On Demand WC Fan Using 555
on Friday, April 26, 2013
In most WCs with an extractor the fan is connected to the lighting circuit and is switched on and off either in sympathy with the light or with a short delay. Since toilets are sometimes used for washing the hands or just for a quick look in the mirror, it is not always necessary to change the air in the smallest room in the house. The following circuit automatically determines whether there
Subscribe to:
Post Comments (Atom)
0 comments:
Post a Comment