Hi guys. I have a question. Should I connect a button like this? Is it safe for other modules and for the Arduino? The button works in serial Can you help me with this issue, please? [Screenshot_10]

[image] sierrra1: What if I connect that way (in that screenshot) In a pinch you can wire the switch like in your diagram in the original post. Set one pin to output and write it LOW. Set the other to INPUT_PULLUP. When you read the input, the input will be HIGH for a switch that is not pr…

Button without ground and 5v

Other Hardware General Electronics

sierrra1 September 21, 2021, 10:50am 6

What if I connect that way (in that screenshot)
What if I connect two modules in ONLY ONE ground by soldering them in one ground? (Will it be safe for Arduino and modules?)

Topic		Replies	Views
A matter of where to hook up to ground. General Guidance	3	1828	May 5, 2021
Does it matter to which ground pin I connect my components? General Electronics	10	20220	May 6, 2021
Button, why a connection to ground? - Noob questions General Electronics	23	18573	May 6, 2021
ground and pin wire General Guidance	13	1484	May 5, 2021
Arduino Pro Mini - GND question General Guidance	5	1905	May 5, 2021

Button without ground and 5v

Related topics