3d printed Coin Sorting machine with Arduino/ 280 coins per minute / Download all files
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- čas přidán 20. 05. 2023
- With this coin counting machine you can count your coin jars in no time. The sorting is done by the size of the coins. I designed the ejection chute for euro coins (10c, 20c, 50c, 1E, 2E) and for dollar coins (dime, cent, nickel, quarter, dollar). Unfortunately, due to the lack of dollar coins, I could not test it. A motor driven disc transports the coins into the ejection channels. When they fall in, they are detected by an infrared sensor. The evaluation is done by an Arduino. The counting process looks relatively simple. But there are some things to consider to get a clean counting process. An important parameter is the angle of the base plate. This was determined empirically by me. Another important factor are the recesses in the turntable. These must have the correct shape to transport the coins into the ejection channels. Other points are the speed of the turntable and the number of coins in the turntable. Since the infrared sensors react to ambient light, it is important to operate the machine in constant light conditions.
For more information check out my website: fraensengineering.com/
You can download the files here: fraens.etsy.com/at/listing/14...
or here: cults3d.com/de/modell-3d/werk...
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If you want to support me: paypal.me/FraensYT - Věda a technologie
Great design and video edition! Congratulations!
Great project! Keep it up! :)
Cool Project
Well done
What a beautiful design, as always! Maybe a nuts and bolts sorting machine next time?
A screw nut sorting machine would be a great idea. I did a quick search on CZcams. I think this would be a good and useful topic. Thanks for the idea. Comes on the DoTo list ;-)
I guess it can also be reversed into a dispenser with little modifications
Echt gut gemacht! Respekt!
Vielen Dank!
Hey bro, about the cigarrete machine. Can you make one for me?
Thanks for sharing
Did you consider using hall effect sensors to detect the coins?
Hello, Hall sensors unfortunately only detect magnetic parts.
@@FraensEngineering yeah, but arent wening mechines using coiles and megnetic fields to check coins as well ? a very weak magnet on one side and hall effect sensor on the other should give a signal, once a coin falls between them right ?
You are right. That's how it should work.
But you have to make sure that the coins do not stick to the magnet.
I'm looking for a ai powered coin sorter that would help look at the coins by date size to look for coins that could be a collector coin doing it by hand is so tedious
Hi, this is a cool idea. I think you would need a solution using a camera system. But it could be difficult with dirty coins. It would also be interesting to look for coins with minting errors. In my town there is a big company that produces transformers. This controls the copper wires by means of camera system on errors.
In the company where I work, glass is sorted by color using a camera system. A lot of things can be done with this. I have a Raspberry Pi HQ Cam at home. This works very well. There are libraries with which something like this should be possible.
@@FraensEngineering could pass it through 2 cameras one on top and one underneath and maybe lidar to 3d scan the coins any unrecognizable ones get kicked to a separate chute for review sorting through 20 vers 100 is way better and it can sort out the potentially more valuable one for review
hi beatifull project i buy and download project but you dont say what is your power supply
Hello, I used my adjustable laboratory power supply for my prototype. But it should provide 500mA.
thank you @@FraensEngineering i make it actually
Nice machine, can you make a flexo printer machine?
Hello, what is a flexo printer machine?
@@FraensEngineering It is a machine that uses ink to print on different materials such as plastic, paper, etc. It is similar to an offset printer. flexography. en.m.wikipedia.org/wiki/Flexography
Looks complicated. I think such a thing is not so easily built in the basement ;-)
There are several errata. Let me explain:
At 1:53, you show a different piece than the one that is included, which a couple seconds later, you show the revised piece. Why did you not update your pdf and svg files?
In your BOM, you list a LCD that you didn't even use in your project. The STL has the hole alignments incorrect, so I had to glue in my LCD
In your BOM, you do not list all of the parts needed to assemble this. Where are your 1K resistors? Where is your protoboard?
Where is the SVG file for the labels you cut out at 6:10?
Where is your wiring schematic in the folder with all the other files? Luckily it was in this video
The L298N, you have the connections that need to be made, ENA, IN1, and IN2. In the video, you wires to IN1, IN2, and IN3. There is no mention that when going over 12V, you need to remove the jumper from the L298N.
You made an STL piece for US currency, but the code is still in Euros.
Where is the STL for the wire holder pieces seen at 4:16?
Hello Alex,
Regarding point 1: I have updated pos.3 and added the holes that are in the acrylic plate. The parts should now fit. You can download the parts here: drive.google.com/drive/folders/1e6vORNXK1Bi0EtlC6un0X7DAbClQScZx?usp=sharing
It often happens that I film something and afterwards it turns out that it does not work that way. Then I construct the part differently and rebuild it without filming. Thus it can happen that video and reality deviates somewhat from each other.
To point 2: The display I used is an older one that I had at home. Unfortunately, I have the same on Amazon no longer found. I will order the linked display and adjust the acrylic base plate.
To point 3: I added the breadboard and the resistors to the parts list.
To point 4: I added the files and they are now in the download.
To point 5: I added the schematic and they are now in the download.
To point 6: I have added a link in the parts list. You have to read in a little bit with the H-bridge. I did not show that very well in the video, you are right.
To point 7: Yes that is correct. But I think you should be able to rewrite the code to Dollar if you build this machine. Unfortunately I don't have access to Dollar. That's why I couldn't test the ejection channels.
To point 8: You are right. The part was missing. I uploaded it under the name "cable clamping".
To point 9: I am very sorry that it did not meet your expectations. I have now revised all the points you mentioned.
Basically I think open source is a great thing. But you have to understand that such projects need hundreds of hours of development work. It requires a lot of know-how and investment to build something like this. I don't earn any money on my projects. I am happy if I can somehow cover my costs. I would like to continue to make my projects available to the public. That is why it is necessary to ask for a small amount of money. As a child I built many of the Revel kits. These cost quite a bit compared to a fully functional machine that I build today.
I hope you can understand that.
With kind regards.
@@FraensEngineering Thank you for replying and adjusting the files. I apologize, when I first wrote my comment I was not in a good mood. I edited my original post so it didn't come off as aggressive.