From: Tim Hubberstey
Organization: Marmot Engineering
X-Mailer: Mozilla 4.79 [en] (Windows NT 5.0; U)
Subject: Re: looking for simple AC timer for a lamp ( turn on manually ->
30-minute - 1-hour delay -> auto-turnoff)
Date: Sun, 03 Nov 2002 05:29:27 GMT
NNTP-Posting-Date: Sat, 02 Nov 2002 22:29:27 MST
Sanjay Punjab wrote:
> I have a desktop light (used for treatment of Seasonal Effective
> Disorder) that I want to connect into some type of timer where I can
> press a momentary switch, the light then turns on and then will turn
> off automatically within a specific time period I set it to (between
> 30 minutes to 2-hours).
> I can't find an off the shelf product that will do this for me and I
> would like to avoid developing a circuit from scratch.
Not exactly what you asked for but very readily available and no
* Get a standard 24-hour light timer - the kind that plug into an outlet
and have "on" and "off" pins that you insert to turn lights on and off
at particular times.
* Set it to have 30 minutes (or whatever) between on and off times.
* Rotate the timer wheel until the light turns on and it will turn off
the specified time later.
Tim Hubberstey, P.Eng. . . . . . Hardware/Software Consulting Engineer
Marmot Engineering . . . . . . . VHDL, ASICs, FPGAs, embedded systems
Vancouver, BC, Canada . . . . . . . . . . . http://www.marmot-eng.com