LKT4101 防抄板专用协处理器芯片采用专用的智能卡芯片平台，内置凌科芯安公司自主开发的嵌入式系统，专门为保护用户代码，防止非法访问和外部攻击而设计的新一代安全芯片。处理器使用8051内核，采用串口通讯协议，用户可以把主要算法放到芯片内部，编程语言基于标准C，开发简单方便，同时，内部大容量的数据空间可作为用户扩展数据存储器，存放重要特征数据。-LKT4101 anti-copy board dedicated coprocessor chip dedicated smart card chip

STC89C52RC单片机介绍 STC89C52RC单片机是宏晶科技推出的新一代高速/低功耗/超强抗干扰的单片机，指令代码完全兼容传统8051单片机，12时钟/机器周期和6时钟/机器周期可以任意选择。 -STC89C52RC microcontroller introduced STC89C52RC MCU STC launched a new generation of high-speed/low power/super anti microcontroller, instructi

Three dimensional force sensor, analyzes its structure, principle and mathematical model between voltage and strike force, and then use the sensor to detect three-dimensional force size, the hardware part mainly with 8051 single-chip microcomputer to

本文介绍的八路数显无线遥控抢答器，它由8个发射器和1个接收器组成，可用于8组或8组以下的智力竞赛中。本设计使用到的元器件包括：8051芯片、数码LED显示器、七段LED数码管的译码。-This article describes the significant number eight wireless remote Responder, which consists of eight transmitter and a receiver components can be used for e