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doncityz · 06-09-2011, 08:17 AM

You can also make such driver from 555 timer. no programming needed. though im not sure how many transistors it can drive. but base current normally is tiny, so it is possible to drive a lot of transistors to power up LEDs.

06-09-2011, 08:17 AM	#11
doncityz Planted Tank Enthusiast (View User Tanks) PTrader: (0/0%) Join Date: May 2011 Location: Where Trumpet Snails Came From Posts: 755	You can also make such driver from 555 timer. no programming needed. though im not sure how many transistors it can drive. but base current normally is tiny, so it is possible to drive a lot of transistors to power up LEDs.