Voltage on digital 12,11 etc

Forum 2005-2010 (read only) Hardware Troubleshooting
#1

Hi,

I only get voltage 5v on digital pin 13, all the rest of them show me 2V. Board is externally powered through 12V 500mA AC-DC adapter, any ideas why?

-J

#2

Nevermind I found the problem, should have set correct pinMode.

#3

yep that would do it

#4