# ETC

**URL:** https://forum.critterandguitari.com/c/etc/11.md

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

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## [About the ETC category](https://forum.critterandguitari.com/t/about-the-etc-category/1081)

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**Author:** [@critter](https://forum.critterandguitari.com/u/critter)\
**Replies:** 0

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Discussion about Critter & Guitari's video synthesizer the ETC

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## [ETC hdmi not recognised by rode video s but output on TV](https://forum.critterandguitari.com/t/etc-hdmi-not-recognised-by-rode-video-s-but-output-on-tv/11391)

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**Author:** [@testcard](https://forum.critterandguitari.com/u/testcard)\
**Replies:** 2\
**Last updated:** [August 13, 2026, 10:21am UTC](https://forum.critterandguitari.com/t/etc-hdmi-not-recognised-by-rode-video-s-but-output-on-tv/11391 "2026-08-13T10:21:21Z")

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Help ! my old CG - ETC hdmi is not recognised by the ‘rode video s’ but outputs on TV when i connect it directly and wondering what the issue may be ? Grateful for any advice. Thanks, Adrian

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## [Projector advice](https://forum.critterandguitari.com/t/projector-advice/1266)

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**Author:** [@mbillz](https://forum.critterandguitari.com/u/mbillz)\
**Replies:** 9\
**Last updated:** [July 3, 2026, 9:07am UTC](https://forum.critterandguitari.com/t/projector-advice/1266 "2026-07-03T09:07:59Z")

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I have never purchased a projector before and am looking for some advice from anyone that has used the ETC with one. From my research, I've determined I likely need a short throw for my life shows. It looks like the ET…

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## [ETC.py - Browser-based ETC Emulator (Alpha Release)](https://forum.critterandguitari.com/t/etc-py-browser-based-etc-emulator-alpha-release/11202)

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**Author:** [@AV99](https://forum.critterandguitari.com/u/AV99)\
**Replies:** 0\
**Last updated:** [December 8, 2025, 9:14am UTC](https://forum.critterandguitari.com/t/etc-py-browser-based-etc-emulator-alpha-release/11202 "2025-12-08T09:14:52Z")

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Hi everyone, I’ve been working on a browser-based emulator for the Critter & Guitari ETC that I’d like to share with the community. It’s currently in alpha, but stable enough for experimentation and even some live perfo…

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## [ETC buttons skipping Modes](https://forum.critterandguitari.com/t/etc-buttons-skipping-modes/6928)

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**Author:** [@rulinn](https://forum.critterandguitari.com/u/rulinn)\
**Replies:** 7\
**Last updated:** [November 8, 2024, 2:48pm UTC](https://forum.critterandguitari.com/t/etc-buttons-skipping-modes/6928 "2024-11-08T14:48:31Z")

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Hello, My ETC has been skipping over modes when pressing the toggle buttons. Is this a software issue or just the buttons?

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## [ETC wireless adaptor not working](https://forum.critterandguitari.com/t/etc-wireless-adaptor-not-working/10707)

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**Author:** [@Victorino](https://forum.critterandguitari.com/u/Victorino)\
**Replies:** 6\
**Last updated:** [November 5, 2024, 12:40am UTC](https://forum.critterandguitari.com/t/etc-wireless-adaptor-not-working/10707 "2024-11-05T00:40:15Z")

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Difficulty Setting Up KP-AW155 Wi-Fi Adapter with Critter & Guitari ETC Hello everyone, I’m having trouble setting up a Wi-Fi adapter with my Critter & Guitari ETC video synthesizer. I recently purchased a KP-AW155 Wi-…

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## [ETC on Raspberry PI](https://forum.critterandguitari.com/t/etc-on-raspberry-pi/2663)

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**Author:** [@Korb](https://forum.critterandguitari.com/u/Korb)\
**Replies:** 10\
**Last updated:** [November 27, 2023, 7:55am UTC](https://forum.critterandguitari.com/t/etc-on-raspberry-pi/2663 "2023-11-27T07:55:14Z")

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Hi, is it possible to port/run ETC on an Raspberry PI? Cheers Marcus

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## [The error: The FreeType 2 library hasn't been initialized: how to solve?](https://forum.critterandguitari.com/t/the-error-the-freetype-2-library-hasnt-been-initialized-how-to-solve/9673)

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**Author:** [@coderodde](https://forum.critterandguitari.com/u/coderodde)\
**Replies:** 2\
**Last updated:** [July 18, 2023, 4:16am UTC](https://forum.critterandguitari.com/t/the-error-the-freetype-2-library-hasnt-been-initialized-how-to-solve/9673 "2023-07-18T04:16:32Z")

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When I run my custom mode, it throws me the following error: The FreeType 2 library hasn’t been initialized Is there a way to make it work? My mode is here: Mod 2B. · GitHub

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## [In ETC, what is etc.audio\_in?](https://forum.critterandguitari.com/t/in-etc-what-is-etc-audio-in/9642)

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**Author:** [@coderodde](https://forum.critterandguitari.com/u/coderodde)\
**Replies:** 1\
**Last updated:** [July 11, 2023, 12:23pm UTC](https://forum.critterandguitari.com/t/in-etc-what-is-etc-audio-in/9642 "2023-07-11T12:23:36Z")

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In an ETC mode, I have seen etc.audio\_in. From the code, I understood it’s a Python list of 100 elements, but I am not confident what the elements represent.

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## [Can Numpy be added to ETC firmware?](https://forum.critterandguitari.com/t/can-numpy-be-added-to-etc-firmware/4334)

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**Author:** [@ETTC](https://forum.critterandguitari.com/u/ETTC)\
**Replies:** 4\
**Last updated:** [July 10, 2023, 5:38pm UTC](https://forum.critterandguitari.com/t/can-numpy-be-added-to-etc-firmware/4334 "2023-07-10T17:38:56Z")

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Just curious if it is possible to update the ETC firmware to include numpy

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## [How to detect an LFO (low frequency oscillation) signal into the ETC?](https://forum.critterandguitari.com/t/how-to-detect-an-lfo-low-frequency-oscillation-signal-into-the-etc/9641)

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**Author:** [@coderodde](https://forum.critterandguitari.com/u/coderodde)\
**Replies:** 1\
**Last updated:** [July 10, 2023, 7:07am UTC](https://forum.critterandguitari.com/t/how-to-detect-an-lfo-low-frequency-oscillation-signal-into-the-etc/9641 "2023-07-10T07:07:13Z")

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Hello! Suppose the audio signal into ETC contains an LFO (low frequency oscillation) signal with frequency f and amplitude A. How can I compute both f and A? Best regards, rodde

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## [Using symbolic fonts in ETC](https://forum.critterandguitari.com/t/using-symbolic-fonts-in-etc/9631)

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**Author:** [@dellarte](https://forum.critterandguitari.com/u/dellarte)\
**Replies:** 2\
**Last updated:** [July 9, 2023, 3:58pm UTC](https://forum.critterandguitari.com/t/using-symbolic-fonts-in-etc/9631 "2023-07-09T15:58:49Z")

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So, I took the mode “T - Font Recedes Shapes” from the factory set as a basis and just replaced the font. After that I specified in the 27th line of the file main.py the required range of characters I need. And voila I …

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## [Need help finding OS download for microSD card (ETC and Organelle trouble shooting)](https://forum.critterandguitari.com/t/need-help-finding-os-download-for-microsd-card-etc-and-organelle-trouble-shooting/8904)

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**Author:** [@liam\_g\_c](https://forum.critterandguitari.com/u/liam_g_c)\
**Replies:** 4\
**Last updated:** [April 11, 2023, 8:34am UTC](https://forum.critterandguitari.com/t/need-help-finding-os-download-for-microsd-card-etc-and-organelle-trouble-shooting/8904 "2023-04-11T08:34:39Z")

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My Organelle and ETC both stopped working at the same time. The only thing i can think of that mightve caused this issue is poorly controlled temperature management in my attic studio space. This issue started in the sum…

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## [Using Giphy Stickers to create animation](https://forum.critterandguitari.com/t/using-giphy-stickers-to-create-animation/3645)

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**Author:** [@daveykdavenport](https://forum.critterandguitari.com/u/daveykdavenport)\
**Replies:** 17\
**Last updated:** [April 3, 2023, 7:43pm UTC](https://forum.critterandguitari.com/t/using-giphy-stickers-to-create-animation/3645 "2023-04-03T19:43:37Z")

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Hey guys, I’ve been trying to figure out pushing video (or at least gifs) through the etc. As im sure most of you are aware, pygame doesnt support vid or gifs. I was tinkering yesterday and ran across https://giphy.com/…

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## [MODES Disapearing on my ETC USB](https://forum.critterandguitari.com/t/modes-disapearing-on-my-etc-usb/9311)

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**Author:** [@pawrlsol](https://forum.critterandguitari.com/u/pawrlsol)\
**Replies:** 8\
**Last updated:** [March 20, 2023, 10:50pm UTC](https://forum.critterandguitari.com/t/modes-disapearing-on-my-etc-usb/9311 "2023-03-20T22:50:38Z")

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Hey all, I’ve noticed that my ETC USB is ‘eating’ my newer modes. I’ll alter some code from existing MODES (changing text or images) The modes are on the USB and visible when playing the ETC. Although I cannot see them …

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## [Download link for ETC Linux image](https://forum.critterandguitari.com/t/download-link-for-etc-linux-image/8588)

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**Author:** [@fanwander](https://forum.critterandguitari.com/u/fanwander)\
**Replies:** 3\
**Last updated:** [July 15, 2022, 6:56am UTC](https://forum.critterandguitari.com/t/download-link-for-etc-linux-image/8588 "2022-07-15T06:56:41Z")

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Hi, I know, @oweno once posted the download link for the image files of the ArchLinux the ETC is running on. Unfortunately I don’t find the link anymore. Can some one help me out? Best regards Florian

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## [How to remove singular saved scenes?](https://forum.critterandguitari.com/t/how-to-remove-singular-saved-scenes/4359)

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**Author:** [@Harmon](https://forum.critterandguitari.com/u/Harmon)\
**Replies:** 4\
**Last updated:** [October 30, 2021, 3:55pm UTC](https://forum.critterandguitari.com/t/how-to-remove-singular-saved-scenes/4359 "2021-10-30T15:55:38Z")

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Have saved two scenes that are the same and would like get rid of some of them but doesnt seem to be an undo function on the ETC.

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## [ETC red light troubleshooting](https://forum.critterandguitari.com/t/etc-red-light-troubleshooting/7768)

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**Author:** [@liam\_g\_c](https://forum.critterandguitari.com/u/liam_g_c)\
**Replies:** 1\
**Last updated:** [September 18, 2021, 8:44am UTC](https://forum.critterandguitari.com/t/etc-red-light-troubleshooting/7768 "2021-09-18T08:44:14Z")

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My ETC started showing a red light upon start up. Is there a software update I’m missing? Or is there potentially a bigger problem? Any info is helpful thank you!

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## [Mode selector does not backward](https://forum.critterandguitari.com/t/mode-selector-does-not-backward/6859)

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**Author:** [@naof219](https://forum.critterandguitari.com/u/naof219)\
**Replies:** 1\
**Last updated:** [May 19, 2021, 2:50pm UTC](https://forum.critterandguitari.com/t/mode-selector-does-not-backward/6859 "2021-05-19T14:50:44Z")

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Hi I got etc a couple years ago and I have not really used for a while. Recently I started learning the ETC. But it seems like mode selector (backward) is not working. does any one have idea how I can fix this issue? …

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## [Learning to Program the ETC Video Synthesizer](https://forum.critterandguitari.com/t/learning-to-program-the-etc-video-synthesizer/2350)

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**Author:** [@chrisk](https://forum.critterandguitari.com/u/chrisk)\
**Replies:** 7\
**Last updated:** [April 12, 2021, 10:23pm UTC](https://forum.critterandguitari.com/t/learning-to-program-the-etc-video-synthesizer/2350 "2021-04-12T22:23:26Z")

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Kirk Kaiser from www.makeartwithpython.com posted this great tutorial on programming Python on the ETC! Be sure to check out his full post which features some new modes for the ETC: Thanks Kirk!

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## [Other Python Libraries/Modules](https://forum.critterandguitari.com/t/other-python-libraries-modules/7189)

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**Author:** [@OpenSourcerer](https://forum.critterandguitari.com/u/OpenSourcerer)\
**Replies:** 0\
**Last updated:** [March 27, 2021, 8:53pm UTC](https://forum.critterandguitari.com/t/other-python-libraries-modules/7189 "2021-03-27T20:53:02Z")

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Has anybody had success with other/alternative libraries and modules python offers such as PIL (pillow), NumPy, etcetera? I understand some options aren’t fully available because a lot is updated for python 3, but this q…

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## [Setting a background Image in a mode](https://forum.critterandguitari.com/t/setting-a-background-image-in-a-mode/7048)

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**Author:** [@OpenSourcerer](https://forum.critterandguitari.com/u/OpenSourcerer)\
**Replies:** 11\
**Last updated:** [March 11, 2021, 9:27pm UTC](https://forum.critterandguitari.com/t/setting-a-background-image-in-a-mode/7048 "2021-03-11T21:27:33Z")

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How does the file storage/image sourcing system affect the ability to create a background image for a mode on the ETC? I’ve tried using pygame.image.load() to load a specific PNG to use as a background behind the drawn e…

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## [Recording video output to computer](https://forum.critterandguitari.com/t/recording-video-output-to-computer/1222)

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**Author:** [@vidiot](https://forum.critterandguitari.com/u/vidiot)\
**Replies:** 31\
**Last updated:** [March 11, 2021, 8:54pm UTC](https://forum.critterandguitari.com/t/recording-video-output-to-computer/1222 "2021-03-11T20:54:39Z")

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I'm super new to using a device like this: what is the most efficient cost-effective way of capturing and recording the video feed from the ETC on my iMac? My computer does not have an HDMI input.

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## [Getting into ETC\_Mother via Mac](https://forum.critterandguitari.com/t/getting-into-etc-mother-via-mac/7044)

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**Author:** [@OpenSourcerer](https://forum.critterandguitari.com/u/OpenSourcerer)\
**Replies:** 2\
**Last updated:** [March 2, 2021, 8:39pm UTC](https://forum.critterandguitari.com/t/getting-into-etc-mother-via-mac/7044 "2021-03-02T20:39:50Z")

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Relatively new to programming in general, but the ETC has been a wonderful segue into learning Pygame! Since I’ve reached the point of wanting to create custom Modes, I’m wondering if there is a clear/concise way to edit…

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## [Trouble loading web console](https://forum.critterandguitari.com/t/trouble-loading-web-console/6781)

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**Author:** [@lotsofstevens](https://forum.critterandguitari.com/u/lotsofstevens)\
**Replies:** 4\
**Last updated:** [February 9, 2021, 9:56pm UTC](https://forum.critterandguitari.com/t/trouble-loading-web-console/6781 "2021-02-09T21:56:49Z")

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I’m having trouble connecting the the web address/console used to edit ETC modes on the device via wifi. I have successfully configured and connected to my ETC via a USB WiFi dongle I purchased via the C&G site. When I t…

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## [Diy eysy](https://forum.critterandguitari.com/t/diy-eysy/6723)

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**Author:** [@ponnuki](https://forum.critterandguitari.com/u/ponnuki)\
**Replies:** 2\
**Last updated:** [December 21, 2020, 3:43am UTC](https://forum.critterandguitari.com/t/diy-eysy/6723 "2020-12-21T03:43:05Z")

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Anyone tried to create a DIY EYSY ? I’ll end up buying one device, but wondering if anyone tried to run the code directly on a raspberry pi? I am using the PiSound, so I would have good quality audio in as well as Midi …

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## [Temperamental ETC](https://forum.critterandguitari.com/t/temperamental-etc/6641)

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**Author:** [@props](https://forum.critterandguitari.com/u/props)\
**Replies:** 1\
**Last updated:** [December 8, 2020, 12:47am UTC](https://forum.critterandguitari.com/t/temperamental-etc/6641 "2020-12-08T00:47:47Z")

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Hey there, I’ve just become the lucky owner of an ETC (I’m new to the wonders of C&G and it seems not many go on sale…) however I’m having some problems with it and am getting closer to the ebay money back limit… I’m ye…

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## [Unable to boot 2x diff ETC's](https://forum.critterandguitari.com/t/unable-to-boot-2x-diff-etcs/6353)

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**Author:** [@bipinbipin](https://forum.critterandguitari.com/u/bipinbipin)\
**Replies:** 1\
**Last updated:** [September 9, 2020, 3:23am UTC](https://forum.critterandguitari.com/t/unable-to-boot-2x-diff-etcs/6353 "2020-09-09T03:23:09Z")

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I am unable to boot two different ETC’s I’ve tried recreating the sd image and different jump drives with modes on them. currently i have only 1 mode on the usb and get the following errors at boot. any help would be …

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## [Minilogue ETC midi control?](https://forum.critterandguitari.com/t/minilogue-etc-midi-control/6163)

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**Author:** [@Harmon](https://forum.critterandguitari.com/u/Harmon)\
**Replies:** 1\
**Last updated:** [July 22, 2020, 2:31pm UTC](https://forum.critterandguitari.com/t/minilogue-etc-midi-control/6163 "2020-07-22T14:31:34Z")

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wondering if its possible to control the ETC’s parameters with the minilogue xd’s midi out? cheers

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## [EYESY\_OS Package Versions](https://forum.critterandguitari.com/t/eyesy-os-package-versions/6149)

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**Author:** [@space\_cdt](https://forum.critterandguitari.com/u/space_cdt)\
**Replies:** 3\
**Last updated:** [July 17, 2020, 8:44pm UTC](https://forum.critterandguitari.com/t/eyesy-os-package-versions/6149 "2020-07-17T20:44:22Z")

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Hey guys, New to your forum and product. I’m a software engineer who has been checking out your EYESY\_OS and ETC\_Modes\_Extra repos on github. Could you provide versioning for the packages in use in these repos? I’d lov…

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