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Welcome to Arduino
I'm really stuck with my not so original (aliexpress special) relays. Nevertheless I know for sure they work. I have VCC GND and IN ports on my relay. I apply 5v from RPi to VCC, and connect GND to RPi's GND. And when I connect IN to 0V it clicks (which is strange to be honest). I was wondering if when I connect 3.3v from GPIO it will turn it off but with no luck. Switching it between 3.3v and 0v does nothing it is still turned on. Is the only way for me to use a mosfet to make a "Bi-Directional MOSFET Voltage Level Converter 3.3V to 5V"? Or is there any other way without buying any other components?It would be great if you helped me!
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