Before we start to assemble our Case, we need to prepare our SD Card with Retropie and
Configure Wifi and SSH.
First download the appropriate Image from
Case for the Pi4
Now Download your favourite Program to write the Image tot he Micro-SD Card.
For Windows: Raspberry Pi Imager, Etcher, or Win32DiskImager
Win32DiskImager requires an .img file extracted from the .img.gz
image downloaded. You can use a program like 7zip to do this.
https://retropie.org.uk/download/ in my
For macOS: Raspberry Pi Imager, Etcher, Apple Pi Baker, or the dd command
For Linux: Raspberry Pi Imager, Etcher, or the dd command
MacOS/Linux users can optionally extract the .img image from the
downloaded .img.gz by using gunzip (macOS users can also simply
double-click it)
Page 11
Create a file called wpa_supplicant.conf in the boot partition using the following template.
(This will be moved at boot to the /etc/wpa_supplicant directory). Replace the Country
with yours.
Make sure to include the RETROPIE CONFIG lines as shown in the Template to ensure that
the RetroPie-Setup wifi configuration module will be able to cleanly edit/delete your
configuration if you wish to change it later.
Hint:
Wifi will not start up if you have an hard wired ethernet connection. After disconnecting
the ethernet cable you'll need to reboot to get Wifi started.
If you want to enable ssh by default as well, you can create a blank file called ssh in the
boot partition too. This is a 'flag' file and will be deleted during boot after ssh is enabled.
When everything is finished, you can unload the Micro-SD Card from your Computer and
put it into your Raspberry Pi.
Page 12
4 Assembly
Part 1 - Preparing the Printed Parts with Threaded Inserts
Before we start with the Assembly its neccessary to prepare our Printed Parts with the
threaded inserts. So its time to fire up your solder iron and get those Inserts melted in.
We need the following Parts:
- Baseplate
- Back-Panel
- Joystick_Button
- Display_Top
First start with the Build Plate with a total of 15 inserts.
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Go on with the Back-Panel with two Inserts for the Cover
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The Joystick_Button Part gets a total of 5 Inserts
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The Last Part Display_Top takes another 6 Inserts. 2 on each side
Attention:
Do not hurry on these steps, as the Tolerances are very tight and you get in Trouble if the
Inserts are not Lined Up correctly.
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Part 2 – We need Buttons…. And Speaker….and the Joystick…..and POWERbutton :)
For this Step we need all the Panels (If you chose the HDMI Backplate, we prepare this as
well) and the Button_Joystick Part. The Buttons have a tight fit and do not clip in fully, in
Case you wonder. The Tight fit is enough to hold them in place.
The Speaker Side needs 4 M3 Bolts, Washer and Nuts
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Screw in the M3 Bolts for the Speaker and turn over the part
Arrange the Speaker on the Bolts and put on the Washers if your Screws are long enough,
otherwise screw on the nuts with the help of a tweezer to tighten them.
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The Left-Panel is holding our Power Button. Prepare it with the Wires before and screw it
on tight. Wiring depends on the Type of Button.
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For the Joystick Part we need all the leftover Buttons and the Joystick. Clip in the Buttons
like on the other Parts and take the M3x20 screws, Washers and Nuts
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Put in the Screws and Flip over the Part to align the Joystick part with the connector
near to the Buttons. Pro Tip: Take some Tape to hold the Screws in Place and to Prevent
Falling off when Flippin‘ over.
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Put on the Washers and Nuts but not tighten them full. Flip over and adjust the Joystick to
be centered in the Hole. After that, tighten the screws.
Now put on the DustCover and Screw on the Big Joystick Ball.
So lets start with the fun Part and bring it all together.
Page 22
Part 2.5 – Optional Backplate with HDMI
If you printed out the HDMI Backplate you have to prepare the micro HDMI to HDMI Cable
First. Take some sandpaper and sand down the sides if they are too tight. Just a small
amount on both sides.
Part 3 – We need some Raspberry Pi’s here
In this Step we are going to bring our Raspberry and the Picade Hat X in Place. Dont
forget the Fan to cool down the Pi. This is essential because the Pi is getting really hot
when emulate 3D Games. So lets go…
Before screwing the Pi onto the Baseplate, gently screw those M3 screws through the Pi
Holes. The Pi comes with M2.5 screws, so we have to widen them to fit M3 screws.
Be very careful in this step as it can Damage your Raspberry Pi!
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After the Raspberry Pi was tight-fit in place we Plug-In the Display Cable. After this step
we can Put on our Picade X Hat. If you Have some Heatsinks on the Pi (Recommended)
dont push the HAT to much on the GPIO Panel as the Board may collide with the Heatsink
which can produce a short. Leave a 1mm gap between those. Kapton or Isolation Tape is
also Recommended. Check if you have inserted the Micro-SD Card.
When everything is in Place, we can Clip in our Fan. To prevent it from Falling off, we
support it with a drop of SuperGlue. Check the AirFlow before placing the Fan on the Drop
of SuperGlue
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Part 4 – Display Preparation
To Prepare our Display, we need 4x M3 Screws and 4 Washers. Optionally 8 Neodym
Magnets if you want to hold the Display in the Case when its not tight fit.
Put in the Display so the USB port is looking to the Right.
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Screw in the Screws with some washers. Add more Washers if your Screws are longer,
so you don‘t damage the screen. Don‘t tighten them fully. Adjust the Display so it fits and
then tighten one screw after the other.
If you need the Magnets, just glue them into the holes. Watch out for the right direction
After that it should look like this:
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Part 5 – Put it all together
After we prepared all our Parts needed, its time to assemble everything.
First we start with the Backplate and the Side Panels. Screw in all the Bottom Screws.
Do not overtighten.
Plug in the micro-hdmi cable into port 0 (HDMI0) if you choosed to use the HDMI Out.
Then go on with the other Side-Panels.
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Before we place our other parts, we should connect the Buttons to the Picade X Hat.
Take the 4x Pair Cable from the Wiring Loom Kit and connect the Buttons to the correct
Plugs on the Picade (Utility Header).
Also Plug in the Power-Button. Be aware to the Polarity of the LED if you have a button
with built in LED.
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As we need to Power the Fan and our Display. (If you are Planning to run the Lighting of
the Sign from the Pi, add a additional Cable to Power your Light Strip)
Its Recommended to build a Y-Cable for this. Take some Jumper Wires and solder them
together like this:
The Male Wires go into the Picade Hat and connects tot he Fan. The Female connects to
the Display Board (if you want a direct connect, leave this Female Cable longer)
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Now its time to Put on the Display_Top Part. If you want some Lights for the Sign (you
WANT that!!
) its time to prepare it with your favorite LED Strip or LED-Bar…
Attach the Strip with some 3M Tape or Double-Sided Tape. Leave the Cable long enough
and put some JST-Connectors on it for clean cabling.
At the Moment of this Manual, i used some ATTiny USB to power the Lights. Feel
free to use any MicroController you want or Connect your Strip through the HackHeader on the Picade X Hat. If youre Planning this, you need a Y-Cable with an
additional Cable (1 IN 3 OUT)
Page 30
When the LEDs are in Place its time to marry the Part with our Prebuild Base.
Screw in the 6xM3 Screws to stabilize. Tight the Screws when all are in Place so you can
adjust a little bit. Its important that the insert nuts are placed very well.
Halfway done. Grab the Joystick and Button Part an lay it upside down, so you can
connect the cables easily. First connect the Joystick Cable and mark the GND Cable. (its
the nearest one to the joystick).Then Connect the Buttons one after the other. Build
yourself some ordering (not recommended for the mapping, but its better to be clean
)
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Now we have to connect the cables to our Picade HAT. If its too difficult to plug them into
the headers, take off the Display_Top Part. Connect the Cables like its printed on the
Picade Hat. Be sure to Check the GND Pin on the Joystick Cable.
Put back on the Top Part in case you removed it.
Grab the display cable and the power cable through the Hole for the Display. Attach the
Joystick_Button part. Leave the screws aside, in Case you have to change the Pin Order
of the Cables.
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Take the Display Part and connect the Flat-Cable to the Display. The Contacts should be
facing to you. Connect the Power Cable to the Pin-Header (GND and 5v)
Now push in the Display to the Case. Start on the Top and take care of the cables not to
slip in between. Then push fit on the bottom. If its too lose use the neodymium magnets to
hold the Display in Place.
Now it should look something like this:
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To finish this Step, just push in the Light-Sign and we are Ready to go. If you see some
Light shining through the Case from your LED Strip, slide in the „Light-Tunnel“ Part
(Printed in Black Filament) to Prevent Light Bleeding.
If the LED_SignPart is too loose. Take some drops of SuperGlue (not much in case you
have to detach it.)
In the Last step, screw on the Cover for the Backplate
Part 6 – Power!!!
Plug in the Power cable and press the Power Knob. If something‘ not working
(Display/Pi/etc.) Please Check your Wiring.
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If you see something on the Screen:
Congratulations! You made it!
To calibrate the Buttons and Configure Retropie
Head over to:
https://retropie.org.uk/docs/
Page 35
To Configure the Picade X Hat refer to:
https://github.com/pimoroni/picade-hat
For more Information about Retropie visit:
https://retropie.org.uk/
Donations:
https://www.paypal.me/andre1289
Questions or Feedback Welcome:
andre@superperf.de
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