用C51开发的单片机多机通讯程序，其中包括双口RAM的读写程序。 这个程序调试通过，应用在我开发的系统中，效果很好。...

IRQ4中断有三个中断源：1KHz、2Kz和4KHz,每一个中断分别控制与IOA0-IOA1,IOA2-IOA3和IOA4-IOA7相连的LED灯-IRQ4 interrupt has three interrupt sources: 1KHz, 2Kz and 4KHz, each interruption of the respective control and IOA0-IOA1, IOA2-IOA3 and IOA4-IOA7 connected LED lights

CPLD与51单片机总线接 -CPLD with 51 microcontroller bus access

自制51编程器的资料是业余电子爱好者的工具，能让我们亲自制作一个51编程器。- The self-made 51 programming materials are the extra-curricular electronic amateur s tools, can let us personally manufacture 51 programming.

频率计，精度高，可以自动换档，一般单片机可以达到0…500k-Frequency, high precision, can automatic transmission, the general single-chip microcomputer can be 0 ... 500k

VB编写的无线信息发布系统（短信收发与数据库处理结合），全套程序！自带PDU短信编码字库！该字库可用单片机上的短信系统开发。还具备电话呼叫功能！-VB prepared by the wireless information delivery system (SMS transceiver combined with database processing), a full set of procedures! PDU encoded messages own character! The font available on the SCM messaging system development. It also possesses ability to call!

由MSP430F135做控制器的温度控制详细程序，经过实践验证，可放心移植。-MSP430F135 done by the temperature controller to control the detailed procedure, after practice, can be assured transplantation.

430学习书籍,好东西,希望大家下载-430 learning books, good things, I hope everyone downloads

故障指示器；单相接地故障；电流互感器；全波整流有效值电路；单片机-Fault Indicator Single-phase Ground Fault Current Transformer RMS circuit full-wave rectifier SCM

TI的高性能单片机MSP430+网络控制芯片CS8900A实现数据网络传输-TI"s high-performance network control MSP430 microcontroller chip CS8900A data transmission network

CC1000为RF芯片，作为无线通信处理芯片，本程序是基于PIC72作为处理器。频段为433.92M，具有多种通信方式，通信速度可达到65K。-CC1000 RF chip, as wireless communications processing chip, the procedure is based on the PIC72 as the processor. For 433.92M band with a variety of means of communication, communication speeds up to 65K.