# Uncategorized **URL:** https://rpi-rgb-led-matrix.discourse.group/c/uncategorized/1.md?page=1 [Latest](https://rpi-rgb-led-matrix.discourse.group/latest.md) · [Categories](https://rpi-rgb-led-matrix.discourse.group/categories.md) **Page:** 2 --- ## [Qiangli Q4 IC-C8325QP+DP32020A-B](https://rpi-rgb-led-matrix.discourse.group/t/qiangli-q4-ic-c8325qp-dp32020a-b/1209)
**Author:** [@kat](https://rpi-rgb-led-matrix.discourse.group/u/kat)\ **Replies:** 3\ **Last updated:** [April 5, 2026, 6:53pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/qiangli-q4-ic-c8325qp-dp32020a-b/1209 "2026-04-05T18:53:58Z")
Is anyone familiar with this panel? It doesn’t show anything. Qiangli Q4H19B 80x40 IC-C8325QP+DP32020A-B 1/10 scan --- ## [Adafruit RGB Matrix Triple Bonnet — 64x64 panels show "2 rows lit, 2 rows dark" stripe pattern (E-line issue?)](https://rpi-rgb-led-matrix.discourse.group/t/adafruit-rgb-matrix-triple-bonnet-64x64-panels-show-2-rows-lit-2-rows-dark-stripe-pattern-e-line-issue/1211)
**Author:** [@Shamray](https://rpi-rgb-led-matrix.discourse.group/u/Shamray)\ **Replies:** 1\ **Last updated:** [April 3, 2026, 9:10am UTC](https://rpi-rgb-led-matrix.discourse.group/t/adafruit-rgb-matrix-triple-bonnet-64x64-panels-show-2-rows-lit-2-rows-dark-stripe-pattern-e-line-issue/1211 "2026-04-03T09:10:50Z")
Hardware: Raspberry Pi 4 Model B Adafruit RGB Matrix Triple Bonnet (Product ID: not sure, has 3 HUB75 outputs and an E-line switch with positions 4/8) Seengreat RGB-Matrix-P3.0-64×64 panels (1/32 scan, 5 address lines … --- ## [Does anyone have experience with fronting the Pi\\LED panels with capacitors? (general power stability question)](https://rpi-rgb-led-matrix.discourse.group/t/does-anyone-have-experience-with-fronting-the-pi-led-panels-with-capacitors-general-power-stability-question/1193)
**Author:** [@cubinarium](https://rpi-rgb-led-matrix.discourse.group/u/cubinarium)\ **Replies:** 4\ **Last updated:** [March 30, 2026, 9:09am UTC](https://rpi-rgb-led-matrix.discourse.group/t/does-anyone-have-experience-with-fronting-the-pi-led-panels-with-capacitors-general-power-stability-question/1193 "2026-03-30T09:09:32Z")
Hi all, I’m building the cube and while everything is OK I wanted to make sure I’m getting clean power. I’m hoping to power the panels and the Pi (Zero 2) with a single 10000mah battery, largely connected to USB power … --- ## [Qiangli 32x32 P6 panel with DP3153S +DP32020A-B - no output on RP2040](https://rpi-rgb-led-matrix.discourse.group/t/qiangli-32x32-p6-panel-with-dp3153s-dp32020a-b-no-output-on-rp2040/1191)
**Author:** [@aknsha](https://rpi-rgb-led-matrix.discourse.group/u/aknsha)\ **Replies:** 16\ **Last updated:** [March 29, 2026, 10:03pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/qiangli-32x32-p6-panel-with-dp3153s-dp32020a-b-no-output-on-rp2040/1191 "2026-03-29T22:03:30Z")
Panel specifications: Size: 32x32 pixels (P10 indoor module) Driver ICs: DP3153S(LED driver) + DP32020A-B (row decoder) Address lines: A, B, C connected; D pin present but grounded on panel HUB75 interface (s… --- ## [Does anyone have any advice on how to take a video of a panel, reducing (or perceptually eliminating) the flicker?](https://rpi-rgb-led-matrix.discourse.group/t/does-anyone-have-any-advice-on-how-to-take-a-video-of-a-panel-reducing-or-perceptually-eliminating-the-flicker/1196)
**Author:** [@cubinarium](https://rpi-rgb-led-matrix.discourse.group/u/cubinarium)\ **Replies:** 2\ **Last updated:** [March 24, 2026, 6:40pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/does-anyone-have-any-advice-on-how-to-take-a-video-of-a-panel-reducing-or-perceptually-eliminating-the-flicker/1196 "2026-03-24T18:40:35Z")
Hi all, I’m hoping to take some videos of my project which is based on standard HUB75 panels running under hzeller’s library, I’ve tried with the stock iPhone camera app and Blackmagic Camera with a low shutter rate (th… --- ## [Qiangli Q2.5 128x64 Output is White bars](https://rpi-rgb-led-matrix.discourse.group/t/qiangli-q2-5-128x64-output-is-white-bars/1187)
**Author:** [@Remii](https://rpi-rgb-led-matrix.discourse.group/u/Remii)\ **Replies:** 53\ **Last updated:** [March 23, 2026, 9:20am UTC](https://rpi-rgb-led-matrix.discourse.group/t/qiangli-q2-5-128x64-output-is-white-bars/1187 "2026-03-23T09:20:37Z")
Im messing with panels i purchased on aliexpress which turned out to be a qiangli branded panel and despite messing with it until i tried this library i was unable to get any output to the board. Now By using –led-pane… --- ## [P2.5 128x64-32S-JHT1 FM6124EJ + Adafruit Triple Bonnet - my findings](https://rpi-rgb-led-matrix.discourse.group/t/p2-5-128x64-32s-jht1-fm6124ej-adafruit-triple-bonnet-my-findings/1199)
**Author:** [@b4rt0](https://rpi-rgb-led-matrix.discourse.group/u/b4rt0)\ **Replies:** 1\ **Last updated:** [March 23, 2026, 1:29am UTC](https://rpi-rgb-led-matrix.discourse.group/t/p2-5-128x64-32s-jht1-fm6124ej-adafruit-triple-bonnet-my-findings/1199 "2026-03-23T01:29:35Z")
I thought it would be nice to share my findings about P2.5 128x64-32S-JHT1 panel with FM6124EJ IC in configuration with Adafruit Triple LED Matrix Bonnet and Raspberry Pi Zero 2W running dietpi. As I’m a total newbie I … --- ## [HUB75 not displaying correct colours](https://rpi-rgb-led-matrix.discourse.group/t/hub75-not-displaying-correct-colours/1197)
**Author:** [@mrlw](https://rpi-rgb-led-matrix.discourse.group/u/mrlw)\ **Replies:** 1\ **Last updated:** [March 23, 2026, 1:26am UTC](https://rpi-rgb-led-matrix.discourse.group/t/hub75-not-displaying-correct-colours/1197 "2026-03-23T01:26:56Z")
i’m using an adafruit bonnet with a raspberry pi zero w with 2 chained hub75 matrices, and i’m having trouble with my colours. when displaying my image, which has one shade of yellow, it would only display red. eventuall… --- ## [HUB75 - how to reliably drive two panel rows 80cm apart from one Pi3B+?](https://rpi-rgb-led-matrix.discourse.group/t/hub75-how-to-reliably-drive-two-panel-rows-80cm-apart-from-one-pi3b/1195)
**Author:** [@toyeolaf](https://rpi-rgb-led-matrix.discourse.group/u/toyeolaf)\ **Replies:** 4\ **Last updated:** [March 23, 2026, 1:25am UTC](https://rpi-rgb-led-matrix.discourse.group/t/hub75-how-to-reliably-drive-two-panel-rows-80cm-apart-from-one-pi3b/1195 "2026-03-23T01:25:11Z")
Hey all, first time here and super new to LED panels so bear with me. For an art project, I have to run a poem and its translation parallely on two rows of HUB75 panels. I’m running a Raspberry Pi 3B+ with an Adafruit … --- ## [L10D-3535-2S v3.8 /2 scan outdoor panels 32x16](https://rpi-rgb-led-matrix.discourse.group/t/l10d-3535-2s-v3-8-2-scan-outdoor-panels-32x16/1198)
**Author:** [@marcmerlin](https://rpi-rgb-led-matrix.discourse.group/u/marcmerlin)\ **Replies:** 2\ **Last updated:** [March 17, 2026, 8:37am UTC](https://rpi-rgb-led-matrix.discourse.group/t/l10d-3535-2s-v3-8-2-scan-outdoor-panels-32x16/1198 "2026-03-17T08:37:08Z")
Just ended up with these panels, and they don’t work with any of the existing mappers 1=Stripe; 2=Checkered; 3=Spiral; 4=ZStripe; 5=ZnMirrorZStripe; 6=coreman; 7=Kaler2Scan; 8=ZStripeUneven; 9=P10-128x4-Z; 10=QiangLiQ8;… --- ## [Waveshare 96x48 not showing anything while connected but show garbage when not connected](https://rpi-rgb-led-matrix.discourse.group/t/waveshare-96x48-not-showing-anything-while-connected-but-show-garbage-when-not-connected/1194)
**Author:** [@zainbintariq248](https://rpi-rgb-led-matrix.discourse.group/u/zainbintariq248)\ **Replies:** 4\ **Last updated:** [March 10, 2026, 10:52am UTC](https://rpi-rgb-led-matrix.discourse.group/t/waveshare-96x48-not-showing-anything-while-connected-but-show-garbage-when-not-connected/1194 "2026-03-10T10:52:36Z")
I am using waveshare 96x48 flexible 2.5mm pitch RGB with adafruit RGB bonnet connected to RPI Zero 2W. It was working perfectly fine before but now it is doing some strange things which I am not able to understand. Whe… --- ## [Fabulux platinum compatiblity](https://rpi-rgb-led-matrix.discourse.group/t/fabulux-platinum-compatiblity/1192)
**Author:** [@tadam](https://rpi-rgb-led-matrix.discourse.group/u/tadam)\ **Replies:** 8\ **Last updated:** [March 2, 2026, 11:26pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/fabulux-platinum-compatiblity/1192 "2026-03-02T23:26:39Z")
Hello there, I would like to ask some help. I did development 5 years ago which based on this library. Now I have to do it again, but a landscape changed a little. The panel which I have to work with is Fabulux platin… --- ## [Qiangli 32x32 P10 panel with LS9931CS+DP32020A-B - no output on RP2040](https://rpi-rgb-led-matrix.discourse.group/t/qiangli-32x32-p10-panel-with-ls9931cs-dp32020a-b-no-output-on-rp2040/1186)
**Author:** [@aknsha](https://rpi-rgb-led-matrix.discourse.group/u/aknsha)\ **Replies:** 2\ **Last updated:** [February 16, 2026, 5:56am UTC](https://rpi-rgb-led-matrix.discourse.group/t/qiangli-32x32-p10-panel-with-ls9931cs-dp32020a-b-no-output-on-rp2040/1186 "2026-02-16T05:56:35Z")
Panel specifications: Size: 32x32 pixels (P10 indoor module) Driver ICs: LS9931CS (LED driver) + DP32020A-B (row decoder) Address lines: A, B, C connected; D pin present but grounded on panel HUB75 interface … --- ## [Cube face mapping of 2D animated GIF](https://rpi-rgb-led-matrix.discourse.group/t/cube-face-mapping-of-2d-animated-gif/1190)
**Author:** [@cubinarium](https://rpi-rgb-led-matrix.discourse.group/u/cubinarium)\ **Replies:** 2\ **Last updated:** [February 16, 2026, 2:39am UTC](https://rpi-rgb-led-matrix.discourse.group/t/cube-face-mapping-of-2d-animated-gif/1190 "2026-02-16T02:39:33Z")
For some years now like a lot of you I’ve been building LED matrix cubes, there’s something about the cube geometry that always interested me, and the hzeller library just made this so accessible. I’ve been through the … --- ## [P6 32x32 HUB75 Incorrect Configuration](https://rpi-rgb-led-matrix.discourse.group/t/p6-32x32-hub75-incorrect-configuration/1189)
**Author:** [@Dooger](https://rpi-rgb-led-matrix.discourse.group/u/Dooger)\ **Replies:** 1\ **Last updated:** [February 10, 2026, 2:55pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/p6-32x32-hub75-incorrect-configuration/1189 "2026-02-10T14:55:30Z")
I’m struggling to get any reasonable output trying to run demo 0 (rotating square). I had claude create a script that cycles through hundreds of configuration options but at the end of the day the closest I get is garble… --- ## [Chaining Hub75 and Hub75E panel](https://rpi-rgb-led-matrix.discourse.group/t/chaining-hub75-and-hub75e-panel/1182)
**Author:** [@mattchap](https://rpi-rgb-led-matrix.discourse.group/u/mattchap)\ **Replies:** 5\ **Last updated:** [February 10, 2026, 4:44am UTC](https://rpi-rgb-led-matrix.discourse.group/t/chaining-hub75-and-hub75e-panel/1182 "2026-02-10T04:44:00Z")
Hi I want to chain three P2.5 128x64 panels but I noticed one of them is HUB75 (ABC…which requires --led-row-addr-type=5) and the other two are Hub75E (which do not require any --led-row-addr-type flag). I can get each… --- ## [Python3 Binding - massive ghosting / flickering](https://rpi-rgb-led-matrix.discourse.group/t/python3-binding-massive-ghosting-flickering/1184)
**Author:** [@mm1293](https://rpi-rgb-led-matrix.discourse.group/u/mm1293)\ **Replies:** 1\ **Last updated:** [February 10, 2026, 4:35am UTC](https://rpi-rgb-led-matrix.discourse.group/t/python3-binding-massive-ghosting-flickering/1184 "2026-02-10T04:35:59Z")
Hello! I’ve tried the python3 Binding, just like described here: rpi-rgb-led-matrix/bindings/python at master · hzeller/rpi-rgb-led-matrix · GitHub While it installs just fine, the examples shows some massive ghosting … --- ## [Best way to physically connect panels](https://rpi-rgb-led-matrix.discourse.group/t/best-way-to-physically-connect-panels/1185)
**Author:** [@mattchap](https://rpi-rgb-led-matrix.discourse.group/u/mattchap)\ **Replies:** 5\ **Last updated:** [February 8, 2026, 2:39am UTC](https://rpi-rgb-led-matrix.discourse.group/t/best-way-to-physically-connect-panels/1185 "2026-02-08T02:39:37Z")
I’m trying to connect 3x P2.5 128x64 panels in a vertical stack (i.e. 128x192). Any ideas on how I connect the panels physically? I see M4 screw holes on the back but don’t see any ‘bracket’ type solutions online to jo… --- ## [RPI3+Electrodragon+Adafruit - top green](https://rpi-rgb-led-matrix.discourse.group/t/rpi3-electrodragon-adafruit-top-green/763)
**Author:** [@DiscoMatic](https://rpi-rgb-led-matrix.discourse.group/u/DiscoMatic)\ **Replies:** 9\ **Last updated:** [February 6, 2026, 4:48am UTC](https://rpi-rgb-led-matrix.discourse.group/t/rpi3-electrodragon-adafruit-top-green/763 "2026-02-06T04:48:48Z")
I am using a raspberry pi with the Electrodragon board to drive an Adafruit 64x32 display when I am using the demo’s they all show the top half of the board green. What can be the issue? --- ## [128x64 P2.5 outdoor panel won't work with Adafruit Triple Matrix Bonnet, any ideas?](https://rpi-rgb-led-matrix.discourse.group/t/128x64-p2-5-outdoor-panel-wont-work-with-adafruit-triple-matrix-bonnet-any-ideas/1181)
**Author:** [@rlchard](https://rpi-rgb-led-matrix.discourse.group/u/rlchard)\ **Replies:** 4\ **Last updated:** [February 4, 2026, 3:47am UTC](https://rpi-rgb-led-matrix.discourse.group/t/128x64-p2-5-outdoor-panel-wont-work-with-adafruit-triple-matrix-bonnet-any-ideas/1181 "2026-02-04T03:47:18Z")
Going slightly mad here. I’ve got 6 Chinese 128x64 P2.5 outdoor panels that I cannot get working with an Adafruit Triple LED Matrix Bonnet on a Pi 4. Panel specs from the label: MS-P2.5-251101, scan rate 1/16, FM6373D d… --- ## [128x64 RGB P2.5 32S - RUL6024 + 7258D / E Line Help](https://rpi-rgb-led-matrix.discourse.group/t/128x64-rgb-p2-5-32s-rul6024-7258d-e-line-help/1170)
**Author:** [@Kali](https://rpi-rgb-led-matrix.discourse.group/u/Kali)\ **Replies:** 2\ **Last updated:** [January 31, 2026, 7:22pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/128x64-rgb-p2-5-32s-rul6024-7258d-e-line-help/1170 "2026-01-31T19:22:52Z")
Hi All seeing if can get a bit of help with these panels. I ordered these panels about a month ago as the where a pretty good deal on aliepress for 4 for 60$ with the pixel density. p2.5-320x160-2020-32s-pv1.0 (Model o… --- ## [Active3 advanced pixel mappers (serp, z, u)?](https://rpi-rgb-led-matrix.discourse.group/t/active3-advanced-pixel-mappers-serp-z-u/1177)
**Author:** [@ghyphstone](https://rpi-rgb-led-matrix.discourse.group/u/ghyphstone)\ **Replies:** 2\ **Last updated:** [January 31, 2026, 7:20pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/active3-advanced-pixel-mappers-serp-z-u/1177 "2026-01-31T19:20:54Z")
Advanced (z, u etc) pixel mappers for adafruit active3 bonnet. In short: are any of the pixel mapper modes of this lib relevant to this three-port interface? That was not clear on a first read. I have 3 chains of 4 64x… --- ## [Display turns off after a few seconds](https://rpi-rgb-led-matrix.discourse.group/t/display-turns-off-after-a-few-seconds/1176)
**Author:** [@Kierobinson](https://rpi-rgb-led-matrix.discourse.group/u/Kierobinson)\ **Replies:** 2\ **Last updated:** [January 31, 2026, 7:09pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/display-turns-off-after-a-few-seconds/1176 "2026-01-31T19:09:50Z")
Hi there, new to the forums but have spent a good few weeks trying to figure this out! I’ve tried 3 different Pi’s (two Pi 4’s and one Pi 3) and 3 different adafruit matrix bonnets and 3 different displays (all HUB75, t… --- ## [I have a 64x64 RGB Panel from Joy-IT and is flickering](https://rpi-rgb-led-matrix.discourse.group/t/i-have-a-64x64-rgb-panel-from-joy-it-and-is-flickering/1142)
**Author:** [@Morta](https://rpi-rgb-led-matrix.discourse.group/u/Morta)\ **Replies:** 5\ **Last updated:** [January 16, 2026, 8:28pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/i-have-a-64x64-rgb-panel-from-joy-it-and-is-flickering/1142 "2026-01-16T20:28:29Z")
Here the back from the panel Datasheet and the Manuel I have a extension board from joy-it What I’m doing wrong? --- ## [128x64 black stripe panel](https://rpi-rgb-led-matrix.discourse.group/t/128x64-black-stripe-panel/1145)
**Author:** [@giga45632](https://rpi-rgb-led-matrix.discourse.group/u/giga45632)\ **Replies:** 6\ **Last updated:** [January 12, 2026, 12:37am UTC](https://rpi-rgb-led-matrix.discourse.group/t/128x64-black-stripe-panel/1145 "2026-01-12T00:37:48Z")
Hello everyone! the panel : I have three LED panels connected in series to a Raspberry Pi 4 shield (Electrodragon shield). The text command works: sudo ./text-scroller \\ --led-rows=64 \\ --led-cols=128 \\ --led-cha… --- ## [128\*64 Hub75 panel won't display correctly](https://rpi-rgb-led-matrix.discourse.group/t/128-64-hub75-panel-wont-display-correctly/1172)
**Author:** [@Lupow132](https://rpi-rgb-led-matrix.discourse.group/u/Lupow132)\ **Replies:** 2\ **Last updated:** [December 24, 2025, 1:13pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/128-64-hub75-panel-wont-display-correctly/1172 "2025-12-24T13:13:32Z")
Hello! I need some help I been trying for 2 days try to make this work. I already check all the wiring and I think I did everything correctly The Panel I order link:https://th.aliexpress.com/item/1005003671026006.html… --- ## [Master Feature: Centralized 'rgbmatrix' command-line interface (CLI)](https://rpi-rgb-led-matrix.discourse.group/t/master-feature-centralized-rgbmatrix-command-line-interface-cli/1164)
**Author:** [@deadlift89](https://rpi-rgb-led-matrix.discourse.group/u/deadlift89)\ **Replies:** 30\ **Last updated:** [December 21, 2025, 11:50pm UTC](https://rpi-rgb-led-matrix.discourse.group/t/master-feature-centralized-rgbmatrix-command-line-interface-cli/1164 "2025-12-21T23:50:26Z")
Feature: Centralized ‘rgbmatrix’ command-line interface (CLI) Hello there, I have some extra free time over the holidays and I’m looking to develop a feature that I think this project needs. I make heavy use of this arch… --- ## [C# examples issues](https://rpi-rgb-led-matrix.discourse.group/t/c-examples-issues/1157)
**Author:** [@evilC](https://rpi-rgb-led-matrix.discourse.group/u/evilC)\ **Replies:** 7\ **Last updated:** [December 20, 2025, 7:15am UTC](https://rpi-rgb-led-matrix.discourse.group/t/c-examples-issues/1157 "2025-12-20T07:15:12Z")
I see some changes were made recently to the C# bindings, but I still can’t get the PlayGif example to run. There are issues with some of the others, but I managed to work around them. I thought I would post here rather… --- ## [Removing (De-soldering?) connectors from flexible panels?](https://rpi-rgb-led-matrix.discourse.group/t/removing-de-soldering-connectors-from-flexible-panels/1166)
**Author:** [@evilC](https://rpi-rgb-led-matrix.discourse.group/u/evilC)\ **Replies:** 3\ **Last updated:** [December 18, 2025, 6:24am UTC](https://rpi-rgb-led-matrix.discourse.group/t/removing-de-soldering-connectors-from-flexible-panels/1166 "2025-12-18T06:24:41Z")
For my T-shirt project, I would like to get it as low-profile as possible (So that the panel sticks out as little as possible) Most of the height of the panel is due to the Hub75 and power connectors, so I would like to… --- ## [Cannot get panel to display anything](https://rpi-rgb-led-matrix.discourse.group/t/cannot-get-panel-to-display-anything/1156)
**Author:** [@evilC](https://rpi-rgb-led-matrix.discourse.group/u/evilC)\ **Replies:** 15\ **Last updated:** [December 17, 2025, 7:23am UTC](https://rpi-rgb-led-matrix.discourse.group/t/cannot-get-panel-to-display-anything/1156 "2025-12-17T07:23:09Z")
I have the following componments: RPi Zero W Electrodragon Active-3 board (Latest rev - v3?) I have configured the jumpers for the E line on pin 8 (Green lines in pic below): A 128x64 ABCDE panel I cannot seem… [Previous page](https://rpi-rgb-led-matrix.discourse.group/c/uncategorized/1.md) [Next page](https://rpi-rgb-led-matrix.discourse.group/c/uncategorized/1.md?page=2)