的时间快,可靠性高,能够重复写100,000次,低功耗.以上程序是用c51编写的驱动程序，希望对使用该芯片的同仁有所帮助-SST28SF040 SST is the company"s high-speed programmable flash. It has 512k* 8 storage structure chip erase and write the fast, high reliability, write to repeat 100,000 times, low power consumption. The above procedure is used to prepare the decoder drivers, and I hope to use the chip colleagues help

我们设计的火灾报警器，基本上满足要求，大家可以参考-We design fire alarm, and basically meet the requirements of everyone can refer to

这是一个C51做的GPS终端 CPU：89S52 语言： Keil C51 主要是RS232通信-This a C51 done GPS terminal CPU : 89S52 Language : Keil C51 is RS232 communication