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Makers and Making: Coin Segregation design - Need Help
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Nov 22nd 2012
hey Guys... Need your advise on this.
from coin slot to coin segregation, so what do you think?

- I plan on using ARDUINO UNO
- Mainly i have thought of 2 Designs on how to do the separation of coins when it comes out of the coin slot. I have included images so you can see the my ideas.

- for the 1st one (three shutters in alignment with the path of the coin), when a specific coin is detected the corresponding shutter will open.
- for the 2nd one (using One Motor), when a specific coin is detected it rotates to a specific and programmed angle.

- p.s. it would be most efficient if anyone can suggest how can i make the shutters in the first design reverse rotate to set it back into position.
- What do you think is more Economical, Efficient, and above all much easier to do of the two?

- Need your suggestions/advise/comments/recommendations on this. What do you recommend on the 2 designs?
- if so, what motors can i use?

(1st)
http://www.instructables.com/files/deriv/FOB/H6E8/H9T4PUCV/FOBH6E8H9T4PUCV.LARGE.jpg
(2nd)
http://www.instructables.com/files/deriv/F2G/A1TM/H9T4PUCW/F2GA1TMH9T4PUCW.LARGE.jpg
Nov 23rd 2012
Why use shutters at all? For simple separation, you could just use slots of increasing size; the coin rolls down a ramp and falls into the first slot into which it fits.
Nov 23rd 2012
I agree with the previous message - slots to trap different coin sizes is probably the simplest.

Unless you want to build this just for the fun of building it, Adafruit sells a coin acceptor that works with the Uno out of the box. Its cost is probably not that bad compared to the trial and error that you might go through in building one. (But the design and build is probably more fun.)
Nov 23rd 2012
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Nov 23rd 2012
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Nov 26th 2012
Thanks for the replies/comments/suggestions. I would like to do it mechanically but there is a limit to the number of coins inserted and any further coins inserted in the system will be moved to an extra case. If using the first design what will happen is if the specified number of coins has been reached for each type of coin the slots will not open, guiding the extra inserted coins down to an extra case. Our currency has 3 Types of Coins, hence the 4 pathways in the second design.
Also in that 3 types of coins, 2 of them are similar in size.

Thanks!
If you have any other comments please do post
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