I'd like to detect AC or DC current (not the current level just nothing or something => ON/OFF) in a wire with a (DIY) sensor just in contact (glued) with the wire plastic insulator. At the end the goal is to detect if the wire transport current or not (conduction is ON or OFF) with an arduino input. The voltage could be between 5V to 24V and current around 10mA to 20A.
Is there solution like hall effect or transistors in serial with antenna? Non invasive current loop/sensor only work with AC current!
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