MintyPi with PSP joystick, stereo jack and USB port

Show off your completed mintyPi, or post your build logs here!
joao
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MintyPi with PSP joystick, stereo jack and USB port

Post by joao » Thu Nov 16, 2017 8:19 am

I wanted to do something different with my design so I went back to the 3D prints and made several changes.
Now that I have most of the pieces I need to build it I decided to do a log. Hope you enjoy it.

joao
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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by joao » Thu Nov 16, 2017 8:54 am

2017/11/16 - I'm still not sure if this new design will work but I'll start by showing the base 3D print.
The jack is a 2.5 switch jack PJ242, small enough not to take a lot of space but for regular headsets it will require an adaptor.

PJ242 https://www.ebay.com/itm/10Pcs-2-5mm-Fe ... 2749.l2649

2.5 to 3.5 jack adaptor https://www.ebay.com/itm/1Pc-Male-2-5mm ... 2749.l2649

On the right side is the usual usb sound card, since the base includes a hole for the chip it should be possible to mount it without taking out the crystal. To be checked later.
The battery is also the usual due to the dimensions. On the picture you can also see both tactical switches and power switch.
Now viewing from the back, on the left you will have an usb port, in the middle the Adafruit's microLipo, and on the top of the microLipo the usb hub.

Usb port https://www.ebay.com/itm/10pcs-MICRO-B- ... 2749.l2649

Usb hub https://www.ebay.com/itm/Micro-B-2-Port ... 2749.l2649

Missing on the picture is the ADS 1015, for the joystick and battery monitor, that I still have to figure where it will fit. Probably on the left empty space. If the pcb does not fit I will have to use only the chip (TI can provide it).

ADS 1015 https://www.ebay.com/itm/ADS1015-12-bit ... 2749.l2649
Attachments
project_C01_base_components_back.jpg
Base with components back view
project_C01_base_components_back.jpg (132.03 KiB) Viewed 10222 times
project_C01_base_components_top.jpg
Base with components top view
project_C01_base_components_top.jpg (157.46 KiB) Viewed 10222 times
project_C01_base.jpg
Base 3D print
project_C01_base.jpg (113.31 KiB) Viewed 10222 times

joao
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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by joao » Thu Nov 16, 2017 9:08 am

2017/11/16 Since my idea is to use a joystick I could not use Helder PCB. Also I needed the joystick to lower a lot so that he could fit with the screen and all. This is the reason for the square hole on the top left.
On the left you also have the tactical switches for start and select. On the right, for symmetry purposes you also have 2 tactical switches. At least one of those will be used as function button.
Attachments
project_C01_middle.jpg
Middle 3D
project_C01_middle.jpg (64.66 KiB) Viewed 10217 times
project_C01_middle_components.jpg
Middle with components
project_C01_middle_components.jpg (170.63 KiB) Viewed 10217 times

joao
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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by joao » Thu Nov 16, 2017 9:20 am

2017/11/16 For the face I added the 2 extra holes for the tactical switches on the right and I included the hole with supports around for the joystick on the top left.
I've tried to print the button name but with no success due to the precision of the printer. I will try again later.
Attachments
project_C01_face_top.jpg
Face 3D top view
project_C01_face_top.jpg (132.06 KiB) Viewed 10217 times
project_C01_face_bottom.jpg
Face 3D bottom view
project_C01_face_bottom.jpg (191.25 KiB) Viewed 10217 times
project_C01_face_top_components.jpg
Bottom part with components top view
project_C01_face_top_components.jpg (126.26 KiB) Viewed 10217 times
project_C01_face_back_components.jpg
Bottom part with components back view
project_C01_face_back_components.jpg (142.4 KiB) Viewed 10217 times

joao
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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by joao » Thu Nov 16, 2017 9:24 am

2017/11/16 Forgot to include the link for a similar joystick to the one I'll be using.

Joystick https://www.ebay.com/itm/Replacement-Bu ... SwA4dWHMEg

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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by Helder » Thu Nov 16, 2017 4:59 pm

I like the twist on the build, looking forward to a finished product.
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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by VeteranGamer » Fri Nov 17, 2017 2:22 am

this is a interesting concept.....
would also like to see it completed......

seeing as Helder PCB is not compatible, unless you try butchering it....

this might be a viable option (not sure) for the buttons....
so you'll have the analog stick, this for the buttons and some tactiles for the start/select/function

Image

https://www.aliexpress.com/item/Directi ... a732e5af-0

(not sure, so don't shoot me down if it isn't)


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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by Helder » Fri Nov 17, 2017 1:31 pm

Should work if you get a connector breakout board to easily expose those thin traces on that ribbon.
Chat with me and other members On Discord

Don't contact me about obtaining my board files (as you will not get them). If my Boards or PCB Kits are sold out, they will be restocked as soon as I can get them and there is demand for them. You can join the mailing list on my Website to be notified when they are available.


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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by joao » Fri Nov 17, 2017 4:19 pm

2017/11/18 VeteranGamer sadly I did not find those during my search so my option was to use this conductive film keypad for PS4 controller, cut it and used VHB tape to put it in place. Not the exact size for the buttons but I already tested the buttons and they are working.

Conductive film keypad https://www.ebay.com/itm/Conductive-Fil ... SwJ~RZr74b
Attachments
P1130361.JPG
Testing the buttons
P1130361.JPG (2.57 MiB) Viewed 10116 times
P1130354.JPG
Conductive film keypad
P1130354.JPG (2.7 MiB) Viewed 10116 times
P1130355.JPG
Conductive film keypad cut
P1130355.JPG (2.8 MiB) Viewed 10116 times
P1130362.JPG
Conductive film keypad in place
P1130362.JPG (2.54 MiB) Viewed 10116 times

joao
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Re: MintyPi with PSP joystick, stereo jack and USB port

Post by joao » Fri Nov 17, 2017 4:29 pm

2017/11/18 Today I also prepared the tin with all the holes. I've included an hole for the HDMI access to the Pi. As explained in previous discussion I'm a fan of switching between the LCD and HDMI with the correct resolution, this way I will be able to use Kodi during trips, or my kid can watch some cartoons. Just wished wermy could include this functionality in the software. Later I'll try the new image an if necessary make the required changes. I already need to perform some changes in the battery monitor script so that it uses a different ADC port since I need 0 and 1 for the joystick.

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