164 lines
6.7 KiB
Markdown
164 lines
6.7 KiB
Markdown
[](https://www.paypal.com/donate?hosted_button_id=WT735CX4UMZ9U)
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# BEMANI PSX Adapter - DIY Adapter Tutorial
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USB Adapter for Playstation IIDX and Pop'n Music Controllers.
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Here's a step-by-step guide on how I used to make them
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## Required materials
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### CJMCU Beetle USB
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This is the easiest atmega32u4 to work with thanks to these big USB pads one can solder directly onto
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### PSX to USB or PSX to PS3 adapter
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While not the smallest and easiest to build with, this is the cheapest and most available adapter from Aliexpress etc..
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Feel free to use a bigger adapter if you're worried about soldering with limited space available.
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### Resistor
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Not a lot of power to dissipate, so 0.25W will suffice.
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1K is what's recommended, but 2K, 5K or 10K will work as well.
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Basically take any cheap resistor between 1K and 10K that you can find, it should work
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### Wires
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You need 6 pieces of wire, I recommend using 22 or 24 awg
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### Soldering iron and hot air station
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If available, use hot air and kapton tape to desolder the existing PCB.
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Otherwise you can also use your soldering iron and a desoldering pump or wick.
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### Cutting pliers and wire stripper
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This will be used to prepare wires.
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## Step by step tutorial
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### Step 1: Preparing the adapter
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#### Open the adapter
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Disassemble the adapter by inserting a flat screwdriver above the controller plug and gently twist to separate both halves, exposing the PCB soldered on the connector and USB cable.
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#### Remove USB wires
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Use cutting pliers to remove the 4 usb wires from the PCB.
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#### Remove PCB
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Protect the plastic with Kapton tape and use hot air to separate the PCB from the controller plug.
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#### Clean pins
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Use your soldering iron to clean solder off the pins
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**Congrats, the controller plug is now ready to be used**, now let's take care of the MCU
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### Step 2: Preparing the MCU
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Note: I suggest flashing the code **BEFORE** soldering anything, but if you forgot to flash it, you can always do it later using the usb cable soldered on it
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#### Resistor and wires
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Start with the resistor, place it between pins MI and 5V (top and bottom pins from right side of the MCU), but **DO NOT SOLDER YET**, we need to insert wires into these holes as well:
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- Take your 6 wires, strip one end and insert one of each into **MI**, **MO**, **SCK**, **GND**, **5V** and **A2** pin-holes.
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You can now solder everything on MCU side
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#### USB
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Apply tin to the 4 usb pads
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Then solder the 4 USB wires on them, carefully following the BLACK-GREEN-WHITE-RED order
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When in doubt, use a multimeter to check which pad is in continuity with GND pin, and which pad is in continuity with 5V pin
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### Step 3: Assembly
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Find a way to place both the cable and MCU inside the adapter, with the controller plug set back into place as well
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Then it's time to cut wires to a shorter length (you want the minimum length so that you can close the adapter normally)
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Finally, following the pinout, you can solder everything following the pinout
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```
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1 2 3 4 5 6 7 8 9
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-------------------------------
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| o o o | o o o | o o o | (at the Controller)
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\_____________________________/
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1 : DAT -> MI (the pin which also has the pullup resistor on it)
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2 : CMD -> MO
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4 : GND -> GND
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5 : 3.3V -> 5V (yes, spec is 3.3v but I've been using 5v without issue)
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6 : Attention -> A2
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7 : SCK -> SCK
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```
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**/!\ Pin 1 is on top of the pic** (since this is what the leftmost pin of controller cable will plug into)
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#### Close the adapter box
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With everything soldered you can now close the adapter by just pressing both sides together it should snap into place
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I like adding some tape in order not to confuse a modded adapter with a regular one :)
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## Closing words
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Congrats on making your Bemani adapter :)
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Note that you can also flash my LUFAHybridFightstick firmware on it if you take the "PSX" branch and it will serve as a low latency PSX to USB adapter, but I think that's a bit overkill, and doing that without exposing the RST pin will make it hard to flash another firmware on it later on (PROTIP: you can either mod a reset button or solder that RST pin to an unused pin from the PSX plug).
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## Donation
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If this project helps you and you want to give back, you can help me with my future projects.
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While not necessary, donations are much appreciated and will only go towards funding future github projects (arcade hardware ain't cheap :( ).
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Of course you'll also receive my gratitude and I'll remember you if you post a feature request ;)
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[](https://www.paypal.com/donate?hosted_button_id=WT735CX4UMZ9U)
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