From: Dave Hylands <dhylands@gm...> - 2008-01-30 04:41:36
> Thank you for your answer. The absolute maximum is 5mA, but I think it is
> not recommendable to force the chip to the those ratings. Do you use a more
> conservative limit? I am trying to use a GPIO to turn on a 1mA led.
I think that driving a 1mA LED would be fine.
Anything upto 5mA should be fine. Most LEDs are around 10-15 mA. Of
course it all depends on the resistor that you use. A typical LED
drops about 1.4v. So you'd need a resistor of at least 1900 ohms.
Vancouver, BC, Canada