motor speed by pwm this depond on that the pwm has t on and t off and t ther is...

8254计数器发声程序-8254 counter audible procedures

可以实现对热水器的监视，以便获得实时的数据并对热水器作出响应调节-On the water heater can be monitored in order to obtain real-time data to respond and adjust the water heater

由 Xilinx 提供的 IIC 接口，使用 AXI interface。 Features ‧ AXI interface is based on the AXI4-Lite interface ‧ Master or slave operation ‧ Multi-master operation ‧ Software selectable acknowledge bit ‧ Arbitration lost interrupt with automatic mode switching from master to slave ‧ Calling address identification interrupt with automatic mode switching from master to slave ‧ START and STOP signal generation and detection ‧ Repeated START signal generation ‧ Acknowledge bit generation and detection ‧ Bus busy detec ‧ Fast mode 400 KHz operation or standard mode 100 KHz ‧ 7-bit or 10-bit addressing ‧ General call enable or disable ‧ Transmit and receive FIFOs - 16 bytes deep ‧ Throttling ‧ General purpose output, 1 bit to 8 bits wide ‧ Dynamic Start and Stop generation ‧ Filtering on the SCL and SDA signals to eliminate spurious pulses

单片机PWM控制LED灯渐亮渐灭C51程序

完整的t9输入法，用于linux嵌入式操作系统-Complete t9 input method for embedded linux operating system

这里 16 x 2 液晶屏接口与 8051 微控制器代码编程 keil 软件中。给定输入为一个字符串，字符串是朝着液晶屏。编程正在使用指针。

关于lcd数显的源程序-LCD digital display on the source

Protel DXP 常用库元件--Common-used library elements for Protel DXP.

录音方音的程序,调试的很不错.通过按键控制.在其他的地方下不到的!-Procedures for the sound recording side, debugging is pretty good. Through the button control. In other places of less than!

在Palm上可以正常运行的类似拼图小游戏源代码！-in Palm can be similar to the normal operation of the small puzzle game source code!