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31
Robot Videos / Arctos - 3D printed robotic arm
« Last post by Arctos on March 30, 2023, 01:48:03 PM »
Hi folks,
I designed and built this robotic arm. What do you think?
If someone want to build it here is the link with all info:

https://arctosrobotics.com

[youtube=425,350]2SojrF035sw[/youtube]

https://youtube.com/shorts/2SojrF035sw?feature=share
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I'd recommend putting them all on a rotating bar, driven by a single worm gear motor, and low to the ground so wind won't bother it. Use a timer to rotate 1 degree every 3 minutes or so (or whatever, timed with the sun in your area/season). You'll need a microcontroller (with accurate clock), a motor driver, and an MPPT.

I use solar panels for everything, but keep them fixed in place. Didn't want to deal with all the added complexity for only 20% more power. My understanding is the latest panels you can buy can handle the sun at an angle to the panels much better than the older ones out there.
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I need help to design and build a solar tracker mechanism so that my solar panels can track the sun. The panels are coupled to a rack that is lying flat on my car port. There are 6 panels and they are arranged in 3 groups rack of two panels each. The 3 groups should be connected so that they can move at the same angle. I want the tracker to work with two linear actuators on opposite ends of the car port. At sunrise, the linear actuator farther from the sun?s direction tilts up the panels from its end so they can face the sun while the second actuator doesn?t work but acts as a stationary pivot. The tracker electronics actuates the actuator every 15 minutes (time duration should be configurable) to move the panels towards the sun based on input from the light sensors. By midday, when the sun is exactly overhead, the first actuator allows the panels to rest flat on the roof of the car port, then stops working. As the sun moves overhead towards the west, the second actuator takes over the work of tilting the panels while the first actuator only works as a stationary pivot. The tracker electronic control continues to work with the photo sensors at preset time interval to make the panels face the sun using the actuator to tilt it. At sunset, the second actuator rolls itself back to the original position where the panels lie flat on the car port. The whole process is repeated the following day. I need help on the right mechanical mechanism to connect all the components togethers as well as the electronic circuitry that controls everything. I have attached a crude sketch of how the panel stands on the carport.
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Software / Site to control other people's robots
« Last post by robo_bobo on February 21, 2023, 12:25:31 PM »
Hi, has anyone heard of remo.tv?  You can control other people's robots there. I thought it was an awesome idea.
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Mechanics and Construction / Re: Light weight one axis hinge recommendation
« Last post by oldmicah on February 18, 2023, 06:22:58 PM »
Chuck on Stack exchange was able to find this link for tube hinges on McMaster Carr: https://www.mcmaster.com/product/98010A290
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Mechanics and Construction / Light weight one axis hinge recommendation
« Last post by oldmicah on February 16, 2023, 07:51:13 PM »
I'm attempting to build a crow that can stay upright even when its perch tilts.  For that I need to have some single axis hinges (not u-joints).  I'm using 3mm rod for my internal supports and am hoping to find some light weight hinges that are sized appropriately and can take a lot of duty cycles and still remain fairly friction free.

I'm using the hinges on opposing platforms connecting by the 3mm rod to keep them separate. There will a mechanism that keeps the top platform (that will hold the head) parallel to the bottom platform that the feet are attached to.

1) I've included an image (tube with a fork on one side and a tabbed tube on the other with a pin tying them together) of one I'm thinking of but I can't for the life of me find the name of it.  Does anyone knew the name so I can find one on amazon or McMaster Carr?  (I could make this myself, but time is short and I have plenty of others things to do first)

2) Is there a better choice?

really appreciate the help!
sss
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Software / the livingrimoire AGI software design pattern is a new way to code
« Last post by beef on February 14, 2023, 04:08:10 PM »
https://www.yotamarker.com/t199-this-is-the-living-grimore

the livingrimoire is an AGI software design pattern.
it works like in the matrix learning scene. 1 line of code to add a skill

well it does a lot more than that, but that is the gist of it.



at the time of this post the livingrimoire is translated to the programming languages:
python, java, kotlin and swift
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Robot Videos / Miroki french robot
« Last post by ambrelangelidou on February 11, 2023, 04:59:59 AM »
Hello, I wanted to introduce you to this robot that was a hit at CES.

An innovative system for moving it on a ball that allows it to be easily moved by hand without having to lift it.

https://www.youtube.com/watch?v=fPK3YnXczms&ab_channel=EnchantedTools

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Software / Re: Does anyone have Kuka sim pro software?
« Last post by ambrelangelidou on February 11, 2023, 04:51:18 AM »
Hi, do you still need the kuka software ?

Send me a private message if you want :)
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Mechanics and Construction / Re: I want to create a quadruped robot
« Last post by artbyrobot1 on February 03, 2023, 07:23:43 PM »
brushless dc motor is best see James Bruton video on his dog robot for ideas
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