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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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@DJ thanks ! I really hope everyone likes it , I will make improvments overtime but I really appreciate your feedback dj.
hello ,
found this and think its useable for you
http://www.instructables.com/id/Tiny-Wanderer-A-Table-Top-Robot/
bot can't fall of the table
greetings
helmut
Ok so your thoughts are one IR led and Reciever on each corner pointed down. Using these parts : 2 -- 940nm IR LED (ex. LTE4206 --available from BG Micro) 2 -- 940nm IR photo transistor (ex. LTE4206E -- available from BG Micro)
note: Radio Shack part 276-0142 - IR Emitter and Detector will work for the the parts above
@ jstarn1 and helmuteke - I like that idea. Simple and reliable.
I'll consider it , right now I have 3 ultrasonic sr04 coming. , maybe place them the exact same.way.just.using a.different type of sensor? One in front of each wheel just like this little bot in the videos that way it works on dark or shiny floors and glass.
Idea here is to widen the slots for the wheels and use wheels with no tread to lay track over. If your tracks have a guide grove u can modify your omnibots stock wheel for it. Rad only has a few teeth every couple inches so knotching shouldn't be too difficult. Any ideas? This way u can incorporate rad 2.0 tracks to run on a near silent drive train and everything will match up perfect , thoughts?
@jstarne1,
Concept for tracks is good but making it look and work well may be difficult. I would like to do my own track system but keep running into difficulties that unless you go with matched gears/treads you are going to have tracks falling off/slipping and all sorts of stuff.
about the IR sensors. I you look through some of the threads they tend to be a bit less reliable over the sonic sensors...either would be worth a try. IR sensors can get wacky sometimes with various light sources causing interference (like a candle for instance will reek havoc on an ir sensor....backlights on flat panel TVs and also CFL lights)...not that that would apply with them mounted on the bottom side of your bot though.
v/r
Kevin
I cut holes to flushmount 4 40mm fans to pump air into the base. I cut up HDD bay cooling fans for this. Playing around with mounting positions I'm considering this location. I've descided to retain the original switch and LCD panel. I'm just going to put my own spin on it.
. Dvd drive fits at home in drawer hole. I plan on cutting the hole down to make it .5 inch taller opening that way I have two full 5.250gig pc bays ! One bay I'm inserting a 5.25 bay triple 40mm fan probably as a exhuast blowing outward. The h bridge , ezb , hard drive , and maybe even motors will have individual cooling fans so all I need to do is keep 20-30 cu ft a min of air flowing through the torso and out the base.