How does on 'Input' pin work? (beginner question)

Other Hardware General Electronics

Topic		Replies	Views	Activity
Pull up > pin/ground General Electronics	49	13238	May 6, 2021
Pull up resistor question Interfacing	9	7715	May 6, 2021
How much output ? Interfacing	46	12778	May 6, 2021
5V To GND when button pushed? General Electronics	16	4865	May 6, 2021
What if I use 230 ohm resistor with 5V input to Ground? General Electronics	46	9307	May 6, 2021