Help: LEDs not working and Elite C status LED cuts out

[bmosley]

Kind of issue?
Assembly / HELP!

Which Board?
RGB

Which Board Revision?
2.1

What steps have you taken

• I have searched the Issues page
• I have read the documentation
• For LED issues I have checked the following things
  - the pro micro is programmed (and currently telling the LEDs to do something)
  - the pro micro is powered (and showing LEDs)
  - the LEDs are powered (check 5v across pins 1 and 3 of J1)
  - are any of the LEDs showing

What is the issue?
sofle_rev1_rgb_default from QMK's repo up to date and compiled okay.

I cant get any LEDs working at all (event the status indicator). I added sockets and have my elite C on right now but as soon as I plug in the USB the device is not showing up in either QMK after clicking reset on the pro or even status LED on the pro itself. This is the only build I havent gotten to work so puzzled as Ive tested the LEDs with a multimeter and get a solid output. No idea what to do next here. Any advice?

What you expected:

one of the images shows the Status LED on the back... ive removed that and put on the surface of the board instead. No difference.

[DaneEvans]

Alright. Let's go back to that checklist you so kindly didn't tick for me. Read the documentation. For LED issues I have checked : ... You have no LEDs on the elite C, ergo it has no power - that is either a problem with you plugging it in, Or you have a short between 5v and gnd.

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On Thu, 21 Oct 2021, 10:33 am bmosley, ***@***.***> wrote: *Kind of issue?* *Assembly / HELP!* *Which Board?* *RGB* *Which Board Revision?* 2.1 *What steps have you taken* - I have searched the Issues page - I have read the documentation - For LED issues I have checked the following things - the pro micro is programmed (and currently telling the LEDs to do something) - the pro micro is powered (and showing LEDs) - the LEDs are powered (check 5v across pins 1 and 3 of J1) - are any of the LEDs showing *What is the issue?* sofle_rev1_rgb_default from QMK's repo up to date and compiled okay. I cant get any LEDs working at all (event the status indicator). I added sockets and have my elite C on right now but as soon as I plug in the USB the device is not showing up in either QMK after clicking reset on the pro or even status LED on the pro itself. This is the only build I havent gotten to work so puzzled as Ive tested the LEDs with a multimeter and get a solid output. No idea what to do next here. Any advice? *What you expected:* one of the images shows the Status LED on the back... ive removed that and put on the surface of the board instead. No difference. [image: image0] <https://user-images.githubusercontent.com/705077/138185995-c1c46597-3277-44f4-a1c5-4045ff520852.jpg> [image: image0-1] <https://user-images.githubusercontent.com/705077/138186003-3400d7a2-d5dc-418d-bca3-d129693db35e.jpg> [image: image0-2] <https://user-images.githubusercontent.com/705077/138186004-80678895-971b-438d-9e71-0fe3d9122377.jpg> — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#117>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AFIRN4NALWIZGMKZZJK3YSLUH5GVRANCNFSM5GMZNZHA> .

[bmosley]

strange the boxes show checked for me (thought I had to do it after the issue was create) sorry!

so yes, I think I was a bit unsure of the LED orientation from the docs. I assumed that the notch (DIN) for my LEDs was oriented in a way that it sits on the highlighted pad. I figured that maybe I had them reversed so flipped the indicator LED 180deg and removed the LED#2 entirely so there wouldn't be a short somewhere else down the line. the Elite C only shorts plugged in so something is clearly my fault there I just don't know where at this point

[DaneEvans]

My apologies, I went off the email, and apparently it doesn't resend for edits. The possible locations are the elite C. The socket, or any of the LEDs. They are all in parallel. This is why it's recommended to only do a few at a time. I'd start by checking if the 5v rail is shorted with the micro off. Then start pulling LEDs off. If you have a thermal camera you might be able to narrow it down. But you also might burn the micro or your USB supply out.

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On Thu, 21 Oct 2021, 12:13 pm bmosley, ***@***.***> wrote: strange the boxes show checked for me (thought I had to do it after the issue was create) sorry! [image: Screen Shot 2021-10-20 at 18 06 53] <https://user-images.githubusercontent.com/705077/138193133-18af75b6-0baf-4a08-bcde-c1b86af9b3da.jpg> so yes, I think I was a bit unsure of the LED orientation from the docs. I assumed that the notch (DIN) for my LEDs was oriented in a way that it sits on the highlighted pad. I figured that maybe I had them reversed so flipped the indicator LED 180deg and removed the LED#2 entirely so there wouldn't be a short somewhere else down the line. the Elite C only shorts plugged in so something is clearly my fault there I just don't know where at this point — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#117 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AFIRN4I6L7PYEQD5O7OKAADUH5SKLANCNFSM5GMZNZHA> .

[bmosley]

if I desolder the underglow jumper and per key lighting jumper would it at least narrow down section by section? for instance, the indicator LED only

[DaneEvans]

No, that only cuts the data line, and that isn't the issue here. First, confirm that you have a short. Then try to find it.

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On Thu, 21 Oct 2021, 6:01 pm bmosley, ***@***.***> wrote: if I desolder the underglow jumper and per key lighting jumper would it at least narrow down section by section? for instance, the indicator LED only — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#117 (comment)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AFIRN4K5BURN4OH5MFEJTU3UH63F7ANCNFSM5GMZNZHA> .

[Stefan Totev]

A little late answer to this but on the last picture, the indicator has the wrong orientation. The small dot should point to the side of the silkscreen. You need to flip it.

Also, if you are only checking that they are properly grounded and have 5V, it won't help much. You must ensure that you have something on the Dout pin because this will break the chain depending on what you have enabled.

The chain is Indicator -> Underglow -> Backlight (per key). If you have indicator enabled, with the wrong orientation it'll prevent any other LED to light up.