# 64x32 RGB LED MATRIX not working - please help!

**URL:** <https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790>\
**Category:** Support\
**Created:** [January 9, 2024, 5:41pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790 "2024-01-09T17:41:22Z")\
**Posts on this page:** 12\
**Page:** 1

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**Author:** ![dragonshield](https://avatars.discourse-cdn.com/v4/letter/d/aeb1de/32.png) [@dragonshield](https://forums.pimoroni.com/u/dragonshield)\
**Post date:** [January 9, 2024, 5:41pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/1 "2024-01-09T17:41:22Z")

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I’ve been trying to make my LED board work for the past 10 hours, but no matter what I try nothing happens.

For context I have:

- Adafruit RGB Matrix Bonnet for Raspberry Pi
- RGB LED Matrix Panel

I’ve tried disabling the 1-wire and enabling it, as well as followed the advice on this [https://learn.adafruit.com/adafruit-rgb … g-matrices](https://learn.adafruit.com/adafruit-rgb-matrix-bonnet-for-raspberry-pi/driving-matrices) and this [viewtopic.php?t=183781](https://forums.adafruit.com/viewtopic.php?t=183781) but nothing is working. I’ve tried troubleshooting, checking the GPIO, run a whole bunch of commands. There are no noticeable errors, the LED just isn’t lighting up.

Is there something I’m missing?

Please someone advise!!

Thanks :)

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**Author:** ![adam](https://avatars.discourse-cdn.com/v4/letter/a/4af34b/32.png) [@adam](https://forums.pimoroni.com/u/adam)\
**Post date:** [January 9, 2024, 6:49pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/2 "2024-01-09T18:49:06Z")

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I’ve got exactly the same problem! Tried on a Raspi zero 2W & also a v4 in case it was my soldered header.  
No luck with either. Please let me know if you find anything!!!

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**Author:** ![adam](https://avatars.discourse-cdn.com/v4/letter/a/4af34b/32.png) [@adam](https://forums.pimoroni.com/u/adam)\
**Post date:** [January 9, 2024, 10:44pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/3 "2024-01-09T22:44:20Z")

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Did you see the other person’s comments that it worked with a 32 bit OS? Might try that myself. Will let you know if I get anywhere.

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**Author:** ![dragonshield](https://avatars.discourse-cdn.com/v4/letter/d/aeb1de/32.png) [@dragonshield](https://forums.pimoroni.com/u/dragonshield)\
**Post date:** [January 10, 2024, 12:36pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/4 "2024-01-10T12:36:35Z")

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no i didn’t see that comment! could you link me to it? we think it’s actually a power supply issue and tested with a smaller screen which worked - but i’ll try your recommendation today as well and let you know!

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**Author:** ![ahnlak](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/ahnlak/32/5610_2.png) [@ahnlak](https://forums.pimoroni.com/u/ahnlak)\
**Post date:** [January 10, 2024, 1:52pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/5 "2024-01-10T13:52:09Z")

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Could well be; the product page quotes “\<=20w” for the 64x32 panel, and that’s before you leave any for the Pi itself.

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**Author:** ![dragonshield](https://avatars.discourse-cdn.com/v4/letter/d/aeb1de/32.png) [@dragonshield](https://forums.pimoroni.com/u/dragonshield)\
**Post date:** [January 10, 2024, 2:56pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/6 "2024-01-10T14:56:13Z")

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we’re using a 5V 3A power supply, which is 15w. do you think i should go for a 5V 4A power supply?

thanks :)

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**Author:** ![ahnlak](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/ahnlak/32/5610_2.png) [@ahnlak](https://forums.pimoroni.com/u/ahnlak)\
**Post date:** [January 10, 2024, 3:01pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/7 "2024-01-10T15:01:42Z")

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Well I mean in theory it should be enough unless you had everything bright white anyway, but not all PSUs are equal, I guess?

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**Author:** ![dragonshield](https://avatars.discourse-cdn.com/v4/letter/d/aeb1de/32.png) [@dragonshield](https://forums.pimoroni.com/u/dragonshield)\
**Post date:** [January 10, 2024, 3:26pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/8 "2024-01-10T15:26:18Z")

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i think it’s actually an issue with the LED board itself… because everything is working fine on a 32x16 board. i’ll try with a higher voltage but maybe i’ll reorder a board.

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**Author:** ![adam](https://avatars.discourse-cdn.com/v4/letter/a/4af34b/32.png) [@adam](https://forums.pimoroni.com/u/adam)\
**Post date:** [January 10, 2024, 5:10pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/9 "2024-01-10T17:10:32Z")

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> [@Adafruit RGB Matrix Bonnet for Raspberry Pi](https://forums.pimoroni.com/t/adafruit-rgb-matrix-bonnet-for-raspberry-pi/20138):
>
> I thought I was going to get yet more problems driving 64 x 64 LED Matrices. The Adafruit Matrix Portal M4 is an absolute disaster zone. I have spent months trying to tweak Adafruit Tutorials and failed miserably. I then bought the Adafruit RGB Matrix Bonnet for Raspberry Pi, hoping for a better experience with Python than with CircuitPython. Every single demo crashes and resets the Pi. Not a power issue, I am running 5 Volt at 23 Amp. Hours later I found a very simple solution, just before I ri…

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**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\
**Post date:** [January 10, 2024, 6:49pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/10 "2024-01-10T18:49:54Z")

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Just a FYI post. I have two 64x32 panels setup as 64 x 64, it was the only way to get the pixel spacing I wanted. I’m using a Pimoroni Interstate 75 (RP2040 Micro Python). My current (no pun intended) supply is a 5V 4A switching power supply. Smooth sailing once I got my code working. ;)

Don’t cheap out on your power supply. And buy a power supply, not a “charger”. I’m not saying you did, just some words of wisdom from somebody who has been there done that. ;)

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**Author:** ![adam](https://avatars.discourse-cdn.com/v4/letter/a/4af34b/32.png) [@adam](https://forums.pimoroni.com/u/adam)\
**Post date:** [January 10, 2024, 9:07pm UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/11 "2024-01-10T21:07:17Z")

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I’m using a 10A 5v supply for a 32 x 64 display. Nothing at all is showing though! Not even one LED :-(  
@alphanumeric - what version of Raspberry Pi & what OS are you using please?  
It should all just work out of the box and I’ve done tons of Raspberry Pi projects in the past without issue.  
Just this one seems to not want to light up!

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<div class="post-metadata">

**Author:** ![alphanumeric](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.pimoroni.com/alphanumeric/32/2729_2.png) [@alphanumeric](https://forums.pimoroni.com/u/alphanumeric)\
**Post date:** [January 11, 2024, 9:46am UTC](https://forums.pimoroni.com/t/64x32-rgb-led-matrix-not-working-please-help/23790/12 "2024-01-11T09:46:30Z")

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No Pi, The Interstate 75 is RP2040 based. It’s flashed with Pimoroni’s custom Micro Python uf2 file. Most of my code is Pico Graphics.  
Weather info displayed as text messages.
