#222

That’s actually a frustratingly hard and time-consuming fix.

The ‘part’ in EAGLE - the electronics CAD software that generates the board - that represents the header is, in fact, a part that represents an entire mobile B Pi - so it includes both the header and the three mounting holes and markers for the pi’s outline. Flipping that piece of silkscreen would involve… redesigning and replacing the part in its entirety.

If I were to suggest a fix, it would be adding text saying “place header on underside” along the top of that outline.

#223

Is there any chance you could adjust the default batch size on your Octopart BOM? It’s currently set to 500, and when I click the “add everything to my cart” shortcut… I get a $5000 Mouser cart…

3 Likes
#224

will fix. also I made a non-smd bom

#226

hoping to get a modded norns img posted today

1 Like
#227

updated for qty 1. (also added OLED and OLED header)

also here’s a no-smd version: https://octopart.com/bom-tool/Jor87JZR

also! SMD populated boards ordered. i’ll be able to start shipping them first week december. pricing TBD, but they will be very cheap.

18 Likes
#228

seems to be mostly working, still need to check audio in/out becasue I din’t have those 47uF capacitors…however I got some audio using headphones :slight_smile: software-wise everything seems OK

nornsdiy

5 Likes
#229

For anyone following along/that also wants to try this see https://github.com/simonvanderveldt/norns-image/issues/32

The built image was meant for norns not for the Raspberry :slight_smile:

Nice! That’s good to hear/see :slight_smile:

P.S. The image is still using an older norns version so for example there’s no crow support at the moment

#230

yes, I have seen there are some “anomalies” in the software, even if it seems to work quite well (as an example, values of 1 are often displayed as 0.99999999999 in some scripts)

questions: I didn’t solder the 47uF capacitors around the DAC. However I have audio both on headphones and on line level (haven’t checked the exact level, tho).
What are those 2 capacitors for? How does it work even without them ? :wink:

#231

those are to stabilize the codec’s power. i’d highly suggest putting them on, especially on a pi which is powered by USB with a cable (a substantially messier situation than norns, which has its own voltage regulator onboard and then linear regulator for the entire analog section— isolation is, well, good.)

#232

yeah, I will definitely put them on, I simply didn’t have them around (quite an unusual value for a non-electrolytic capacitor…)
or can I put a polarized capacitor instead?

#233

yes, but i’d suggest a ceramic here… no danger of damage until you get the right ones.

#234

gotta see if I find a couple of thru hole ceramic capacitors tomorrow at a local shop…pads are quite big to accomodate a temporary TH component. Thanks!

#235

I’m having a very bad idea :joy::joy::joy:

image

25 Likes
#236

Got any idea how long delivery to sweden would take? I want to make something nice for my friends this Christmas :gift::gift::gift:
Anyway sign me up for 3 smd populated boards, just ordered the no smd bom.

And btw, thanks for making this!

#237

Late in to this - very interested and would like a smd pop board!

#238

I’m experiencing a strange behaviour with my DIY shield…
It works normally, but after I turn encoder 1, go to the params menu, or I load something the fonts on the screen become a bit blurry.
If I select AWAKE, fonts go back to normal, but using Ecnoder 1 gets blurred fonts again. Choose AWAKE, everything is back to normal again…
I can leave it on the standard menu screen for an hour without any screen issue if I don’t touch Encoder1.
Hardware issue, Software issue or sorcery?

700×331

Fates - a DIY norns DAC board for Raspberry Pi
#239

this is a known bug in the buildroot image… we’re working on it

1 Like
#240

Hello everyone,
what would the best choice of RPI be for a use of norns with mlr?

I was thinking of getting a RPI 4 with 2 Gb Ram.

1 Like
#241

In phase with bassik here…
Just want to add:
Any recommandations around the choice of the micro SD card?
( received the “without smd bom” today! )

#242

is there any way to sign up for the smd populated board?