grz82's vmu project

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grz82's vmu project

Post by grz82 » Sat Dec 14, 2019 11:43 am

Hi all!

I've been following this forum for awhile and all of the awesome builds here got me interested in putting together a few things of my own. I put together this vmu from a broken vmu I had laying around. I cut out the damaged part of the case to the right of the original screen and went from there.

I used the following bits to get this working:

-Adafruit MicroLiPo Charger
-Raspberry Pi Zero
-HiLetgo 1.44" SPI ST7735 Screen
-Adafruit Max 98357A Amp
-SPDT Slide Switch
-Tactile Micro Switches
-503035 500mAh battery
-Magnet wire and 30AWG Silicone wire
-I think the speaker is from Kite's kit
vmuscreen.jpeg (474.28 KiB) Viewed 1158 times
vmuinside.jpeg (846.79 KiB) Viewed 1158 times
vmuback.jpeg (953.51 KiB) Viewed 1158 times
By pure luck, the status led for the charger lines up perfectly with the gap between the case and the screen that i filled with hot glue, so I can tell when charging is complete. The sound is perfect. Screen resolution is not great for reading text in retropie, but it's fine for most games.

The only issue I have (as shown in the screen pic) is the image on the bottom of the screen bleeds over to the top and flickers, and there is a row of pixels on the right. I've had no luck fixing this as any time I change the code from what I have, the screen looks worse.

Thanks in advance for any feedback!

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