Hi,
fuzzybabybunny:
Ack, so I'm sitting here and another thought came up.Do you need to worry about using pullup or pulldowns on outputs?
I have digital pins controlling a relay. Is it possible for random environmental fluctuations to cause a digital pin to output a high voltage and cause the relay to inadvertently actuate? Would it be necessary to add a resistor to make sure the voltage is always at 0V unless commanded to output?
No, the outputs are driven HIGH to 5V and driven LOW to 0V, so no need for them.
Tom.. 