5V Single Channel Relay Module 10A (CE05137)

[Robert93820]

Hi Fractal.

@Fractal

manufacturer’s data sheet the “pick-up voltage” is 75% of 5V, that is 3.75V

That is just what I have been on about since Nov 2022.

@Fractal

but is it really worth the risk?

Definitely not.
Cheers Bob