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