Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options questions only not deleted user 3786

This tag is for questions regarding powering and/or power consumption of Arduino systems.

3 votes
1 answer
5k views

Curious: What would happen if you connect 5V and GND port directly with a wire

Has anyone ever accidentally or inadvertently connected connected the supply port with the ground port with a wire? Does Arduino provide internal safety to prevent the circuit board from shorting ou …
Fraïssé's user avatar
  • 905
9 votes
2 answers
22k views

Why does an Arduino UNO need two GND ports?

I have really bad eyesight, so whenever I plug in the power wire and the GND wire I always double check if I'm actually plugging in to the power port not one of the two GND ports. …
Fraïssé's user avatar
  • 905