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adc ， ad7705 模拟spi总线的keil c51 程序，经过调试通过。-adc, ad7705 analog spi bus keil c51 procedures, after debugging through.

用单片机不同的IO口驱动数码管，以解决IO口不是一个PO口的问题。-Microcontroller IO port with a different drive digital tube, to address the IO port is not a PO mouth problem.

12232 Lcd c51例子-12232 example Lcd

PM50语音芯片播放语音程序,采用串行方式,AVR单片机控制-PM50 voice chip-play voice procedures, using serial, AVR control

单片机音乐 用于播放简单的音乐 实现音乐盒功能-Singlechip music used to play simple music box music to achieve functional

这是VB编程RS232串口（COM口）控制的D/A(数模转换)转换板的上位机演示程序。通过电脑串口（或其他具有串口的单片机、PLC、DSP）发个简单的可视ASCII指令，便可以方便地控制8个数模转换通道输出设定的电压值。比如,电脑串口输出字符串"C2V2660"到本控制板,则控制板将控制2号通道输出2.66V电压；电脑串口输出字符串"C6V3060"到本控制板,则控制板将控制6号通道输出3.06V电压.指令非常简单，完全不需了解复杂的硬件及时序控制。-This is a VB programming RS232 serial port (COM port) control D/A (digital-analog conversion) conversion board host computer demonstration program. Via the computer serial port (or other serial port of the microcontroller, PLC, DSP) made a simple visual ASCII commands, they can easily control the number of eight-channel DAC output set voltage. For example, the computer serial output string " C2V2660" to this control panel, then the control board will control 2-channel output 2.66V voltage computer serial output string " C6V3060" to this control panel, then the control board will control the 6 channel output voltage is 3.06V. instruction is very simple, completely without understanding of complex hardware and timing control.

是台湾松翰公司8位单片机编程器的英文使用说明。-Taiwan Sonix 8-bit single-chip companies programmer for use in English.

51单片机模拟串口SPI方式接收和发送数据-51 single-chip analog SPI serial receive and send data

用12C887制作的电子时钟,用89C51单片机读取并显示.-12C887 produced with electronic clock 89C51 single-chip reader and displayed.

针对音量IC：M61540的控制程序，适合5.1音响系统。-For volume IC: M61540 control procedures, suitable for 5.1 sound system.