Greetings All, Is there an electronic element that with increasing current, resistance increase? like VDR but about current instead of voltage thanks a lot :slight_smile:

Variable Resistor

Wawa April 4, 2018, 8:40am 2

Resistance of a PTC increases when it gets hot from the current flowing through it.
A practical example is the self-healing USB polyfuse on your Uno/Mega.
Leo..

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Variable Resistor

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