Maker Pro
Maker Pro

Another timer thread

Doomed

Sep 29, 2010
2
Joined
Sep 29, 2010
Messages
2
I'm a middle aged sparky who in his youth used to mess with electronics.

This has become known to my employer :(

I now have to set up a halloween castle with sounds and light and a smoke machine.

I'm happy with most of it, except the activation of the smoke machine.

The machine is presently activated by a manual push button.

I wish to replace the push button with a relay that is triggered for 5 to 10 seconds every approx 15 minutes.

Could some kind person please help me out with a componant list and a circuit diagram.

P.S. I have 12v and 4.5v (1000mA) DC transformers lying around in abundance, so if I could utalise these?
 

KMoffett

Jan 21, 2009
723
Joined
Jan 21, 2009
Messages
723
Does the current pushbutton arrangement require that the button be held in for 5-10 seconds, or is it just pushed momentarily to start the display?

ken
 

shrtrnd

Jan 15, 2010
3,826
Joined
Jan 15, 2010
Messages
3,826
Sounds like a job for a TDR (Time Delay Relay).
You can find any set time interval, or variable selection time interval, that you want.
 

Doomed

Sep 29, 2010
2
Joined
Sep 29, 2010
Messages
2
Does the current pushbutton arrangement require that the button be held in for 5-10 seconds, or is it just pushed momentarily to start the display?

ken

You have to hold it in for the time required, hence why I said between 5 and 10 seconds because at the moment there is no accurate timing going on.
 
Top