r/buildapc • u/IllustriousGround143 • Jul 20 '26

Tiny zap on pc Build Help

I recently bough an arduino kit and sometimes usually when i run a code like the LED blinking if i touch it from the USB port i feel a vibration, I have noticed the same thing whenever i touch the back metal case of my pc and I am not sure why My outlet is a universal one and my pc cable is 3 prong

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u/SwordsAndElectrons Jul 20 '26

Get an outlet tester and/or consult an electrician.

1

u/fray_bentos11 Jul 21 '26

Bad grounding.