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Adventure Time's BMO: GBC Mod Replica

Step 17Building the controller

Building the controller
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Whoo!  Finally, second to last step of the entire project- building Beemo's wired controller!

Even though Beemo has front facing controls, aside from the Start and Select buttons we already soldered on in the previous step, Finn and Jake rarely use him as a hand held device as opposed to a miniature Television- Wired Remote video game system.  It's sort of funny since a lot of people for Video Game Month have been taking wired systems and making them hand held, I'm doing the exact opposite.

So for Beemo's controller body, I used the second Acrylic Plastic Container to house everything inside.  Next, take your four small push buttons as well as the two long push button switches and arrange them on the electronic circuit board.  The 4 small push buttons should be arranged in the shape of a Nintendo D Pad, and the two longer buttons will be used for A and B.  To recreate Beemo's joystick controller, I ended up taking the D Pad joystic from an old Game Boy Advance Face Mask, which uses 4 different pegs which are used to press against the control pad.  Cut out only the joystick and then measure it against the two plastic red push button caps on the circuit board, making sure you have enough room but it's still small enough to fit within the plastic container housing.

For wiring, connect four wires coming from one of the D Pad's push button leads, while leaving the others separately soldered to each of the 8 insulated wiring.  This will serve as the Ground Wire and Signal Wire, respectively.  Then, do the same for the A and B push buttons, connecting their ground wires together and connecting them back to the D Pad's.

Finally once you are full completed and it fits nicely inside the Acrylic Container, you can begin painting the controller.  I based mine loosely off a NES', so it has gray sides and bottom, as well as a black top section.  Then, Hot Glue the red push button caps to the A and B buttons. 
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5 comments
Apr 28, 2011. 3:22 PMCloud1UP says:
Hi SHIFT! I just want to say that I'm new here and as soon as I saw your Beemo, I FELL IN LOVE WITH IT! I really wish I could make one and am going to try to make a working game boy version. However when reading all the instructions, I can barely understand any of the technical talk! If it comes down to a must, I would also like to maybe purchase one. I mean I want to try myself. I even said to myself that I would buy all the materials and attempt it this summer! But if i fail then I was just wondering if you could also sell another? I am willing to negotiate a price if it's affordable. Please reply.
Apr 29, 2011. 2:12 PMCloud1UP says:
Hi. Thank you for replying. As i said, I am going to try to make my own this summer. If I manage to fit all the wiring in and find all the required materials then hopefully I'll succeed. Thank you anyway though. OuO <- smiley face!
Apr 6, 2011. 7:14 AMamagana says:
Hey, I have a question. Would you be willing to make one of these for sell? I would honestly love one of these but I just don't have the time or patience to make one of these. I'm willing to negotiate a price. Please reply

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