Ok that’s good news
I’m going to have to order a new 20 pin connector
I completely butchered it trying to re-orientate the pins

Ok I will try that as well
Thank you
I’m having a hard time accessing maiden right now is anyone else ?

How are you trying to access maiden? You’ll need to get your norns connected to your own network in order to do so. If you’ve not got a screen, you’ll need to use ethernet, because otherwise you’d have to configure the wifi first.

Secondly, if you aren’t having joy connecting to norns.local, connecting directly to the norns’ IP address is worth trying - sometimes zeroconf DNS does not propagate properly. Again, finding out the IP without a screen may be challenging, but you should be able to find the list of devices connected to your router and go from there.

1 Like

Has anyone here tried adding a battery hat to the norns shield? Would it even work? For example, something like this:

What I don’t know is whether there would be a problem with the battery module using some of the pins that the norns shield also uses? (But this raspberry pi stuff is all new to me!)

3 Likes

Ok thank you !!!

Yeah this probably won’t work due to duplicated/overlapping pin assignments.

> See here for a diy battery approach

Well, first of all, Hi, I’ve been lurking this thread a long time and finally ordered a smd populated Shield a couple of weeks ago.

It arrived yesterday, and I was somehow confident of my soldering skills due to some diy pedal building I did in the past – I was terribly wrong. First try on saturday night I turned it on with my headphones on, I heard some tone (like a sinewave modulated) that drifted away, but the screen sat black, void.
And here come the first question: Am I right assuming that I flashed the sd card right because of the sound I heard?

So today I double checked all the soldering spots, see how terrible I was, fixed here and there, and gave it another try. Sound but no screen, again.
I was pulling it off and suddenly something appeared on the screen, like a first menu, an actual Norns screen! I was triumphant. But then some parts started blurring, I think only the top button worked right (pressing it took me to some zone where a timestamp was, a “2.04” time or something) and the menu started going weird, like moving around the screen from the left to center screen, but something like it forgot where the top left corner of the screen was (I hope this makes sense since I can’t find any other way to explain it); then everything went back to black. I couldn’t take any picture because it took less time than it seems here.

tl;dr

How do I troubleshoot my shield? Is there a more precise way to know what is wrong or at least in what connection?

Thanks!

Sounds like bad connections to the display.

Try to reflow all the solder joints on the display and the display header.

Give each joint a good 3-4 count and watch for the solder to flow (for about a second) then release. Apply a tiny bit more solder if it’s not flowing.

Very similar problem
I think I personally put the 20 pin connector on wrong
Is that possible ?

Re-linking this:

7 Likes

I’ll give it another shot in a couple of hours. Thank you for your support - and for the useful Adafruit link that I missed somehow!

The only mistake you can make with the 20-pin female header is not making good connections to the board, ie, correct soldering.

Actually, I suppose you could put it on the wrong side of the board. But that is the limit of mistakes we are talking about.

Same with its male counterpart on the screen. Right side, soldered competently. That’s it.

If you’re using the connector in the BOM, I’ll note that it’s a stiff connection to the male connector, but it will connect firmly with good alignment and patience.

1 Like

It IS stiff. So much so that I was worried about bending the display carrier board and breaking something.

It was OK in the end, though.

Ok I was worried about that so I flipped the pins around
And soldered the larger of the pins to the screen
Despite being told otherwise in a previous comment
(I’m not the brightest bulb in the package)
I just didn’t believe I was supposed to exert that kind of force
I guess I was wrong
And probably my problem

Just upgraded to a rpi 3b+
Still have the same issues, using a 2.5a power supply, could it be the memory card?

I had this problem the first day and I noticed the red power led on the raspberry Pi started to blink every time it happened. So I searched and found that “In the later models (A+, B+, Pi 2 & Pi 3) the power LED is slightly more intelligent. it is connected to the 5V and will flash if the voltage drops below 4.63V.

I solved this by buying a 3A wallwart and never got these problems again.

3 Likes

Issue resolved, turns out it was the cable, now I have 3 2.5-3A power adapters haha

2 Likes

It looks like displays are back in stock in Europe @mouser for anyone who’s been waiting.

Super, thanks for the heads-up.
The only part not in stock at Mouser in Europe is the OLED header. Can anyone suggest a suitable substitution? Thanks.

Just got my OLED from Mouser.

Is that hard to make it fit to the header? I’m trying to be careful but I’m pushing kind of hard and is not going in.