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hi,is there any replacement for relay?
im thinking of using of transistors, but im not that familiar with transistor.
can a transistor act like a relay? the load is very small.
is there any replacement for relay? .
is there any replacement for relay?
im thinking of using of transistors, but im not that familiar with transistor.
can a transistor act like a relay? the load is very small.
optocoupler is like a LED and Photo Transistor, it uses a voltage source in its load,, but how do i connect the photo transistor part to my button 9 in my cellphone?