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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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@robotmaker wow , I compared those motors you sent to the omnibot motors , they are nearly identical except for the plastic end with.the PCB board , are you sure they are stronger? They appear to be a direct replacement!
Ok update- I needed to install the sensor holders in the correct placement , I picked the back of the head because of the convenient rounded arch. I studied the roomba sensor and found its made to see a ir beacon at 180 degrees , 0 to 15 degrees is dead on , 30-45 degrees the robot corrects slightly till center of the 0 degree position sees the beacon the brightest. You will notice I added sensor locations t about 80 degrees off center as well. This is just in case when Jarvis adjust and possibly over corrects he doesn't turn so far the beacon is in a dead spot where it cannot be seen. So the sensors on the outer edges are to notify Jarvis of over corrections.
http://www.radioshack.com/product/index.jsp?productId=2049723&filterName=Category
These are 5mm receiver / tx IR light sensors , I will need several of them ofcourse to repeat roombas docking success and honesty I aim to improve on it.
Good idea using that ARC of the head. What are those on the top?
Ok this felt too easy to stop tonight so I wanted to improve on the radars operation , I found the hole needed to get a good sweep left and right was to big , so to fill all that open space I came up with the idea of a turret style ultrasonic radar mount. , I used the top of a Bondi container , I will trim it down tommorow to a little over a inch thickness , holes for the sensor are drilled out and sensor fits perfect and stays in place without glue (though I will still secure it) my secret to the tight fit is tracing the center then drilling a pilot hole dead center of that mark with a 2 mm small drill bit. Then using this pilot hole I drilled out the rest with a unibit and came out perfect because it did not walk off center. , the center of the round lid is where is will mount to the servo. , this turret like radar disk will stick out the front a bit. It will also be painted to match the body
@glickclick the top of the head I drilled out and there is a taped off ultrasonic sensor in the holes , the holes are a bit off center so I am fixing this by filling the gap with epoxy on the inside and Bondi gold on the outside , then I just pop out the sensor and sand flush and the holes are perfectly snug , this was before I came up with the tiny pilot hole idea and the unibit had walked off center 3 or 4mm and it stands out to much to just let go. , once the edges are filled wheni go to install the sensor it will be flush. The original reason for the vertical sensor is to tell if its indoors or outdoors (lack if a ceiling) and when Simone stands over him or pets his head it gets his attention to look up. That's the concept of operation for a vertical ultrasonic.
Once again my apologies for random obvious spelling errors , my phones spell correct library has all kinds of words wrong and when I reset my phone google remembers info from my previous setup and updates the Library , I will pick a day and go back to all my previous posts and correct these embarrassing errors.
I see. So they can sense that far to the ceiling? I will definately let you know if the capactive sensor I have works as planned.
The paralax sensor sr04 ultrasonic senses 2 cm - 9.3 ft accuratly. Since the robot is over 3 ft tall it can see a ceiling up to 12 ft high, ofcourse the idea of using it to tell indoors or outdoors is still up in the air but I see multiple uses for a verticle sensor so I descided to keep its location. When I first made to build plan a sensory layout I was working with the figure that omnibot would be 26 inches stock hieght and I have desks, and tables that are taller than than and I didnt want the robot to get stuck under one because the radar was too low to be able and see the edge of the table, now ofcourse he is getting a growth spurt of 7 + inches and he has a foward facing Ultrasonic directly inline with the camera so he can now identify how close he is to the edge of my desk or dining room table.
Right now theres only a few sensors I have not completely planned out as follows
Carbom monoxide sensor for personal and family safety he can notify you of unusual levels
temp sensor, he knows when to adjust the thermostat or if the darn house is on fire
smoke detector, confirms fire hazard from temp sensor they are check sums for each other
Natural gas - safety obviously
Methane gas - Ya thats right, hes a fart sniffer, I want him to make comments about how somone just blew up the room lol
Humidity , barametric pressure - he can tells when its raining, storms near, tornado / funnel clouds are nearby ( sudden drop in atmospheric pressure) or he can just make comments of how hot and miserable it is lol
More than likely all these sensors will be in the head and I can have a tiny 40mm inlet and outlet fan moving air though the head so he is constantly sampling the air and not relying on natural dissipation of the particulate in the air im tryin gto identify.
-Pressure sensor on claw- so I can set a stop point so he doent over or under grip my beer
-Rear motion detector - obvioulsy so he can see somone walk up behind him , I have not picked a place for this yet, the front sensor is to the right of my power management panel
NEW IDEA thanks to you Glickclick, is sensors in the head, sides of arms , under arms and ouside of claws so jarvis knows when he is being touched, can we say TICKLE ME JARVIS >) this ofcourse is depending on the tests after I get a sample from you
Wow I think you have all the detectors available! Lol the methane detector.
Before you know it you will be the first of us using 3 EZ-B in one robot!!
Whoa that's a lot of sensors...
Lol I have two at my disposal now lol , most these won't be functional.in early stages of development but.planning ahead forb future features already built.in is crucial to make the bot.upgradable so I won't get bored or stuck.with a bot that cannot really do anymore due to.the limitations.of the system installed , I won't have most those sensors for 2 or 3 months after Jarvis is moving.