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本文在简单说明了投射仪激光显示图形的原理和整机结构后,着重论述了投射仪的驱动器采用开关电路脉冲调速,控制器采用8031扩展系统的电路组成和工作原理;阐明了投射仪监控软件的编写和程序流程.
This paper briefly explains the principle of the laser display graphics projector and the whole structure, focusing on the projector’s drive using pulse switching speed control circuit, the controller uses 8031 expansion system circuit composition and working principle; clarify the projector monitoring Software preparation and process flow.