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Thank you for your reply. The design is based of this one on this website. https://www.gadgetronicx.com/motion-sensor-fan-circuit/
I just wanted to add another PIR. objects connected should be fan PWM , 12 volt, capacitor 10uF, 1K resistor, MOSFET transitor, and arduino
I am new and am don this as a hobby. I am trying to make two motion sensors turn on a fan. One on each side. I don't want to use PIR because the objects might not give off heat. So any suggestions as to which motion detector to use. I am also using an arduiono. And should I use a relay...
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