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Vending Machine II
It dispenses 13 different products, cans, chocolates, popcorn, french fries, and so on. It accepts coins from 0.05 to 2€ and gives the right exchange. More details below!
About this creation
This new MOC comes from my previous work: Smart Candy Machine. Since I have become a member of PLUG, I was encouraged to try a better and bigger one. This time, it’s very developed comparing to the first one!

It took all summer of 2006. But, this project is on my mind a long time ago. The body (where products take place) was virtually built in MLCAD to know what kind and quantity of pieces were required. After building the “brain”, where all coins control is processed, I bought all pieces that were in need to build the body. Then, unfortunately, I destroyed my Ferrari sets, 8653 and 8386, to build the block in the back, responsible to reach each product and dispense it. This way, almost everything is old style, but the back has new style (studless).

Functions:

1 – Firstly, the user inserts the coins, from 0.05€ to 2€, 6 different coins. While processing the recognition of each one, the slot is locked to avoid blockage;
2 – The user digits the number of the product required through a keyboard (1-5). There are 13 different products (total of 57 products) and they’re numbered in three shelves, like this: 11, 12, 13…; 21, 22, 23…; 31, 32, 33…;
3 – If money is not enough, the LCD displays the amount needed for that product. Else, the product is released and the exchange is given;
4 – There is a Return button to return the money of the user;
5 - In the inside of the exchange door, there’s a lamp that is turned on when exchange is given; 
6 – All extra coins are saved in the appropriated box/drawer. These drawers can be open by introducing a code chosen by me and only modified through the NQC program;
7 – If RCX’s stay always turned on, it knows the quantity of each product and each coin reacting well to some incompatibly situations;
8 – There’s also fibre optic just to the aesthetic in the base of the machine where products fall;

Specifications:

Pieces: I would also like to know…
RCX’s: 2
Motors: 8
Lamps: 2 (on the inside of exchange door)
Sensors:
- 1 Rotation Sensor;
- 3 Light Sensors;
- 8 Touch Sensors (6 of them used in the keyboard);
Programming language: NQC.
Special equipment:
- Extra wires (take a look at these instructions : http://www.brickshelf.com/cgi-bin/gallery.cgi?f=187610);
- Strong wire to make snacks spirals;
- Book spirals to save coins for exchange;
- Aluminium band to cover the ramp where coins have to make contact;
- Breadboard and resistances linked to the RCX inputs to identify coins and keys of keyboard;
- 2 acrylic parts, one to the front and the other to the back like a drawer not to hide mechanisms in the main block;
- Some lamps to light up the products.

Any comments or detail questions, contact me @ irmaos_oliveira@hotmail.com



Comments

 I like it 
  November 12, 2013
Dude I love your work
 I like it 
  October 22, 2012
Lovely! Look at my creation and rate it! http://www.mocpages.com/moc.php/328869 You can contact me on Facebook: https://www.facebook.com/GabrieleZanello E-mail: zanellog@live.com
 I like it 
  May 12, 2011
could you use 1 NXT v2.0 instead of 2 RCX'S anyway this is GREAT!!!
Ricardo Oliveira
 I like it 
Commander Neyo unit 8867
  September 1, 2010
How does it despensce the product?
Ricardo Oliveira
 I like it 
Captain Connor Patterson
  September 1, 2010
Ditto.
Ricardo Oliveira
 I like it 
Harrison H.
  September 1, 2010
Dude, if you saw how many legos were in my room, this would fit in perfectly.
 I like it 
  September 1, 2010
This is amazing how did you get moc of the day?
 I like it 
  September 1, 2010
Oh.....My.....GAWD.
 I like it 
  September 1, 2010
I once saw a printer made out of lego on the news once and I thought that was impressive. But this my friend, this blows that completely out of the water!!! The size of this build, as well as the fact that it actually works is simply amazing. You sir, are awesome. Good day.
 I like it 
  September 1, 2010
Impresive
 I like it 
  September 1, 2010
Sei un genio!!
 I like it 
  September 1, 2010
Oh my god! This is amazing! At first I thought you made it to look like a vending machine, but then I realized that it is real.
 I like it 
  September 1, 2010
Wow, omigod, wow... holy <censored>, wow... oh my god, that is good...
 I like it 
  September 1, 2010
AMAZING! 5/5! check out my mocs!
 I like it 
  September 1, 2010
WOW. JUST. WOW.
 I like it 
  September 1, 2010
I've never seen any Lego build that was so utterly - capable! Five stars, this is fantastic.
 I like it 
  September 1, 2010
epic! congrats on moc of the day
 I like it 
  September 1, 2010
Aw, sweet!
 I like it 
  September 1, 2010
Awesome build, this thing is amazing! Congrats on MOTD!
 I like it 
  September 1, 2010
Simply amazing! And congrats on MOTD:)
 I like it 
  September 1, 2010
awesome i want one! great job man
 I like it 
  September 1, 2010
Wow! Nice work dude! If i saw this in a store one day, I would probably die of amazment. 5/5!
 I like it 
  September 1, 2010
amazing!
 I like it 
  September 1, 2010
Wo! really good job man.
 I like it 
  September 1, 2010
EPIC!
 I like it 
  September 1, 2010
njum... tasty ... the mechanism is awesome!!!
 I like it 
  September 1, 2010
That, everybody, is what's known as a win. I bet Phipson wants one...
 I like it 
  September 1, 2010
Woah
 I like it 
  August 22, 2010
WOW, This is Amazing!! I really like your Vending Machine.. Can you get one in our school?? Hupie Vuurzoon
 I like it 
  July 1, 2009
Amazing, they should put these in LEGOland!
 I like it 
  May 6, 2008
wow. i wanna join a lego club! :(
 I like it 
  December 18, 2007
Man, how did you build this thing. This is one of the best LEGO creations I have ever seen. For me it would take my whole life to build it.
 I like it 
  June 2, 2007
Wow!
 I like it 
  May 28, 2007
Is this one the daddy of the Smart Candy Machine? It is so cool
 I like it 
  April 21, 2007
I always wonder how people make those... I'm not gonna even bother with this one! It's soo assasome!!
 I like it 
  January 31, 2007
i understand if you cant but it would be great if you got some instructions for it. this the most impressive lego creation ive ever seen. thanks!
 I like it 
  January 30, 2007
Nice technic work..
 I like it 
  January 30, 2007
__Amazing, if i could i would give you 6 faces out of 5__
 I like it 
  January 30, 2007
this is truly AMAZING i mean the whol programming of both your vending machines just stuns me...have you ever considered proposing these to legoland theme parks? they would agree 100% (unless you already do ;) ) anyway...congratulations on all levels i m just amazed....damn am i amazed! wow i m not gonna sleep! ;) but also because i have lots of work^^
 I like it 
  January 30, 2007
Whoa! You really can build anything with Lego! Anyway, nice work!
 
By Ricardo Oliveira
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