USB4MAPLE adapter

[Jaxel]

Added buzzer support.
passive buzzer connect to GND and GP6
active buzzer connect to GND and GP7

active buzzer can't chenge tone signal, better use passive buzzer

usb4maple(15.04.25).7z

I don't know a lot about these micro controllers... But I now have 6 wires connected to ground. It's getting a bit cumbersome. Is it possible to connect some of the GPIO pins to ground? Maybe GP9 to G13 to ground? Or are these pins already NC and I can just bridge them to ground?

[megavolt85]

That's what GND is for, all ground contacts must be connected together, you can't use gpio instead of GND

[RazorX]

Added buzzer support.
passive buzzer connect to GND and GP6
active buzzer connect to GND and GP7

active buzzer can't chenge tone signal, better use passive buzzer

usb4maple(15.04.25).7z

I don't know a lot about these micro controllers... But I now have 6 wires connected to ground. It's getting a bit cumbersome. Is it possible to connect some of the GPIO pins to ground? Maybe GP9 to G13 to ground? Or are these pins already NC and I can just bridge them to ground?

daisy chain them instead of individual wires for each one and that will make things much tidier, you can also use thinner wire depending on what you're already using.
as an example of daisy chaining the wire from ground to ground:

[Jaxel]

Tada! Unfortunately my buzzer stopped working, but it's mostly done!

[RazorX]

PXL_20250416_161230373.jpgPXL_20250416_161236494.jpgPXL_20250416_161242942.jpgPXL_20250416_161312382.jpgPXL_20250416_182706204.jpg

Tada! Unfortunately my buzzer stopped working, but it's mostly done!

excellent job, a little on the big side but very nice

[sekelje]

@Jaxel @megavolt85
Thanks for reply guys, unfortunately buzzer is not working for me, I have two of them and have tried to connect them to both GP6 and GP7 with no success. Both are from old PC cases and measure about 15-17 ohm. I will try to find some more.

[Jaxel]

PXL_20250416_161230373.jpgPXL_20250416_161236494.jpgPXL_20250416_161242942.jpgPXL_20250416_161312382.jpgPXL_20250416_182706204.jpg

Tada! Unfortunately my buzzer stopped working, but it's mostly done!

excellent job, a little on the big side but very nice

Not actually that big... here it is side by side with a regular VMU.

[sekelje]

PXL_20250416_161230373.jpgPXL_20250416_161236494.jpgPXL_20250416_161242942.jpgPXL_20250416_161312382.jpgPXL_20250416_182706204.jpg

Tada! Unfortunately my buzzer stopped working, but it's mostly done!

Very nice!

[megavolt85]

@Jaxel @megavolt85
Thanks for reply guys, unfortunately buzzer is not working for me, I have two of them and have tried to connect them to both GP6 and GP7 with no success. Both are from old PC cases and measure about 15-17 ohm. I will try to find some more.

I hope you are testing with a USB flash drive inserted? buzzer is one of the parts of the VMU and it only works if the VMU is emulated, i.e. the USB flash drive is inserted into the adapter.
P.S. the same applies to the OLED display

[megavolt85]

Not actually that big... here it is side by side with a regular VMU.

perhaps this is the most beautiful build I have seen in the entire existence of the project.
there are many beautiful builds, but yours is the most beautiful