ross.m
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Raspberry Pi and Camera Setup

Oct 01, 2015 9:37 pm

Just thought I'd share my setup. I first added a Raspberry Pi 2 which I mounted to the back of the frame using this modified case bottom (http://www.thingiverse.com/thing:964796) along with the top from http://www.thingiverse.com/thing:410003. I power the Pi directly from the RAMBo to the +5v and ground gpio pins. This turns the Pi on running OctoPi which starts up OctoPrint automatically. It's algo got a nice small USB plug (http://www.amazon.com/gp/product/B00006 ... ge_o00_s00) and wifi adaptor. The whole thing lets me just plug it in, and control everything from my browser.

I've attached the Pi Camera, along with an extended cable for it (https://www.adafruit.com/products/1648), a custom accessory arm I designed to mount the same way the filament spool holder does (http://www.thingiverse.com/thing:965634) and a slightly modified version of an existing Pi camera mount to attach on to the end of the arm (http://www.thingiverse.com/thing:964961).

Setup
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Pi and Power
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Mounting and USB
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Arm and Camera
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Next up is waiting for my 1.75mm conversion kit to arrive, where I'll be taking most of the printer apart and trying make some assembly adjustments now that I've got more experience using it and understanding how it works. Mainly a better job wiring. Some of my steppers came with way too much wire attached and they could use some shortening to clean up the electronics enclosure. After that, a better method of bed levelling and adding a power switch to my power supply as it seems the newly shipped ones have.

Here's my post showing some things I've printed and timelapses I've made with this setup viewtopic.php?f=15&t=168

ross.m
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Re: Raspberry Pi and Camera Setup

Oct 07, 2015 4:25 pm

Now with 1.75mm extruder and greatly improved (shortened) wiring.

Image

Image

dennis.f
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Re: Raspberry Pi and Camera Setup

Nov 27, 2015 10:02 pm

Are you having any issue with vibration from the frame distorting the video?

Thanks,

Dennis

ross.m
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Re: Raspberry Pi and Camera Setup

Nov 27, 2015 10:05 pm

Nope, I replaced the felt feet with rubber feet to get it to stop sliding around but the frame does not vibrate.

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richard.l
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Re: Raspberry Pi and Camera Setup

Dec 02, 2015 6:54 pm

Where on the mini rambo board are you drawing the 5v to power the Pi?

ross.m
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Re: Raspberry Pi and Camera Setup

Dec 02, 2015 7:04 pm

The 5v out is on one of these pins in the purple box. I don't remember which is 5v and which is ground, but you should check them with a multimeter.

http://i.imgur.com/JdwIWxs.png

On the rpi you can connect them to the 5v and ground gpio pins found here.

https://ms-iot.github.io/content/images ... Pinout.png

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richard.l
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Re: Raspberry Pi and Camera Setup

Dec 02, 2015 7:16 pm

Excellent! Are there any pre-made cables or did you just make your own?


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richard.l
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Re: Raspberry Pi and Camera Setup

Dec 02, 2015 7:33 pm

That's where I was leaning. I've got tons of those in my spare parts drawer.

Thanks for the info!

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richard.l
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Re: Raspberry Pi and Camera Setup

Dec 13, 2015 2:15 am

Managed to get OctoPrint working with no trouble at all.

I do have a couple questions...

1. I installed a 16GB SD Card and in the Files section it shows Free : 775.7MB / Total: 2.9GB. Where is the rest of the drive?
2. I would like to access this from work through the internet and watch the stream of the printing. I have read conflicting information on which ports in my router need to be forwarded. One says 5000 and the other says 80. Any idea which is correct?
3. Is there and android app to access this?
4. Is there a cura profile available to import?

Thanks

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