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Topics - tom_tm

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preenfm2 and preenfm3 / pfm2 2016 OLED svg won't download
« on: July 21, 2017, 11:16:18 AM »
Hi Xavier.

I appreciate that support is limited during the summer but I am having problems downloading the SVG file for the case. Instead of getting an SVG, I keep getting the html file associated with the page. This is really frustrating because I can't translate any dimensioning into AutoCAD without it. Please advise.

kind regards


preenfm2 and preenfm3 / 2.07 update won't work
« on: July 17, 2017, 09:04:26 PM »
Hi Xavier.

I've tried to update the firmware from 2.06 to .07 however I'm being told that Preen cannot find the pfm2 folder. When I connect to my Mac via USB, Preen mounts in USB mode as 'DISK_IMG', indicating that 'folder' is in fact named 'DISK_IMG'. I've successfully mounted Preen on my Mac, and copied files over. But I still get this error message. What am I doing wrong?



preenfm2 and preenfm3 / RV1 10k trimmer- what's it for?
« on: July 13, 2017, 01:55:14 PM »
Hi Xavier.

Finally got around to building mine. I used the Mouser BOM, but got a trimmer, which looks like it's supposed to be RV1. What's it for, as it doesn't suggest anywhere about fitting it.

Also what are connectors P1 and P3 for?

Lastly, those looking for the PCB header pin arrays used for the OLED, in the UK, Maplin sell these which is handy to know- since I couldn't find them at either Mouser UK or RS.



preenfm2 and preenfm3 / Alps and screen alternatives
« on: December 15, 2016, 01:12:23 PM »
Hi forum/Xavier.

I received my board and chip/usb/connectors the other day- thanks!

Going through the BOM via Mouser, I note that both the screen and the Alps pots won't be in stock for another 14 weeks or longer (!!!). I can't wait that long. Do you have any links for alternatives to these two parts? I notice that you too are obviously having stock problems seeing that the OLED offered in the kit is white instead of yellow. Is it a matter of just choosing the white OLED alternative? And what would you recommend for a cheaper LCD screen? And those Alps pots. Is an alternative available, and where?

Happy xmas, and kind regards,


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