Monday, November 12, 2012

Re: [HamBrewers] Power-off delay circuit

 

It sounds exactly like those fan units fitted as ventilators in bathrooms

--- On Mon, 12/11/12, ravimiranda <ravimiranda@yahoo.com> wrote:

I am searching for a power-off delay circuit that works as follows

1. Switch-on activates the equipment and a fan

2. Switch-off switches off the equipment

3. Fan remains on for 2-5 minutes (configurable??)

Used for AC mains (230VAC), switch will be the usual on/off electrical power switch.


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