The bathroom fan timer switch had been one of my very first electrical installations. I had watched skilled electricians "rough in" wiring, stringing wires through walls and ceilings.

It replaces the wall switch which normally controls these fans by converting the fan connection to always be connected to mains. The board draws constant power to keep the ATtiny13 running via a ...

This is an improved version of Anthony Smith’s designs for a latch on/latch off switch (see the whole series below). The new design switches a 120VAC load, and includes several much-needed details on ...

Turn on the bath fan Second, run your bath fans during your bath or shower and for a half hour after to flush out moisture and prevent mold and mildew. Consider adding a timer switch to make this ...

We can either do a conventional fan, which you'll typically see whether it be a 10x10 square, give or take, or one of the large round ones, cuts into the ceiling, has the ductwork come up and vent ...

If a switch in your bathroom controls not only the fan, but also the lighting, SmartExhaust™ can easily take its place and assume control of both functions. It's a clear-cut upgrade, not a ...