Hello makers, if i run an outside +5 v lead into an analog input that is not powered or grounded to arduino, will it fry the pin? If so how can i work around the extra power?

outside power

Topic		Replies	Views
Where do I connect the Ground from the Power Supply? General Electronics	32	852	January 14, 2025
Wrong analogRead value with external power General Guidance	16	112	December 17, 2025
External power issue General Electronics	4	246	April 10, 2024
Accidentally left external 5V connected to input pin while Arduino is off General Electronics	13	2495	November 26, 2021
Using common ground correctly General Electronics	100	1162	July 30, 2024