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Messages - j4ustin

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preenfm2 and preenfm3 / Re: preenfm3 sd card error
« on: November 10, 2020, 11:10:45 PM »
Thanks Xavier, appreciate your work. This is an awesome instrument!

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preenfm2 and preenfm3 / Re: preenfm3 sd card error
« on: November 10, 2020, 08:08:57 PM »
I've tried updating my firmware beyond 0.90 but even at 0.91 I can't get any presets to pull up on my SD cards. I've tried 3 different SD cards (2 from Kingston, 1 from a pedal that I got unsure of the brand), and none of them work unless the version is downscaled to 0.90. The system will read the SD card firmware when flashing to go between versions, though.

I have the folder set as pfm3/ at the root with the presets stored. It works going back down to version 0.90 with no changes in place.

Am I missing something here?

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preenfm2 and preenfm3 / Re: preenfm3 / preenfm2 R6 : first PCBs available
« on: November 10, 2020, 06:56:24 PM »
Does anyone know what power cable / vc to use for the preenfm3? I'm getting a ground loop noise using my usb cable and want to switch to external power.

4
Sorry I haven't had time to check back on this forum in a bit.

I do have Windows 10, but flashing chips on my computer has always been a problem. It ended up working fine after I ran the cmd which was easy enough. Should be straightforward to upgrade from here using the SD card.

Thanks for those files! I just sent off to have my case printed. Will post back here once I get my case in and have it all assembled.

I did get the presets onboard and they all sound good! I'm working on building some more pads in that have a bunch of motion + modulation. The crazy metal / fm madness preset bank is awesome. 

5
Hey, just got my preenfm3 board in today and have everything assembled, but I'm not seeing anything boot up on the screen when connected to usb power. Is there a certain configuration for the jumpers that I need, or do I need to flash the software?

EDIT:

Got it working. I did have to flash the firmware, but the DFU device wasn't showing up in the recommended program. Instead I just downloaded the zip file and utilized the .cmd files to flash the device. The device powers on and the buttons all seem to work fine.

I'm working on getting the presets on the device so I can start listening to it and testing it out! Looking forward to getting some crazy sounds out of this thing as well as printing out the case!

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