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14 Nov 2018
Glad to announce of release of INDI Library v1.7.5 on 2018-11-14. A few drivers were added in this release as we continue to improve & stabilize existing drivers.
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TOPIC: My Raspberry Pi 3 Setup

My Raspberry Pi 3 Setup 1 year 1 month ago #20612

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I was inspired by the Rock64 post to post my current setup for doing astrophotography using KStars/INDI. I realized that I don't think I ever posted all the info about what I am using. Most of the posts we have had going back and forth have been about software. But anyway this is what I use.

I use a Raspberry Pi 3 with a powered USB Hub, and a USB WIFI dongle for more WIFI strength.

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The most important part of my setup is that my USB Hub accepts 12V power and outputs 5V power. So I am powering the USB hub as not only an extra 7 USB ports, but also as a power supply for the PI. It has 2 "power supply" USB ports for this purpose and I use 1 of them for the PI. Not shown in the photos is the backside of the USB hub with many many ports.

I will see if I can get some more photos of it attached to the scope and in action. Also I was about to post some links to the equipment I used, but it said I had too many links in my post. so I will try to post separately
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My Raspberry Pi 3 Setup 1 year 1 month ago #20613

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My Raspberry Pi 3 Setup 1 year 1 month ago #20614

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Very cool. I have some time now, sort of, where my mount is in for warranty work.

What wifi dongle do you use and what range do you get? I still currently run a 100" cat5 to my PI mostly to rule out network issues.

I do not put my PI on the OTA. As I still have a USB2serial connection to the mount, it is less wires to put the PI on the tripod. Once the cat5 is not used though... perhaps putting the PI on the OTA can be an option.

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My Raspberry Pi 3 Setup 1 year 1 month ago #20615

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So far, this part has worked well to power the PI when the USB port is not available:

12V to 5V micro USB:
www.amazon.ca/Universal-Converter-Regula...HitCar/dp/B00U2DGHP2

Putting Anderson PowerPoles on the ends makes it convenient.

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My Raspberry Pi 3 Setup 1 year 1 month ago #20616

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Oh, somehow the dongle got left out of the links.

www.amazon.com/Adapter-Wireless-External...lation/dp/B00KV9TQXM

I don't know if this is the best wifi dongle, but it is the one I have been using.

For attaching the PI to the OTA, I use velcro.

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My Raspberry Pi 3 Setup 1 year 1 month ago #20875

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Here are some photos of it all hooked up. Unfortunately, I don't have any recent photos of my system in the field. Usually when it is all set up, it likes to take pictures, but doesn't get many photos taken of it. Could be that its photo shy, or that its dark outside. . .

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My Raspberry Pi 3 Setup 1 year 14 hours ago #21623

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Here is one image of my scope in action.

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My Raspberry Pi 3 Setup 11 months 1 week ago #22123

How are you now powering the Hub/Pi? Doesn't look like the regular AC cord that came with it. You using some adapter? Also, how are you keeping the Pi and Hub together and how are they attached to the OTA?

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My Raspberry Pi 3 Setup 11 months 1 week ago #22135

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No, in the field, I use a 12V battery for all my power so the AC adapter will not work there. One key reason for getting that hub is that it accepts 12 V input. I am powering the hub using one of the outputs of my Dewbuster dew controller. I am also powering my Moonlite that way. I am powering the pi using one of the "power" outputs of the hub, they are 5V.

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My Raspberry Pi 3 Setup 11 months 1 week ago #22190

rlancaste wrote: No, in the field, I use a 12V battery for all my power so the AC adapter will not work there. One key reason for getting that hub is that it accepts 12 V input. I am powering the hub using one of the outputs of my Dewbuster dew controller. I am also powering my Moonlite that way. I am powering the pi using one of the "power" outputs of the hub, they are 5V.


Thanks. Can you tell me what the size of the hub's power input jack is? I don't have a DewBuster but I'd like to use the hub with my field battery so it looks like I'd need a cigarette plug style (I guess just like you're powering your DewBuster with?)

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My Raspberry Pi 3 Setup 11 months 1 week ago #22191

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I think it is 5.5 mm. So yes, you probably could find a cable with the right connector on it and the cigarette plug connector on the other. I made my own cable because they don't make cables that have RCA connectors on one end and power connectors on the other end.

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My Raspberry Pi 3 Setup 11 months 1 week ago #22193

I got a LEGO case for my Rpi and with a piece of LEGO attached to a case of 5V lithium battery outfit, I can attach the RPi to the battery. Then mount it with a special made saddle on the counterweight side. The saddle also allows me to mount a large 12V lithium battery so I don’t need to carry a counterweight at all during the image session.
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