Do you have any idea or suggestion how should I connect my sensor to my 2nd input of my PIC (RD1)? I am really confused with the three wires, I know positive to brown, negative to blue, but in the circuit shown in the sensor it says that after connecting the black wire to my load, I need to connect the other side of the load to the brown wire again. I am really confuse how should I connect this to the PIC.
Thanks.