Hey, i'm wating to drive about 20 Leds from a output on the arduino using 2 LM3914. Problem is I don't really understand the wiring or which equation relate to what. Which resistors i change and what that effects. I would rather understand than just be told if possible. I have a 12V supply and ca…

LM3914 with arduino. Wiring and explaination.

system December 16, 2010, 11:17pm 7

ok so 3 pins and stackable.
Sounds like a good comprimise to me
Thanks Rob

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