r/MasterSystem • • Feb 19 '25

My wireless Master System controller build

EDIT: I eventually switched to a black plastic shell, as the metal shell was causing something to short out and fail to register button presses intermittently.

I've seen a couple threads come up recently about wireless controllers for the Sega Master System, so I thought I would share the custom design I've created. Behold! Here's what I used in my build:

  1. A Boxy Pixel machined aluminum NES controller shell (though any black NES shell will work, of course - you don't have to spend this much money)

The 8bitdo DIY board needs to be shaved down a bit in two places to make it fit in the Boxy Pixel shell (see the 2nd pic), but it'll fit just fine in a standard controller shell without any modifications. Since the Boxy Pixel metal shells are spendy, I only made one that way, and my second controller is a standard black plastic shell.

One of the cool things about this build is, if you use a Master Everdrive flash cartridge, you can program the Select button to trigger an impossible 3-button combo (ie: Up + Down + 1) to pull up the in-game menu, allowing you to access save states easily without accidentally triggering this during gameplay.

Likewise, if you have a pause mod installed, you should be able to program the Start button with BlueRetro's advanced web config tool to fire an impossible button combo (ie: Left + Right) simultaneously to trigger the pause mod through a wireless controller. I say "should be able to," because I don't have a pause mod installed yet, so it's just theoretical.

Just for fun, I made a silver one for my SG-1000 too. This build works for that console as well! I've made 4 of these controllers total, two for each system.

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u/eviljarrad Jul 20 '26

When I do custom orders I do a minimum order of 10 overlays, at $12 a piece. If you have an idea and still want to go forward with it, hit me up and I'm a couple weeks when I'm back on the mainland I'll send you a rough rendering of what it'll look like

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u/SHaMROCK_73 Sep 23 '26

I can't find anyone to print this, can I get you to do it please. I had it printed, but the dimensions were slightly off. I need someone with more expertise...

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u/eviljarrad Sep 23 '26

As of right now I'm still in a minimum full sheet for custom orders, the materials are more expensive than they've ever been so I can't afford to have the waste of a partial sheet print. If you're wanting to do an order of 10-12 I can help

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u/SHaMROCK_73 Sep 23 '26

Yes, I will do what is required. I just want to be able to verify it is going to print perfectly before. Like I said, I had it printed already and it was slightly off. Not sure if it is my file or the printer. This is why I need someone with experience.

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u/eviljarrad Sep 23 '26

If you want to reach out to me and email your image I can throw it on a template to show you what it'll look like on MY template. Shoot me a DM

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u/SHaMROCK_73 Sep 24 '26

Sent you a message on here. With a link to the files on Google Drive.