DIY: norns shield

[zproc]

SW2 fixed! I spent some time pushing buttons etc and it’s been working fine.
Norns is 100% alive!

(Tbh i mostly only stared at the traces, pins & solders. Used my multimetter for a while… being mostly perplexed. But i also cleaned anything that looked a bit suspicious, anything that could be some flux residue or something else, i suspected maybe something could short SW2 around the next Rs & cap or near the trace that goes to the GPIO header… — Really, no idea but i thought i’d begin by that.)

I tested one of the old TPLINK wifi dongles i have since the first gen rPis, hotspot mode works.
Midi works.
Now’s the time to play

And thanks again to Monome folks You’re awesome.

[zproc]

Woops, earlier i was a bit afraid i talked too soon. After one hour of pushing buttons and turning knobs, the problem is back. I can hear a sort of BZZZZ tone (?) when the rPi/Norns reboots.

Perhaps i could try to redo the push button solders? Weird.

Edit: Sorry for all the successive messages.

I tried to desolder one of the pin/leg of SW2 using a solder sucker. Big ouch again. The corresponding pad was sucked in the process again. When looking at my pic above, it’s the bottom left pin/pad. I was going to attempt something before deciding i did enough damage tonight.

Tested replugging the Shield on my rPi3b+ … the switch/SW2/push button works like before. — ??
I don’t really get it. I think perhaps i lost a functionnality, like when holding the button, for a shorter or longer press perhaps? I’ll try to look at the schematics and see if i understand something.

[0F.digital]

I think perhaps i lost a functionnality, like when holding the button, for a shorter or longer press perhaps?

Nah, all of this is handled in software. Strange that it still works with that bottom left pad lifted though!

[zproc]

I think perhaps i lost a functionnality, like when holding the button, for a shorter or longer press perhaps?

Nah, all of this is handled in software. Strange that it still works with that bottom left pad lifted though!

Yeah, i used it again for a few hours and indeed the quick and longer press work for now…

[mah]

Got my DIY shield board today,but can’t get ahold of a 3b+ but have a 3b att home, could it work for testing purposes?

[simonvanderveldt]

Yeah, works fine I’m using one for testing at the moment.
They’re pretty much equivalent from a functionality perspective, networking setup is technically different but should work for both of them (apart from the built-in Wi-Fi not working on either of them at the moment of course)

[edit] The CPU/SoC on the Raspberry Pi 3B is the same one as one the CM3 that’s used in norns, so it’s pretty much as close as can be

[mah]

Thanks for the quick replay, at work, can’t wait to get home and start soldering!

[outoftunewolf]

is anyone else having trouble waking up the system after putting it to “sleep”? I keep having to do a hard reset and didn’t know if this is going to cause issues down the road.

[andrew]

i don’t think the shield has a power switch ?

hopefully the power cycle doesn’t cause issues. is it encouraged to use sleep as opposed to unplugging while a script is running ? i’m guessing yes

[okyeron]

I’ll need to confirm on my shield (as compared to Fates), but SLEEP is really doing sudo shutdown now and is turning off the pi. The display may still show “sleep” on screen because the pi has power (and the red led on the pi will be on as well) - but the device is powered off. Thus you need to remove and reattach power to restart.

I don’t believe the “hold button to wake from sleep” (got norns hardware) works on RasPi norns

[zebra]

This is correct. The power-on behavior of monome norns requires specific power management hardware not compatible with shields.

Using Norns shield you have to hard powercycle the pi to turn it on, as with other pi applications. sleep is indeed strongly recommended to safely shutdown the systen

[simonvanderveldt]

As long as you shutdown using “sleep” in the menu or using something like shutdown over SSH/serial it’s all fine. That gives the system the option to properly shutdown, unmount the disks, etc.

Since a Raspberry Pi doesn’t properly turn off you’ll need to pull the power/plug to get it to fully turn off and connect it to power again when you want to start it (which will happen immediately since there’s no power button).

What do you mean with hard reset? There’s no reset button on a Raspberry Pi.

[mah]

It’s alive, easier to assemble than the vellmann kits I made when i was a kid! Didn’t even get the supercollider fail at first boot, but maybe that’s not a thing anymore?

[outoftunewolf]

Hard reset as in pull the power plug and plug it back in.

Good to know. Shutting down properly was my main concern.

Thanks!

[andrew]

ICYMI:

Norns: update 191230

• built-in wifi now works on the shield

!

new image on this page -> https://monome.org/docs/norns/help/#manual-update

[dwb]

Finished my build, running new image
Huge thanks to all involved

[Ste_v]

Hello everybody! Anyone has a clue about a place in Europe where to retrieve the components altogether? I found everything on Mouser except for the display: was able to find it on Luna-Displays from Germany, but the shipping cost raises up quite a bit. If nothing comes up I’ll go for it, but I’d like to hear if there’s an alternative I don’t know about

[okyeron]

Anyone out there have a micrometer that could give me the height of the display above the shield PCB with the standard headers from the BOM? in mm?

I used a different header/pin combo and I’m curious if they’re the same or not.

[nitefish]

Twenty characters of 8mm.

[bassik]

Where are you based?
Digikey have them in stock and I am just missing the screen.
I can get two from digikey and we can share costs.
I am in France so if you are as well this will be much easier.