Hello friends, welcome to where I will show you the world.
As we all know, the photoelectric door plays a very important role in the electric fire package.
But how is the photoelectric gate made? Let’s take a look with the editor.
We pull up the infrared detector and input it into the 393 comparator to compare with the medium potential point.
If there is obstruction between the photoelectric gates, the output terminal will output the power supply voltage under the action of the pull-up resistor.
Okay, that’s all about how to make a photoelectric gate.
But this is the fact, and the editor is also very surprised.
Friends are welcome to share your views with everyone in the comment area.
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