DIY Pocket Sized Game Controller - PXP Gamepad
PXP-Gamepad
DIY universal controller pocket gamepad.
ALL DESIGN FILES CAN BE DOWNLOADED FROM HERE:
https://github.com/MegaBitmap/PXP-Gam...
This is a open source wired controller/gamepad designed to be ultra portable.
It uses a RP2040-Zero MCU soldered onto a custom PCB (see files).
For firmware it uses GP2040-CE which can be downloaded from here:
https://github.com/MegaBitmap/GP2040-...
3D Print Settings
3MF Print files ready to be sliced can be downloaded from here:
https://github.com/MegaBitmap/PXP-Gam...
If you have good first layer adhesion, disable brim.
~0.13mm layer height
Z seam alignment → random
The faceplate must be printed facing up with generate support enabled.
The shoulder buttons need generate support enabled.
The D-pad is split into two pieces to allow it to print without support.
Use a dab of glue to attach the "D-pad-pin" with the pointy side facing out towards the PCB.
The "D-pad-pin" prevents left and right or up and down from being pressed at the same time.
After printing the faceplate and shoulder buttons, thoroughly remove all support material.
Parts List
1 x 3D Printed case and set of buttons (see files)
https://github.com/MegaBitmap/PXP-Gam...
1 x PXP-GAMEPAD PCB (use Gerber files to order PCBs)
https://jlcpcb.com/
1 x RP2040-Zero Microcontroller
https://www.waveshare.com/rp2040-zero...
2 x PSP 3000 Joysticks (Alps Alpine RKJXU1210006)
https://www.adafruit.com/product/3103
7 x Screws (M2 x 8mm countersunk)
https://www.ebay.com/itm/174466999302
2 x FFC connectors 0.5mm pitch 4 pin bottom contacts (Cvilux CF20041D0R0-NH)
https://www.digikey.com/en/products/d...
2 x Right angle tact button switches (Panasonic EVQ-PUL02K)
https://www.digikey.com/en/products/d...
14 x Tact button switches (TE Connectivity MSLPT5252BG2MTR)
https://www.digikey.com/en/products/d...
(Optional) 3M dual lock for easy universal phone mounting. (SJ3550 1 inch)
https://www.ebay.com/itm/401127190632
Make sure to use a high quality shielded USB C cable. (A to C or C to C)
Firmware Settings
Download firmware here: https://github.com/MegaBitmap/GP2040-...
Install it using this guide: https://gp2040-ce.info/installation/
In the web configurator → Configuration → Add-Ons → Analog Use these settings:
Analog Stick 1 X Pin = 27
Analog Stick 1 Y Pin = 26
Analog Stick 1 Mode = Left Analog
Analog Stick 1 Invert = X Axis
Analog Stick 2 X Pin = 29
Analog Stick 2 Y Pin = 28
Analog Stick 2 Mode = Right Analog
Analog Stick 2 Invert = X Axis
Inner Deadzone Size (%) = 5
Outer Deadzone Size (%) = 50
Auto Calibration = Enabled
Then scroll to bottom → Save → Reboot → Controller
Credits
GP2040-CE Multi-Platform Gamepad Firmware for RP2040
https://github.com/OpenStickCommunity...
Better PSP Thumb Stick Analog Replacement by limoncello-mozzarella is licensed under the Creative Commons - Attribution license.
https://www.thingiverse.com/thing:304...
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