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Powering Backlit Buttons - Newbie


flash7713

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Hi all,

 

Brand new at this and probably a stupid question. I'm currently building my first panel - planning to use an arduino board for push buttons and a few rotary encoders etc.

 

I think I understand how to connect the actual button component, but I'm unsure how to power the backlight (built in to the switches). The switches I'm using are these: http://pcflights.com/index.php?main_page=product_info&cPath=46_48&products_id=360

 

I need 23 of them, which would put them over the mAmp limit for output from a Arduino board from my understanding. Do I need to use a seperate power supply or other board to power the light component?

 

Sorry if it's a really stupid question! Thanks in advance!

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