Hi there Arduino Addicts! Hardware & Programming/code question RE: LEDs I've a sculpture that currently lights up using 4 pre-made LED boards. Each board has 16 LEDs with resistors inbuilt and runs off 12 VDC and approx 250-300 mA of current. I power all 4 boards using a regulated 12 VDC, 1.66 Amp…

4 LED 'bars' with fade in, on for 20 secs, f/out?

Forum 2005-2010 (read only) Hardware Interfacing

system November 16, 2007, 1:12am 3

Classic !
Thanks Cheater - it's good to know that I might be on the right track with PWM & transistors (I only discovered what PWM was yesterday)..
Rich

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4 LED 'bars' with fade in, on for 20 secs, f/out?

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