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Raspberry Pi Forum How would I program a coin acceptor?(raspberry pi)
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  • raspberry
  • pi
  • coin
  • slot
  • arcade
  • raspberry_pi
  • acceptor
  • cabinet
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How would I program a coin acceptor?(raspberry pi)

barney_bear2002
barney_bear2002 over 10 years ago

I want to make a raspberry pi arcade cabinet but I don't know how you would have it to only allow the user to place their game of choice when they have paid, and to let them play more than once if they pay more than necessary

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  • balearicdynamics
    0 balearicdynamics over 10 years ago

    I have developed a complex prototype for the coin accepting and programming, interfacing micro controllers on vending machines (including games machines). There are two different approaches: a complex coin acceptor that includes a simple yet ancient electronic based on a sort of high voltage serial protocol that is the MDB protocol and a simple mechanism that just accept the coin, identify it and do something, like starting a timer, that is the most frequently options.

     

    About the more complex option take a look to this prototype I have created in 2014 https://youtu.be/fp5EP46eRMs

     

    About the simplest way, that it is what I suggest instead, there are two options, as far as what is my experience. I bought some of these coin acceptors from China for very few $ (between 15 and 25 depending on the model), and if you need I can give you the contact or import for you at not overcharge. The first version I tried was the most complete as shown in the image below:

    imageimage

    It is simple to program and almost easy to use, but I have discarded it for custom applications: it is too much a "finished product". The better use for this device is in Hotels for pay-per-use washers with a relatively wide set of time programming options.

    Then I bought the following, that is more interesting, can fit in any customisation and has the advantage of a more understandable electronics (the producer got me a good support).

    image

    This second one (see the image above) has the advantage that the coin size and programming is very easy and is done independently by the control logic;. On the top right of the mechanical coin acceptor you see a sort of plastic clip with a coin. That's all: you put the desired coin there and the machine accepts only these coins image

    The logic instead has a 4 characters 7-segments display for the user sire and a small board withe a programmable set of buttons: can be programmed on time or on infinite time for state changes. So, I have already explored the possibility to connect a micro controller board in parallel to the three programming buttons, the output signals and the activation relay to hack and get any signal that is needed to reprogram automatically the board "on the run".

     

    Enrico

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  • balearicdynamics
    0 balearicdynamics over 10 years ago

    I have developed a complex prototype for the coin accepting and programming, interfacing micro controllers on vending machines (including games machines). There are two different approaches: a complex coin acceptor that includes a simple yet ancient electronic based on a sort of high voltage serial protocol that is the MDB protocol and a simple mechanism that just accept the coin, identify it and do something, like starting a timer, that is the most frequently options.

     

    About the more complex option take a look to this prototype I have created in 2014 https://youtu.be/fp5EP46eRMs

     

    About the simplest way, that it is what I suggest instead, there are two options, as far as what is my experience. I bought some of these coin acceptors from China for very few $ (between 15 and 25 depending on the model), and if you need I can give you the contact or import for you at not overcharge. The first version I tried was the most complete as shown in the image below:

    imageimage

    It is simple to program and almost easy to use, but I have discarded it for custom applications: it is too much a "finished product". The better use for this device is in Hotels for pay-per-use washers with a relatively wide set of time programming options.

    Then I bought the following, that is more interesting, can fit in any customisation and has the advantage of a more understandable electronics (the producer got me a good support).

    image

    This second one (see the image above) has the advantage that the coin size and programming is very easy and is done independently by the control logic;. On the top right of the mechanical coin acceptor you see a sort of plastic clip with a coin. That's all: you put the desired coin there and the machine accepts only these coins image

    The logic instead has a 4 characters 7-segments display for the user sire and a small board withe a programmable set of buttons: can be programmed on time or on infinite time for state changes. So, I have already explored the possibility to connect a micro controller board in parallel to the three programming buttons, the output signals and the activation relay to hack and get any signal that is needed to reprogram automatically the board "on the run".

     

    Enrico

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    • Vote Up +2 Vote Down
    • Sign in to reply
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    • Cancel
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