Many projects: Halloween decorations

Discussion in 'The Completed Projects Collection' started by tom66, Nov 3, 2010.

  1. tom66

    Thread Starter Senior Member

    May 9, 2009
    For halloween, I made some decorations. I'm only posting now because I managed to get the pictures off the camera.

    The first decoration consisted very simply of an LED and a coin cell. You can pick up a pack of 12 coin cells (CR2032 3V lithium) on eBay for around £4. I now have 36 coin cells. More than I should even need.

    The simplest way of using these is to get a small 5mm LED and place the LED's longer leg on the positive terminal and the shorter leg on the negative terminal. The battery limits the current so there is no need for a resistor. The LED and battery combination is held together with some tape. You now have a small indicator light which will go for about 1 week. I made around 8 of these using various different LED colours. I had some high brightness 6.3mm LED's with a diamond lens and these looked really good even running off the small battery.

    I also experimented with attaching two LED's to each battery. I made some rats (using some fake sewer rats bought at a local shop) with glowing eyes using this. I think these were the best of the decorations - they creeped several people out.

    And, to top it off, I made a 555 astable flasher for the pumpkins. The timer was assembled on one breadboard. Wires ran from the main "controller" pumpkin to the second pumpkin to light it up. The whole lot was powered from a 9V battery. 24 hours later, when I went to retrieve the pumpkins, the battery voltage had dropped to a mere 4V, but the pumpkins were still flashing (though not as bright.)

    Schematics and pictures attached. I hope to have a video up soon.
  2. Wendy


    Mar 24, 2008
    I have a whole bunch of 555 circuits, some are almost 20 years old. Basically a pair of red LEDs on a small breadboard (perfboard). I deliberately didn't use a standard set of values, everyone has a different duration. I fill the bushes up with them, so you have a bunch (a large bunch) of red eyes looking out from the bushes. I call them bush goblins.
  3. tom66

    Thread Starter Senior Member

    May 9, 2009
  4. Boo


    Oct 27, 2009
    Love the rats!
  5. loosewire

    AAC Fanatic!

    Apr 25, 2008
    Did you set the bricks,good work.
  6. R!f@@

    AAC Fanatic!

    Apr 2, 2009
    what do guys do in Halloween...

    All I know is what I seen on movies, and they are horror.
    Do u guys celebrate murdering people on Halloween?
  7. tom66

    Thread Starter Senior Member

    May 9, 2009
    Uh, no, I didn't.

    Haha, yep, that's what we do!

    Wait, no... it isn't. It's just a fun holiday where everyone dresses up, usually as some kind of horrible thing: zombie, ghost, axe-murderer, whatever - then people go "trick or treating", getting sweets from neighbours and friends. I have to say our house was the only one which had a pumpkin!
  8. Georacer


    Nov 25, 2009
    Here, overseas, we don't have the Halloween holiday. Thankfully the american culture hasn't affected us that much.

    However, specificaly in Greece, we have a 3-day holiday sometime in February that involves dressing up, fireworks and pranks. It is a remnant of ancient pagan cultures.
  9. R!f@@

    AAC Fanatic!

    Apr 2, 2009
    Our Eid holidays are coming and me, wify & god kid will be going to an island to spent the holidays and have a bit of fun.

    U guys wouldn't believe the type of fun we have on Eid holidays..

    I will show u all with a lotta pics of my vacation.
    I will be leaving next Sunday. It will be a 6hr journey by sea..

    AAARGH!!. I hate traveling by sea. I mean slow sailing. Makes me sea sick. I enjoy high speed ones but are expensive. I have to look after the ladies u know.

    So for all of u guys ...Happy Halloween....
    And for us, it is...Eid Mubaarik.

    Please post all ya halloween pics and I will show u something U have never seen in ur lifetime Cause Only handful of tourists must have seen the Eid festival closeup.
    I will show u my Eid Festival straight from the source
  10. nerdegutta


    Dec 15, 2009
    This is kind of cool:

    It is not mine thou... The kids in my neighborhood, ring the bell on my door, and say:"trick or treat". I usually answer trick, and then they look at each other and say "darn, then we have to leave, 'cause we haven't prepared a trick." So I feel bad and give them some popcorn, and maybe an apple.

    Next year I plan to hook a big horn on to the doorbell, and a camera. So I scare them a bit, and take a picture. Could be fun... :)
  11. loosewire

    AAC Fanatic!

    Apr 25, 2008
    Who dressed up,any Forum members,what
    were you.
  12. thatoneguy

    AAC Fanatic!

    Feb 19, 2009

    Love the YouTube error message:

    Code ( (Unknown Language)):
    2. [B]500 Internal Server Error[/B]
    4.  Sorry, something went wrong.
    6. A team of highly trained monkeys has been dispatched to deal with this situation.
    7.  If you see them, show them this information:
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  13. tom66

    Thread Starter Senior Member

    May 9, 2009
    I get that from time to time. I've tried to decode that message with no avail. It looks like Base-64, but it isn't really.