On May 14, 2005, at 8:26 PM, wbounce wrote: > You resistor value seems high. > I use a 300 - 330 ohm resistor because a led needs 15 mAmps. Ie 5V/ > 330 > = .015 amps There are a number of LEDs that will work fine on 2 mA. Also don't forgot to subtract the forward voltage drop of the LED from the supply voltage when calculating current. Mike
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Re: [AVR-Chat] Blinking leds on PortA and PortB - ATmega163
2005-05-15 by Mike Murphree