Photo-controlled switching circuit composed of silicon photovoltaic cells
Source: InternetPublisher:偷熊计划 Keywords: Switch circuit battery pack silicon photovoltaic cell light control switch Updated: 2021/02/07
Photo-controlled switching circuit composed of silicon photovoltaic cells
In the circuit shown in the figure, when there is no light, VT is cut off (or there is a small collector current, but not enough to make the relay close); when the silicon photovoltaic cell is illuminated by light, a forward voltage is generated to turn on VT, and the relay action.
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