变化的随机数，改变文本框的颜色

出租车自动计价器设计 要求： 计一个出租车计价器。 该计价器的计费系统：行程 3公里内，且等待累计时间2分钟内，起步费为10元；3公里外以每公里1.6元计费，等待累计时间2分钟外以每分钟以1.5元计费。 并能显示行驶公里数、等待累计时间、总费用。 -Taxi automatic meter design requirements: 1 meter taxi meter. The meter" s billing system: stroke within 3 km, and the total waiting time of 2 minutes, the starting fee is 10 yuan 3 kilometers away, charging 1.6 yuan per kilometer, waiting outside the aggregate time of 2 minutes to 1.5 yuan per minute billing. And can show the number of road miles, waiting for the accumulated time, the total cost.

ad976的驱动源代码-AD976 driver source code

PTR8000 nrf905模块 接收发送-PTR8000 nrf905 module receives sent

这是关于电压比较器的 里面介绍了LM339的引脚图和作用 好东西-This is about the voltage comparator which introduced the LM339 pin diagram and the role of a good thing

armlpc2114，串口定时器及外部中断合并的源码。开发环境为ads1.2-armlpc2114, serial timer and external interrupt source combined. Development environment for ads1.2

82c79的显示转换代码--82c79 display conversion code.

关于嵌入式PCB板UI的程序，包含状态机等一些程序。-on Embedded PCB UI procedures, such as state machine contains some of the procedures.

symbian平台，nokia s60上网络收音机的源代码-symbian platform, nokia s60 radio network on the source code

c_c++嵌入式系统编程-c_c++ Embedded Systems Programming

非常流行的T9693芯片驱动的240128象素LCD驱动程序，适合嵌入式开发者参考-very popular T9693 chip-driven 240,128 pixel LCD drivers, for embedded developers reference