The trickier part was getting the original bells to work — in North America, it takes up to 90 VAC to get a phone’s ringer going, which is quite a bit more than the lowly Arduino can handle.

Does anyone know of a timer that can turn AC outlets on/off on a 14-day cycle? I haven't seen any timers that run more then 48 hours. I'm noodling various ways to automatically air-gap my computer ...