For example: when a person into the room is the lights will automatically light up for 5 minutes, then five minutes and then someone into the time when the ordinary time relay does not change this time, 5 minutes after the lights or will be exterminated.
I hope that every time someone goes in there are five minutes.
How do i do? Is there a normal time relay with this function? Or mechanical delay switch
Requirements: Do not be too expensive components, such as advanced time relay
In fact, very simple, as long as the direction of action is not considered more simple, in the delay switch plus an infrared detection sensor, extraordinary trigger once, forcing the original delay into a new delay, the general Delay switch is capacitive charging, trigger discharge circuit can be, if it is pulse count type, the reset can be re-count.
Online search a "washing machine 5 minutes dehydration timer", a lot of suppliers.
I want to have five minutes each time someone comes in. How do i do? Is there a normal time relay with this function? Or mechanical delay switch? Requirements: Do not be too expensive components, such as advanced time relay. To
Landlord hope that every time someone into the room when there are five minutes of delay time, this is not difficult, mechanical delay switch is easy to do, my self-made delay switch is a mechanical five minutes timer , Every time someone opens the door into the stairs, there is a minute delay time. Do not know whether this is in line with the requirements of the landlord.
Key This device is low cost
