AVR-Chat

Tom Becker wrote:
>>... The circuit can be simpler if separate LEDs are used...
> 
> Far simpler than that, in fact.  Two base resistors, one driving an NPN 
> base, LED and current-limiting resistor, and one pulling down a PNP, LED 
> and current-limiting resistor.

Already thought of that. With the AVR pin high-Z, base current will drain
out the pnp base and into the npn base, switching both leds On.