Okay so, I'm pretty new to programming with electronics and have a noobish question. How does the below setup work? It obviously does, and I've done it along with numerous other Arduino configurations. I just don't get where the positive comes into play. How is there a full circuit here? What I see…

Beginner Electric flow/schematic question

Topic		Replies	Views
What is ground? General Electronics	17	41514	May 6, 2021
Ground the same as negative charge? Frequently-Asked Questions	5	15079	May 6, 2021
understanding ground General Electronics	16	2751	May 6, 2021
Why don't they show the ground connection of control circuit General Electronics	19	5495	May 6, 2021
GND? Frequently-Asked Questions	5	1488	May 6, 2021