ground of Arduino and ground of power source

Projects General Guidance

Topic		Replies	Views	Activity
Powering Uno from regulated +5VDC Safe/Possible? IDE 1.x	21	6432	May 5, 2021
Powering Arduino with 7805 Not working properly General Electronics	12	6770	May 6, 2021
Arduino powersupply from 27V~ Interfacing	57	20603	May 6, 2021
voltage divider 80V Interfacing	30	9111	May 6, 2021
Regolatore 78L05 tensione out bassa Generale	41	14079	May 7, 2021