How To Use An Opto-coupler with Arduino & Relay_ PC817 opto-coupler
13:27
YouTubeTakim Mallick
How To Use An Opto-coupler with Arduino & Relay_ PC817 opto-coupler
In this video I have shown how to an opto-coupler works, how to connect it with Arduino and a relay, as well as why you should use a pull-up resistor with and so on. Here I have shown on pc817 opto-coupler.
2K viewsOct 26, 2023
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