> I am concerned that water from the air may condense on the PCBs and
> cause problems (such as undesirably conducting electricity, and so
> on). Should I be worried about this? If so, what can I do about it?

If you *ABSOLUTELY* must put the controller inside the high humidity shell:

- Seal the controller in its own dry air environment.

- In situations where an item MUST share the high humidity air,
consider the possibility of maintaining the controller at a suitably
higher temperature. This will lower the *effective* RH of air which
comes in contact with it.

- If electronics MUST be exposed to moist air, corrosive atmospheres
etc there are 'conformal coatings available which form a barrir twixt
them and their world. The best ones are very good indeed at doing
this.


                   Russell



>
> Also, are there any other potential problems that I should be aware of
> for running home-made electronic equipment in a high humidity
> environment?
>
> Will a crystal/crystal oscillator deviate enough from it's desirable
> frequency in a high humidity environment to cause serial communication
> issues?
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