1. 

   OP

   Mailyfesux Advanced Member

   Newcomer

   3

   52

   Level 3

   Dec 15, 2006

   

   I'm planning on led modding my nds lite but I need to figure out what resistors to use.
   
   Thanks!

    

   #1 Apr 22, 2010
2. 

   Atashi Out of the Loop

   Member

   1

   176

   Level 1

   Feb 4, 2010

   

   Ontario, Canada

   If you grab Vcc at the GBA slot you get about 3.5v nominally. I've put some LEDs in mine, used 3.5v blue surface-mount LEDs that draw 10mA each. I put three of them in, and haven't noticed any change in battery drain. I did not use any resistors at all, just wired them directly from Vcc and ground.
   
   -Atashi

    

   #2 Apr 22, 2010
3. 

   elimist GBAtemp Regular

   Member

   1

   282

   Level 1

   Mar 31, 2009

   

   I think the voltage from the battery is the standard 3.7v you get from a l-ion

    

   #3 Apr 23, 2010
4. 

   OP

   Mailyfesux Advanced Member

   Newcomer

   3

   52

   Level 3

   Dec 15, 2006

   

   It's 3.7 thanks. :]

    

   #4 Apr 23, 2010
5. 

   UltraMagnus hic sunt dracones

   Member

   1

   1,967

   Level 1

   Aug 2, 2007

   

   Portsmouth

   battery is 3.7v
   gba cartridge is 3.3v
   charging connector is 5v
   
   you are probably best off taking it off the gba cartridge connector since that is a regulated supply.

    

   #5 Apr 23, 2010

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