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笔者设计并制作了基于太阳能电池的光通信演示仪,利用LED灯的光强变化传输音频信号,太阳能电池接收光强变化,然后输出包含音频信号的电压通过一级放大器进行放大,实现了信号的无线传输,对现有的光通信装置进行了创新改进.
The author designs and manufactures the optical communication demonstration instrument based on the solar cell, uses the light intensity change of the LED lamp to transmit the audio signal, the solar cell receives the light intensity change, and then outputs the voltage containing the audio signal to be amplified by an amplifier to realize the signal Wireless transmission, the existing optical communications devices have been innovative improvements.