(Topic ID: 63297)

Using Arduino to modernize a 1971 EM machine... a Herculean task?

By NicoVolta

8 years ago

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  • 157 posts
  • 38 Pinsiders participating
  • Latest reply 10 months ago by bjmclrn
  • Topic is favorited by 6 Pinsiders


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    #150 10 months ago

    I have completed my em to arduino its is really easy just need to do some wiring and add the bits i used. The tricky part is the LED part i found. It was not the prigramming but remembering what each led address was. next time i will label every 5 LED so when i try to find a specific led its easy. NOTE i do not use any scanning of switches or LED as the arduino has lots of i/o ports. Next stage is to build a backbox, just found score reels so i am ready to go. see bjmclrn arduino for some more info.

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    #153 10 months ago

    Thats the correct link. As for the pin connections they are completely reconfigurable so use whatever suits. As i said now working on a Gottlieb duotron. I am consireding haveing a seperate arduino as the switch controller, although this add a processors it means it would be easy to have a switch scanning matrix as per latter gottlieb machines. I would like to point out this solution is not a replacement for existing Gottlieb solidstate machines but a one off. for updates to existing machines i think there a lot of board options out there. The plan for the future is a single board solution this will reduce the wiring even more, just need to find a whiz kid with pcb design experience to help, will look for kids doing college projects on electronic design must be lots out there. The second arduino which controls the flipper, chimes and knocker works really well, very pleased with that.

    #155 10 months ago

    Great news found my ideal single board solution its called cobrapin the guy has already raised funds so hopfully it will be in production soon. Although i will continue with an arduino IDE based solution. He is using the STM 32 board known as blue pill, i have one and have already loaded the arduino stuff and a slightly modified version of my software. This was the way i was thinking off. Have a look guys i think this could really change the way we can save playfield and have these machines playing again.

    #157 10 months ago

    And it looks as if you can have a number of different solutions. mine will be Arduino based, others will be OPP based plus others. Pays your money and make your choice. I thing mine is the way to go ( i would say that) if you want to have an 1970's em style backglass either with real reels or with a tv like mine. But hey there are some really clever people out there the more the better. Keep up the good work guys who knows the old machines may come back big all we need now are the old biking cafes, coffee and a few beers.

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