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INDI Library v1.9.2 Released (14 Sep 2021)

Bimonthly Stable INDI Library release introduces new drivers and fixes for existing ones.

USB3 may force me to move off of Raspberry Pi

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Hi,
I have been successful running Indi?Ekos as Stellarmate on my RPI which sits on my Pier in my Roll off shed. I then VNC in, either from the shed or from my house. All my devices connect via a Powered USB3 Hub: Eqmod,-HEQ5, DSLR, Moonlite Focuser, Joystick, Guide CCD. It works great. BUT I now want to use a CCD camera and am finding that the USB2 ports on the RPI with files stored on the local SD card are too slow. I tried using a ZWO ASI178MC (Not Cooled) and got very severe amp glow. There is no buffer on this camera. As an experiment I connected the ASI178MC direct to my Dell XPS laptop vis USB3 to a SSD drive everyting else still via the RPI and get virtually no Ampglow.

I am considering getting the ASI 294MC Pro which ZWO says " includes a 256MB DDR3 memory buffer to help improve data transfer reliability. Additionally, the use of a memory buffer minimizes amp-glow, which is caused by the slow transfer speeds when the camera is used with a USB 2.0 port." I posted on the ZWO site to ask if this meant I would get no Amplow on my RPI. They replied that it would help but USB3 is preferred.

So my question is what should my future INDI/EKOS platform be? Maybe the ASI 294MC Pro will be OK connected to the PI. if not will running on a ROCK64 with SSD be better, or will I need a much faster machine and just run INDi/EKOS under windows on my Dell XPS?
I am very interested in anyone who has practical experience of this.
2 years 3 months ago #39813

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A similar question was asked a few weeks ago. Please see this thread:

www.indilib.org/forum/ekos/5134-what-dev...nning-kstars-on.html


Wouter
Wouter van Reeven

ASI6200MM and 7 slot 2" filter wheel with a SkyWatcher Esprit 80 ED on a SkyWatcher HEQ5-Pro
ASI1600MM-Pro Cooled and 5 slot 1.25" filter wheel with an 8" TS Ritchey-Chrétien on a SkyWatcher EQ6-R
The following user(s) said Thank You: Max Dobres
2 years 3 months ago #39814

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I am currently seriously considering the new Odroid-N2 as an upgrade.
INDI/KStars on Raspberry Pi 4, 4gb
Raspbian Buster with AstroPi3 script configuration
Skywatcher HEQ5 Pro Mount
Canon 600D Camera
Orion SSAG/ASI120mm @280mm Guide Scope
PHD2
Waveshare Stepper Motor Board - DIY Focuser
Adafruit GPS Module
Generic Bluetooth Joystick.
Startech 7 port powered USB Hub.
The following user(s) said Thank You: AstroNerd
2 years 3 months ago #39821

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Wouter,
Yes, I looked at that thread, but it did not really address the AmpGlow problem.
I know that Indi/Ekos will run on the Rock64Pro which has USB3, however reading up on the subject I have learned that USB3 performance can vary considerably and a bottleneck might be the storage device it is writing to. So I wanted to know if the Rock has solved Ampglow problems.
Similarly the ASI 294MC Pro has memory buffers, so does anyone run it on the RPI/USB2 and is it OK?
I don't want to buy the Rock if it the RPI problem goes away with the buffers or if it not fast enough.
Max
2 years 3 months ago #39822

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OK just making sure. FWIW I run KStars on a MinisForum Z83-F mini-pc, which has USB3, and I use an ASI1600MM-Pro cooled. No amp glow whatsoever in my images.


Wouter
Wouter van Reeven

ASI6200MM and 7 slot 2" filter wheel with a SkyWatcher Esprit 80 ED on a SkyWatcher HEQ5-Pro
ASI1600MM-Pro Cooled and 5 slot 1.25" filter wheel with an 8" TS Ritchey-Chrétien on a SkyWatcher EQ6-R
The following user(s) said Thank You: Max Dobres
2 years 3 months ago #39827

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Which spec do you have? Amazon UK lists three: 2+32GB (£99.99) ; 4+32Gb ( £107.90) 4+64GB (£129.90) , so might look at 4+32GB. Do you run windows or Ubuntu? Attraction is cheap and no setup.
2 years 3 months ago #39830

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I have the 4x64 Gb because the pics of the ASI1600MM tend to be large and with exposures of 60 sec the disk tends to fill up rapidly. I run Ubuntu. No Windows in my house! Plus INDI doesn’t run on Windows haha I connect remotely via VNC from my iPad or MacBook.
Wouter van Reeven

ASI6200MM and 7 slot 2" filter wheel with a SkyWatcher Esprit 80 ED on a SkyWatcher HEQ5-Pro
ASI1600MM-Pro Cooled and 5 slot 1.25" filter wheel with an 8" TS Ritchey-Chrétien on a SkyWatcher EQ6-R
2 years 3 months ago #39831

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By the way, with the latest BIOS the Z83-F doesn’t boot without an HDMI device connected. A simple cable will not do the trick so I bought a few cheap HDMI to VGA converters and that works. I filed a request for reversal of this change in the BIOS via the MinisForum support email address and they replied that their developers are looking into it.
Wouter van Reeven

ASI6200MM and 7 slot 2" filter wheel with a SkyWatcher Esprit 80 ED on a SkyWatcher HEQ5-Pro
ASI1600MM-Pro Cooled and 5 slot 1.25" filter wheel with an 8" TS Ritchey-Chrétien on a SkyWatcher EQ6-R
2 years 3 months ago #39832

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When you guys run INdI on a device other than using Stellarmate or Astroberry on an rpi, so on the mini PC you mention, how do you get it to create a hotspot so you can connect to it in the field, (similar to SM hotspot) as I can’t find a simple way to do it.. :)
Stellarmate OS on Raspberry pi4b
Skywatcher EQ8 pro, on steel pier
Takahashi FSQ85, FS60cb & Meade 8” SCT (de-forked)
Starlight Xpress SXVR H18, SXVR M25c, Lodestar x2 Guide Camera
Pegasus Ultimate Hub V2 for all USB & Power
Pegasus focus motors on all scopes
Last edit: 2 years 3 months ago by AstroNerd.
2 years 3 months ago #39835

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I have been eyeing that as well. If you go for it, please let me know.

Thanks
Jerry
120 MM Skywatcher Esprit on Celestron CGX, ZWO ASI 224MC guiding, Pegasus FocusCube v2
Nikon Z7 8256 x 5504, 35.9 x 23.9mm 4.34 um. Triad Ultra Quad NB Filter
1) Odroid-N2 Ubuntu-mate 20.04 2) StellarMate on RPI4 8G
The good, the bad, the ugly at sciencedowneast.no-ip.ca/zenphoto/
The following user(s) said Thank You: Ron Kramer
2 years 3 months ago #39839

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Hi astronerd, i just use this, it works like a charm. I just upgraded my compute stick today and everything works!!!

github.com/Patrick-81/NAFABox
100mm refractor
ZWO ASI 071 imaging camera
ZWO ASI 120MC on 50mm guidescope
HEQ5 Pro mount
Raspberry Pi 4 running indi
Last edit: 2 years 3 months ago by Petar Milevski. Reason: spelling
2 years 3 months ago #39843

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I looked at that but really don’t understand it... :(
Stellarmate OS on Raspberry pi4b
Skywatcher EQ8 pro, on steel pier
Takahashi FSQ85, FS60cb & Meade 8” SCT (de-forked)
Starlight Xpress SXVR H18, SXVR M25c, Lodestar x2 Guide Camera
Pegasus Ultimate Hub V2 for all USB & Power
Pegasus focus motors on all scopes
2 years 3 months ago #39849

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