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PostPosted: Jan 23rd, '18, 06:42 
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http://www.instructables.com/id/Program ... Y6IF0XUUV6

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PostPosted: Jul 4th, '18, 16:39 
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Printing now! Thanks :)


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PostPosted: Jul 4th, '18, 19:43 
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Very cool JowBlow. Thank you.

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PostPosted: Jul 5th, '18, 05:35 
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I'll be interested to see how they turn out, I don't have a 3D printer to try it myself. :dontknow:

I've seen a few 3D printer plans but thought this one was the best of them all.

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PostPosted: Jul 5th, '18, 23:52 
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Maltair please let us know how it works. I might be interested in having someone print me a few if they work well.

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PostPosted: Jul 6th, '18, 02:58 
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I think you can get away without the resistor... from what it sounds like they are just using the resistor the stop battery draining. From one of my arduino experiments that I tried building fish feeders with they just disconnected the servo from the pin at the end of the code, then have it reconnect the next time trigger that comes up... otherwise the servo draws more power... so I think looking at this you can get rid of the resistor and the extra solder board by just having the code disconnect from the pin which I have a sample code of on my computer at home if you need it I can find it.

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PostPosted: Jul 22nd, '18, 11:21 
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After a week of tinkering with prints that don't turn out I have finally got one to work the whole print! One more layer and my first feeder will be complete! Then I just have to assemble the arduino portion of it.

Attachment:
IMG_20180721_231903901-800x600.jpg
IMG_20180721_231903901-800x600.jpg [ 127.8 KiB | Viewed 684 times ]

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PostPosted: Jul 22nd, '18, 14:03 
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Looking great, well done :thumbright:

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PostPosted: Aug 12th, '18, 00:51 
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I'm finally getting around to putting this thing together and there are a couple of design flaws. I go to put my Arduino nano in the box and quickly realized that it was designed for a nano that does not have the pins soldered in already because the direction they put the hole for the power cord to run through you have to have the pins point towards the wall so you can't connect to them... they won't fit with the pins soldered in that direction to begin with... so I start cutting out the hole to put the board in backwards and then I found that the hole is too low, or the board is too wide so the cord hole needs to be moved up too.. so I cut that out higher up too.

I will give this version a try and if it works halfway decent I will draw up a better version that doesn't have these design flaws in it.

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PostPosted: Aug 12th, '18, 05:25 
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I used a 20 ounce soda bottle as my feed hopper and only filled the bottle half full went out to mount the feeder on my tank and it immediately broke the back part of the piece that holds the feeder in place. I had decided previously that was a weak part of the design as well, now I definitely need to draw something else up.

On the bright side, the feeder seems to work well but it does not dispense much food at a time... It would be ok for ornamental fish tanks but you have to run the program quite a few times to dispense any food. I have the program set to run 6 times every hour and it is still a child's handful at best. I will try to make a deeper feed well when I redraw it to make it more useful for feeding fish for maximum growth.

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