USB_2.0.pdf

AVR files example that drive Interrupt and LCD and others

说明：  利用定时/计数器T0从P1.0输出周期为1s的方波，让发光二极管以1HZ闪烁，设晶振频率为12MHz(The use of timer/counter T0 from P1.0 output cycle square wave 1s, so that the light-emitting diodes 1HZ blinking, set the crystal frequency is 12MHz)

Platform SDK-April 2005 Edition English 英语种子下载(Platform SDK- April 2005 Edition (English) Download.)

PIC18F2420 用中断方式从0加到9999 采用四位工阳极数码管(PIC18F2420 interrupt from 0 added to the 9999 four workers anode digital tube)

通过RS485端口不停地发送数据0xaa用示波器观察RS485端口A、B信号线上的波形或者用RS485接收器接收发送的字符。(Through the RS485 port to send data continuously 0xaa observed with an oscilloscope RS485 ports A, B signal waveforms or use the RS485 line receiver sends characters.)

12864上面的并行画线，可以画圆，三角形，正方形，直线，正弦波(12,864 above the parallel line drawing, you can draw a circle, triangle, square, line, sine wave)

关于51单片机和dac7811芯片之间通信的程序，可以正确模拟SPI串口通信，写入数据(On communication between 51 single chip microcomputer and dac7811 chip procedures, can correctly simulate the SPI serial communication, write data )

pic modified sine wave inverter circiut

直流发电机的调速程序，使用的是STC12C5A的单片机，采用PWM技术来调节他的速度，简单便捷。(DC generator speed control program use is microcontroller of STC12C5A, and PWM technology to adjust his speed, simple and convenient.)

这个是9342的测试程序，已经调试OK，希望可以帮助有需要的朋友。(This is the 9225 test program has debugging OK, I hope to help a friend in need.)