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This project has evolved some , the basic rundown is I'm modding two Omnibots , one a regular the other a larger 2000 model. I will have two ezb kits , rad base idea was thrown out because of so much noise but could go back on the table if the omnibot drivetrain is too weak to pull it.
By jstarne1
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you are pretty smart i see cant wait to start on mine,JOSH did give a few good idea's,and was looking at a IRON MAN IDEA ,but on a latter design mine like his ,but much much more,i what i do like he uses alot of photos witch is goo,but mine i wont take to many,never get it done,mostly i really test every part and make almost no mistakes but take much much longer
Yea sams smart , she's finished way more bots than I ever have lol
Ok so after a bit of testing 850nm IR LEDs produce Way more light visible to cameras than 940nm. A matter of fact it let better than 5000mcd white LEDs. So I ordered 200 IR LEDs 850nm , I will probably use led than 100 , as each flashlight holds 32 but I'm thinking of doing another IR project as well.
Ok these are 65ma forward current 60 degree lenses 5mm standard width 1.3-1.6v 850nm wavelength
These will fit perfect in the DIY night vision illuminator@robotmaker a circuit that allows the Ir to come one gradually when light starts to drop and dim as more light is introduced into the room would be great. Please post the schematic and hardware needed. Take in mind I'm pretty sure this circuit would need to be adjustable to tune when the LEDs should come on.
@robotmaker I take frequent pictures not only to share the building experience but it also PROVES that I did the build with great detail of documentation so others new to robots can learn from this project.
940nm led
850nm led , wow you see the difference!
That's cool! I've got the "regular" white LED's to light up for the camera, but maybe I should rethink that and go with IR aswell!
i takes picture of my builds too,just not so many,too me just takes time,and i never finish i mostly in to test and design,very little mistakes,like on motors i test for payload (torque) check stall current and with a normal payload current draw,and i do this with everything i add to my robot before i build it so i can pick the right battery ,match the right h-bridge ,so not much time for photos,about others building the same pretty simple from a few photos i put up like on the irobot create project,mostly if another has a problem making it from photos i have up,can say how and what parts needed
on IR leds 850 nm is what most camera's use,like the cheap one i got from china mostly only need the optical parts,but IR'S came in handy too i knew the current would be very high on IR as i said before so if using 32 of them big drain on battery,main reason they use 32 like in most led flashlights is they need more lumination ,BUT if you look at almost every outdoor camera using IR only 6 -8, adding more wont make you camera see better in the dark you need a very low LUX camera 1 lux or lower to get a good image
@robotmaker I tested led with my phone and ezb camera and more LEDs worked better , ofcourse in zero light image was all green. I may do less but.I will test it when I get the bags of LEDs in.
Design update- I have seen many omnibots with tv screens in then , since I have a onboard atx I believe I will do this too. There's two places I could think of but I.believe I will put it in the base. It will have a on off switch as it would not be used all the time. I am.using Plexiglas to make a couple windows on the sides I believe to see the inside workings.
Possible motor upgrade? For 3 dollars each I found a johnson electric motors same size as omnibot 2000 stock drive but they take 13.2 volts nominal , and produce 99 g cm torque. Does this sound like a healthy upgrade?
Johnson electric HB615
TV would be nice....
Do you have a taps plastic?
Motors sound like a great upgrade. Will be a nice addition with the extra pull from the vac.
i dont know about using more light,from tests i did not much difference,havent check with EZB camera ,just remember ohms law going to need a super big battery ,just remember 32 IR leds times 65 ma is 2.048 amps draw,second on all my EZB red led is not needed or can be added with a switch controlled by EZB OR ADD A TIME DELAY,its only to tell if EZB POWER working thats it,20 ma not much but after awhile it adds up because on all the time
on johnson motors hard to tell,at least with roomba or neato motors it handle about 40 lb payload ,but thats motors,electronic ,frame ,other motors vacuum stuff,i can weight the neato or roomba since they use the same motors and then add 35 lbs take 3 minutes and post it another point if same size motor most times same torque i think i found a motor very close to omnibot that does show the torque,unless you omnibot motors have a part # second motors i have same DIA but longer
lastest update on payload 25lb + 40 lb = 65lb total payload,might lot more ,since it does have a another gear to increase the payload,speed will be about the same easy to make it fit,just cut the plastic off the back ,might want to put a screw in the front next to the gear to keep it from turning
So what your saying is worse case scenario I get a couple roomba motors and its all good , because my bot will be 50-60 pounds , only 60 if I put in the extra two batteries I wanted to...
@robotmaker honestly it would be more helpful right now to test the weight the 2000 omnibot base can lug around at 6v and 12v (i plan to run 12 because.they are 12v motors) if you could test how much the stock motors can handle that would be great!