[calculate] rgb leds + sparkfun spi PCB + Arduino

Forum 2005-2010 (read only) General Frequently-Asked Questions
38

HI Julien,

in fact I could need up to 15V.

Would you have a schemactic of how to connect the external supply ??

I've some solutions with PNP/NPN transistors but i'm sure it is much more complicated than needed...

Seb