# Latest

**URL:** https://forum.electromage.com/latest.md

[Latest](https://forum.electromage.com/latest.md) · [Categories](https://forum.electromage.com/categories.md) · [Tags](https://forum.electromage.com/tags.md)

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## [Welcome to ElectroMage Forums](https://forum.electromage.com/t/welcome-to-electromage-forums/7)

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**Author:** [@system](https://forum.electromage.com/u/system)\
**Replies:** 0\
**Last updated:** [March 27, 2019, 6:32pm UTC](https://forum.electromage.com/t/welcome-to-electromage-forums/7 "2019-03-27T18:32:46Z")

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Welcome to the ElectroMage Forums for Pixelblaze and other wizardry! Here you will find tips, tricks, troubleshooting, and projects people have made! Drop by, introduce yourself, share your project, browse, and have fun! …

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## [Two DOA Pixelblazes?](https://forum.electromage.com/t/two-doa-pixelblazes/4767)

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**Author:** [@Skydyvyr](https://forum.electromage.com/u/Skydyvyr)\
**Replies:** 2\
**Last updated:** [September 24, 2026, 11:39am UTC](https://forum.electromage.com/t/two-doa-pixelblazes/4767 "2026-09-24T11:39:35Z")

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I can’t believe I received two defective pixelblaze units, but I’ve wired them both up, verified that they are receiving 4.66vdc, but they don’t light up. Can you see anything wrong with my setup? Here’s the details: …

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## [openSCAD 3D pixel mappr tool](https://forum.electromage.com/t/openscad-3d-pixel-mappr-tool/3771)

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**Author:** [@overflo](https://forum.electromage.com/u/overflo)\
**Replies:** 6\
**Last updated:** [September 23, 2026, 11:56am UTC](https://forum.electromage.com/t/openscad-3d-pixel-mappr-tool/3771 "2026-09-23T11:56:45Z")

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so i am building yet another dome. this time its aluminum 2v dome like this: 2V Geodesic Dome Calculator » Domerama most rods will have leds on them. to make my life easier i wrote an opensCAD script to print me the c…

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## [How to change patterns with digital input](https://forum.electromage.com/t/how-to-change-patterns-with-digital-input/4765)

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**Author:** [@airtap](https://forum.electromage.com/u/airtap)\
**Replies:** 0\
**Last updated:** [September 20, 2026, 1:54am UTC](https://forum.electromage.com/t/how-to-change-patterns-with-digital-input/4765 "2026-09-20T01:54:14Z")

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Hello. I have a pixelblaze 3.6 driving an 8x8 matrix. I am trying to use the digital inputs to control a pattern change, eg. I25 invokes “pattern 1” and I26 “pattern 2”. I will control the inputs by turning each on and …

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## [Using Pro Expander 5v with 12v power source to power 1400 LEDs](https://forum.electromage.com/t/using-pro-expander-5v-with-12v-power-source-to-power-1400-leds/4761)

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**Author:** [@saskiaebe](https://forum.electromage.com/u/saskiaebe)\
**Replies:** 1\
**Last updated:** [September 18, 2026, 6:11pm UTC](https://forum.electromage.com/t/using-pro-expander-5v-with-12v-power-source-to-power-1400-leds/4761 "2026-09-18T18:11:19Z")

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Hello! I am new to Pixelblaze and electronics in general. I am planning to use Pixlelblaze V3 Standard XL, Pixelblaze Sensor Board, and Pixelblaze 5V Pro Output Expander to power and control between 1400 and 2000 LEDs. …

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## [Control board/MIDI pre-made compatible with Pixelblaze?](https://forum.electromage.com/t/control-board-midi-pre-made-compatible-with-pixelblaze/2968)

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**Author:** [@hololit](https://forum.electromage.com/u/hololit)\
**Replies:** 4\
**Last updated:** [September 14, 2026, 11:28pm UTC](https://forum.electromage.com/t/control-board-midi-pre-made-compatible-with-pixelblaze/2968 "2026-09-14T23:28:01Z")

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Hello, me again ! I’d like to be able to use a physical controller plugged to a Pixelblaze+Sensor board to control a pattern dynamically, to drive for example a wireless wearable running the Pico. I could build mine, b…

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## [Pixelblaze Discovery Issue: Chrome vs. Safari Behavior](https://forum.electromage.com/t/pixelblaze-discovery-issue-chrome-vs-safari-behavior/4757)

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**Author:** [@dllnoah](https://forum.electromage.com/u/dllnoah)\
**Replies:** 2\
**Last updated:** [September 7, 2026, 4:22pm UTC](https://forum.electromage.com/t/pixelblaze-discovery-issue-chrome-vs-safari-behavior/4757 "2026-09-07T16:22:52Z")

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I’m having an issue with the Pixelblaze Discovery service that behaves differently depending on the browser. Using Chrome: Pixelblaze Discovery works and shows the Pixelblaze devices on my network, including their IP a…

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## [Release V3.70 - bugfixes for sync groups and more](https://forum.electromage.com/t/release-v3-70-bugfixes-for-sync-groups-and-more/4746)

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**Author:** [@wizard](https://forum.electromage.com/u/wizard)\
**Replies:** 1\
**Last updated:** [September 4, 2026, 4:48pm UTC](https://forum.electromage.com/t/release-v3-70-bugfixes-for-sync-groups-and-more/4746 "2026-09-04T16:48:58Z")

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This is a bugfix release, chasing down a few hard to chase down bugs! Fix a bad bug that could brick a PB when in playlist mode and all of it’s patterns are deleted (not removed from the playlist). It’s possible but tr…

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## [Pixelblaze plus expander: 8 or 9 outputs?](https://forum.electromage.com/t/pixelblaze-plus-expander-8-or-9-outputs/4697)

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**Author:** [@Bpilat](https://forum.electromage.com/u/Bpilat)\
**Replies:** 4\
**Last updated:** [September 2, 2026, 11:18pm UTC](https://forum.electromage.com/t/pixelblaze-plus-expander-8-or-9-outputs/4697 "2026-09-02T23:18:15Z")

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When using a Pixelblaze and one expander, is the Pixelblaze’s one output available to control one string of pixels AND provide signal to the expander? I’m curious if the total outputs of a Pixelblaze plus one expander i…

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## [PXLBLZ v2 - Fixing the last bugs](https://forum.electromage.com/t/pxlblz-v2-fixing-the-last-bugs/4736)

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**Author:** [@captainCat](https://forum.electromage.com/u/captainCat)\
**Replies:** 5\
**Last updated:** [August 28, 2026, 9:32am UTC](https://forum.electromage.com/t/pxlblz-v2-fixing-the-last-bugs/4736 "2026-08-28T09:32:18Z")

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## [DIY Motorised Faders](https://forum.electromage.com/t/diy-motorised-faders/4748)

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**Author:** [@G6eorge](https://forum.electromage.com/u/G6eorge)\
**Replies:** 0\
**Last updated:** [August 27, 2026, 9:50am UTC](https://forum.electromage.com/t/diy-motorised-faders/4748 "2026-08-27T09:50:10Z")

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Absolutely no credit claimed but this is too good not to share here. So many uses for DIY LED controller set-ups!

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## [Are Pico+ ADC values able to be broadcast to non-followers](https://forum.electromage.com/t/are-pico-adc-values-able-to-be-broadcast-to-non-followers/4747)

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**Author:** [@G6eorge](https://forum.electromage.com/u/G6eorge)\
**Replies:** 0\
**Last updated:** [August 26, 2026, 3:23pm UTC](https://forum.electromage.com/t/are-pico-adc-values-able-to-be-broadcast-to-non-followers/4747 "2026-08-26T15:23:34Z")

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Hi All It is great that the Pico V3 + Gyro now has 4x Analogue Input pins available (33, 34, 36, 39) and the same on the ‘newer’ version of the PB V3. I’ve been using these successfully for brightness sliders etc, but I…

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## [Updated docs one the main site for leader and follower setups?](https://forum.electromage.com/t/updated-docs-one-the-main-site-for-leader-and-follower-setups/4743)

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**Author:** [@hex337](https://forum.electromage.com/u/hex337)\
**Replies:** 0\
**Last updated:** [August 16, 2026, 3:45pm UTC](https://forum.electromage.com/t/updated-docs-one-the-main-site-for-leader-and-follower-setups/4743 "2026-08-16T15:45:45Z")

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I couldn’t find anything in the existing docs about the leader and follower setups (the only info is in the forums). Any chance the main docs could get an updated section on how this feature works and its limitations? M…

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## [pbz: an unofficial CLI + JS library for Pixelblaze (headless pattern compiling)](https://forum.electromage.com/t/pbz-an-unofficial-cli-js-library-for-pixelblaze-headless-pattern-compiling/4742)

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**Author:** [@tarek](https://forum.electromage.com/u/tarek)\
**Replies:** 0\
**Last updated:** [August 15, 2026, 8:31pm UTC](https://forum.electromage.com/t/pbz-an-unofficial-cli-js-library-for-pixelblaze-headless-pattern-compiling/4742 "2026-08-15T20:31:15Z")

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Ben just helped me revive a V3 whose flash writes had slowed to a crawl (thanks again, board’s fine now). Backstory: earlier this summer my 12-year-old and I put up a 170-pixel WRGB ring around our living room, driven by…

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## [Pico v3 unresponsive ](https://forum.electromage.com/t/pico-v3-unresponsive/4737)

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**Author:** [@Wheez](https://forum.electromage.com/u/Wheez)\
**Replies:** 2\
**Last updated:** [August 15, 2026, 5:47pm UTC](https://forum.electromage.com/t/pico-v3-unresponsive/4737 "2026-08-15T17:47:43Z")

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I just got my pv3 and hooked up 1m of ws2812 and when I plugged it in I got nothing. No lights on the board, nothing. I double checked my wiring, checked for shorts, tried a different power supply, wire, strip, and still…

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## [Dimensions of Pro Expander](https://forum.electromage.com/t/dimensions-of-pro-expander/4741)

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**Author:** [@Bpilat](https://forum.electromage.com/u/Bpilat)\
**Replies:** 0\
**Last updated:** [August 15, 2026, 1:39am UTC](https://forum.electromage.com/t/dimensions-of-pro-expander/4741 "2026-08-15T01:39:19Z")

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Can anyone share dimensions of the Pro Expander? Ideally with and without an attached PixelBlaze. Thanks!

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## [V3 Standard: every flash write crawls, but the chip dumps perfectly. SPIFFS with zero free blocks?](https://forum.electromage.com/t/v3-standard-every-flash-write-crawls-but-the-chip-dumps-perfectly-spiffs-with-zero-free-blocks/4738)

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**Author:** [@tarek](https://forum.electromage.com/u/tarek)\
**Replies:** 2\
**Last updated:** [August 14, 2026, 5:27pm UTC](https://forum.electromage.com/t/v3-standard-every-flash-write-crawls-but-the-chip-dumps-perfectly-spiffs-with-zero-free-blocks/4738 "2026-08-14T17:27:16Z")

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Hi Ben. I’ve got a V3 Standard that went bad on 2026-07-20. Before touching anything I pulled a full flash dump, and I think I’ve ruled out the flash chip itself. I’d love a sanity check before I erase the filesystem par…

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## [Free Online Pixelblaze Pattern design program](https://forum.electromage.com/t/free-online-pixelblaze-pattern-design-program/4740)

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**Author:** [@tjulius](https://forum.electromage.com/u/tjulius)\
**Replies:** 1\
**Last updated:** [August 14, 2026, 3:35am UTC](https://forum.electromage.com/t/free-online-pixelblaze-pattern-design-program/4740 "2026-08-14T03:35:42Z")

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I developed an online pattern creating program for my Burning Man friends to create patterns easy. Everyone is welcome to use it for free: Pixelblaze Pattern Editor

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## [Coding Approach Suggestions for Five Compound Tetrahedron](https://forum.electromage.com/t/coding-approach-suggestions-for-five-compound-tetrahedron/4725)

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**Author:** [@G6eorge](https://forum.electromage.com/u/G6eorge)\
**Replies:** 2\
**Last updated:** [August 12, 2026, 11:43am UTC](https://forum.electromage.com/t/coding-approach-suggestions-for-five-compound-tetrahedron/4725 "2026-08-12T11:43:40Z")

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Good day all, This request for a nudge on the right coding direction is specific to my 5 Compound Tetrahedron model. I’m attempting to learn pattern generation on the PB and I think I have a basic grasp and can figure …

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## [Sensor Board for Sale?](https://forum.electromage.com/t/sensor-board-for-sale/4733)

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**Author:** [@SkyPirate](https://forum.electromage.com/u/SkyPirate)\
**Replies:** 1\
**Last updated:** [August 10, 2026, 6:07pm UTC](https://forum.electromage.com/t/sensor-board-for-sale/4733 "2026-08-10T18:07:44Z")

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I accidentally plugged a 12V source to my Pixelblaze and I believe I fried my sensor board. The controller is working though… I don’t see any sensor boards in stock. Anyone by any chance have any you’d be willing to sel…

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## [PixelBlaze Mapping](https://forum.electromage.com/t/pixelblaze-mapping/4731)

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**Author:** [@Unsichtbar](https://forum.electromage.com/u/Unsichtbar)\
**Replies:** 2\
**Last updated:** [August 5, 2026, 9:28pm UTC](https://forum.electromage.com/t/pixelblaze-mapping/4731 "2026-08-05T21:28:48Z")

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I have created a map using the LED Mapper tool as well as a number of different tools and my array shows up as two separate arrays. it is shown in the correct shape in the mapper, but the top and bottom sections seem to …

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## [Newly-uploaded pattern delete request + issues with authed pattern upload](https://forum.electromage.com/t/newly-uploaded-pattern-delete-request-issues-with-authed-pattern-upload/4721)

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**Author:** [@captainCat](https://forum.electromage.com/u/captainCat)\
**Replies:** 1\
**Last updated:** [August 2, 2026, 7:48pm UTC](https://forum.electromage.com/t/newly-uploaded-pattern-delete-request-issues-with-authed-pattern-upload/4721 "2026-08-02T19:48:23Z")

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Hello @wizard I uploaded Redline Machine 2D anonymously (today, the one with a blank preview, pattern id \`pxbNETgntKZhzRnL7\`). First pattern upload, didn’t go perfectly. Could you delete it? I’d like to re-upload it pro…

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## [Sunrise Alarm Clock Pattern](https://forum.electromage.com/t/sunrise-alarm-clock-pattern/4065)

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**Author:** [@drewmacrae](https://forum.electromage.com/u/drewmacrae)\
**Replies:** 2\
**Last updated:** [August 1, 2026, 3:01am UTC](https://forum.electromage.com/t/sunrise-alarm-clock-pattern/4065 "2026-08-01T03:01:02Z")

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Sunrise Alarm Clock.epe (13.7 KB) I had a lot of fun writing this pattern to play a little sunrise and sunset and then show something for the rest of the day. Some of it’s probably generally useful as well: Pattern sta…

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## [Follower Board Booting Before Leader and Patterns Out of Sync](https://forum.electromage.com/t/follower-board-booting-before-leader-and-patterns-out-of-sync/4718)

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**Author:** [@Lightexpressions](https://forum.electromage.com/u/Lightexpressions)\
**Replies:** 5\
**Last updated:** [July 31, 2026, 3:28pm UTC](https://forum.electromage.com/t/follower-board-booting-before-leader-and-patterns-out-of-sync/4718 "2026-07-31T15:28:28Z")

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I’ve been doing some testing with two Pixelblazes running in leader/follower mode, and I’ve noticed an odd startup behavior. The follower Pixelblaze consistently boots before the leader. Because of that, it initially st…

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## [Batteries-included Claude Code template project](https://forum.electromage.com/t/batteries-included-claude-code-template-project/4667)

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**Author:** [@CodingTom](https://forum.electromage.com/u/CodingTom)\
**Replies:** 2\
**Last updated:** [July 30, 2026, 4:06am UTC](https://forum.electromage.com/t/batteries-included-claude-code-template-project/4667 "2026-07-30T04:06:10Z")

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(Apologies if this already exists in some form, but I couldn’t find anything exactly like this in the forums, and wanted to share in case it helps others!) Hey folks, I’ve been working on a little setup that helps to cr…

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## [coding assistance needed: Oscillara](https://forum.electromage.com/t/coding-assistance-needed-oscillara/4724)

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**Author:** [@TwistyvMaurice](https://forum.electromage.com/u/TwistyvMaurice)\
**Replies:** 0\
**Last updated:** [July 28, 2026, 2:17am UTC](https://forum.electromage.com/t/coding-assistance-needed-oscillara/4724 "2026-07-28T02:17:21Z")

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I’m Therese, half of Twisty Maurice — with Misty and our tech guy @ColtSevers (Andy Batt). I’m new to this forum. Twisty Maurice has been using Pixelblaze for a few years. We’re happy to call Ben our friend — he suggest…

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## [Compound of Five Tetrahedrons](https://forum.electromage.com/t/compound-of-five-tetrahedrons/4723)

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**Author:** [@G6eorge](https://forum.electromage.com/u/G6eorge)\
**Replies:** 1\
**Last updated:** [July 26, 2026, 4:41pm UTC](https://forum.electromage.com/t/compound-of-five-tetrahedrons/4723 "2026-07-26T16:41:14Z")

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Good Day fellow photon wranglers! I have been working on a few LED project for years and thought it might be time to share one or two of them. I’ve always found Polyhedra interesting, especially stellations or compounds…

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## [Slip ring data issues - run parallel data conductors through slip ring?](https://forum.electromage.com/t/slip-ring-data-issues-run-parallel-data-conductors-through-slip-ring/4722)

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**Author:** [@SpicyBatch](https://forum.electromage.com/u/SpicyBatch)\
**Replies:** 1\
**Last updated:** [July 25, 2026, 10:20pm UTC](https://forum.electromage.com/t/slip-ring-data-issues-run-parallel-data-conductors-through-slip-ring/4722 "2026-07-25T22:20:32Z")

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Hey there folks! Circle Flirt has been pretty successful. There’s been a number of upgrades (battery powered, photocell switch, travels in a road case, reasonably robust weatherizing) I just had another slip ring begin …

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## [Really poor frame rates, I don't see what could be wrong?](https://forum.electromage.com/t/really-poor-frame-rates-i-dont-see-what-could-be-wrong/4652)

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**Author:** [@ratkins](https://forum.electromage.com/u/ratkins)\
**Replies:** 3\
**Last updated:** [July 18, 2026, 2:11pm UTC](https://forum.electromage.com/t/really-poor-frame-rates-i-dont-see-what-could-be-wrong/4652 "2026-07-18T14:11:27Z")

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Claude (Opus 4.6) oneshotted this perfectly from the description. Only problem is the frame rate, it’s just way too slow at 2-3fps. The piece is ~1400 pixels divided up into 120-220 pixel panels on each pin of an output …

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## [Relationship between saved pattern and websocket changes?](https://forum.electromage.com/t/relationship-between-saved-pattern-and-websocket-changes/4719)

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**Author:** [@kptb](https://forum.electromage.com/u/kptb)\
**Replies:** 5\
**Last updated:** [July 16, 2026, 5:55pm UTC](https://forum.electromage.com/t/relationship-between-saved-pattern-and-websocket-changes/4719 "2026-07-16T17:55:30Z")

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I am using a base pattern with a lot of variables, which I am changing via WS commands on a streamdeck keypad. The sketch is changing in line with the commands, and I understand we are advised not to use WS commands and…

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