RS232 single

单片机ＩＯ口不足，用此电路做的键盘电路和程序，就可以了 8条口线24按键的C51源程序 .rar-SCM IO insufficient use of this circuit keyboard circuit and procedures on the eight lines mouth of the 24 keys C51 source. rar

智能无线防盗报警器的设计,由AT89C51单片机控制电路、无线收发电路、DTMF（双音多频）电路、语音录放电路、电话接口电路等部分组成-Intelligent wireless burglar alarm design, by the AT89C51 single-chip control circuit, a wireless transceiver circuit, DTMF (Dual Tone Multi-Frequency) circuits, voice recording circuit, telephone interface circuit components, such as

PC机与单片机串口通讯可以通过多种方式来实现，在这里只介绍使用MSCOMM控件进行通讯。-PC and microcontroller serial communications to be many ways to achieve here in only MSCOMM controls on the use of communication.

周立功GUI在avr单片机上的移植 开发环境为IAR

HD7279驱动程序，2×4键盘，指示8个灯亮-HD7279 driver, 2 × 4 keyboard, instructions 8 lights

fortune 98o22，24系列EEP读写子程序，使用接口函数，可直接调用-fortune 98o22, 24 series of EEP read and write subroutines, using the interface functions can directly call the

此软件是PIC单片机的编程助手软件，你可以通过它来设定一些内部模块的使用情况(如定时器，SCI，CCP)等模块的设置。省去了人工去记这些设定值。设置完成后可以自动生成C源程序。 -this software is the PIC microcontroller programming software assistant, You can set it to the internal use of the module (such as Timer, SCI, CCP) module configuration. Save a manual to remember these values. After the completion of installation can be automatically generated C source files.

数据块的首址在R0中，字节数在R7中。 单字节无符号数据块排序（减序） 影响资源：PSW、A、R1、R6-the first data block site of the R0, the total number of bytes in which R7. No symbol single-byte data blocks ranking (by order) affecting resources : PSW, A, R1, R6

zlg7290 演示程序 希望对大家有帮助-zlg7290 demo program you want to help

利用单片机AT89S51与adc0809设计一个数字电压表，能够测量0－5V之间的直流电压值，四位数码显示，但要求使用的元器件数目最少-AT89S51 with adc0809 use of single-chip design of a digital voltage meter, capable of measuring between 0-5V DC voltage value, four digital display, but requires the use of minimum number of components