to this bulb also powers a fan. the fan will always be on at the same time as the bulb but i want to be able to cut the fan power using a single push button if i should be standing near it.
i need a single push button to stop the fan - but 50 minutes later when the bulb comes on again, the fan must run as normal.
i cannot use a toggle switch as there is a danger of me leaving it turned off accidently.
sounds so easy. i know it must be easy to make a single drop out latch using a relay but my head will not get 