Seasonal? Maybe.
 

In keeping with the occasion (albeit somewhat late - the server lost my
previous posts), here's something for lighting up the Jack O' Lantern.

Most of the components are mounted directly on the negative end of the AA
cell. A stiff wire soldered to the positive nipple is used to stand the
light up inside the pumpkin.

With a teaspoon of water inside the pumpkin to improve conductivity, enough
current will flow when the open end of the 220k resistor touches the surface
to light the amber LED to 30mA. Used 10 hours on Hallowe'en night, an
alkaline cell should last 3-5 seasons.

QS
My LED circuits: http://quantsuff.com

Seasonal? Maybe.
 

On Thu, 1 Nov 2007 13:31:28 -0400, "Quantsuff"
wrote:

In keeping with the occasion (albeit somewhat late - the server lost my
previous posts), here's something for lighting up the Jack O' Lantern.


WOW! That's incredibly cool.

Not just the circuit, but the concept, too. Also, that's some
excellent pumpkin carving. Is that John Lennon I see?

Thanks for posting.

Tom

Seasonal? Maybe.
 

"Tom2000" wrote in message
...
On Thu, 1 Nov 2007 13:31:28 -0400, "Quantsuff"
wrote:

In keeping with the occasion (albeit somewhat late - the server lost my
previous posts), here's something for lighting up the Jack O' Lantern.


WOW! That's incredibly cool.

Not just the circuit, but the concept, too. Also, that's some
excellent pumpkin carving. Is that John Lennon I see?

Thanks for posting.

Tom

Thank you.

The stencil can be found at
http://www.fabulousfoods.com/holiday...umpplans2.html. I just
zoomed the image on the monitor and traced the outline. I also did Buddy
Holly but it did not turn out well at all.

Here's a closeup below.

QS

Seasonal? Maybe.
 

On Fri, 2 Nov 2007 13:14:40 -0400, "Quantsuff"
wrote:


The stencil can be found at
http://www.fabulousfoods.com/holiday...umpplans2.html. I just
zoomed the image on the monitor and traced the outline. I also did Buddy
Holly but it did not turn out well at all.

Here's a closeup below.

QS


Thanks again, Quantsuff. I'll keep this on file. I haven't carved a
Jack O'Lantern in years, but maybe I'll give it a try next season,
following your inspiration.

Very cool stuff!

Tom

Seasonal? Maybe.
 

Tom2000 wrote:
On Thu, 1 Nov 2007 13:31:28 -0400, "Quantsuff"
wrote:


In keeping with the occasion (albeit somewhat late - the server lost my
previous posts), here's something for lighting up the Jack O' Lantern.



WOW! That's incredibly cool.

Not just the circuit, but the concept, too. Also, that's some
excellent pumpkin carving. Is that John Lennon I see?

Thanks for posting.

Tom



You should have seen "Double Dee" he posted
last year (?). :-) :-)

Ed

Seasonal? Maybe.
 

"ehsjr" wrote...

You should have seen "Double Dee" he posted
last year (?). :-) :-)

Ed

I was concerned that the Feds wanted some sort of safety labelling: do you
know where one can get signs that read, "Danger: Low Voltage"? :P

Still have that creation of yours?

QS

Seasonal? Maybe.
 

Quantsuff wrote:
"ehsjr" wrote...

You should have seen "Double Dee" he posted
last year (?). :-) :-)

Ed


I was concerned that the Feds wanted some sort of safety labelling: do you
know where one can get signs that read, "Danger: Low Voltage"? :P

Still have that creation of yours?

QS



:-) Yep. How did you draw the "seasonal" schematic on
the image?

Ed

Seasonal? Maybe.
 

"ehsjr" wrote in message
news:95SWi.174$bm.2@trndny08...
Quantsuff wrote:
"ehsjr" wrote...

I was concerned that the Feds wanted some sort of safety labelling: do
you know where one can get signs that read, "Danger: Low Voltage"? :P

Still have that creation of yours?

QS

:-) Yep. How did you draw the "seasonal" schematic on
the image?

Ed

Can you post a pic of it again?

For the circuit imprint, start with a 'negative' (white on black) image of
the schematic and 'OR' it to the base image. A breeze with Photoshop, but
doable on Thumbsplus, which is what I used.

QS

Seasonal? Maybe.
 

Quantsuff wrote:
"ehsjr" wrote in message
news:95SWi.174$bm.2@trndny08...

Quantsuff wrote:

"ehsjr" wrote...


I was concerned that the Feds wanted some sort of safety labelling: do
you know where one can get signs that read, "Danger: Low Voltage"? :P

Still have that creation of yours?

QS

:-) Yep. How did you draw the "seasonal" schematic on
the image?

Ed


Can you post a pic of it again?

For the circuit imprint, start with a 'negative' (white on black) image of
the schematic and 'OR' it to the base image. A breeze with Photoshop, but
doable on Thumbsplus, which is what I used.

QS



Got a couple of old pics. Here you go...

Ed