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  1. Thread: Beetlejuice

    by revoltage
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    Contest Entry Re: Beetlejuice

    Awesome! One up
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    Re: "ALMower" [was: Robotic Lawn Mower]

    OK thanks DB
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Someone can tell me please if it's possible...because i don't have other plastic materials to test this....i will mest up the sheet if i drill the hole and then it does not work
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Can I fix the maxsonar as in the diagram?
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Any improvement I can add to the mower?
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok thanks going to glue at the two hole on the module....not not completely water resistant but to protect it a bit ;)
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Nope nothing broken...just to glue it inside pvc pipe....I'm making a casing for it a bit like the wr1 but covered with an acoustic foam...i can use the hot glue to do this?
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Can I use hot glue (glue gun) to fix my maxsonar?
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok thanks.

    I'm virtually new in robotics....which language is better to used C or Basic (for this robot i have used mikro-basic) that is a language that can be used to make complex robots...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    I was thinking why is the maxbotics WR1 so expensive...I have a wild guess that it is basically like the EZ1 which cost only ~ $30. Does the PVC casing for outdoor protection accounts for the rest...
  11. Thread: Beetlejuice

    by revoltage
    Replies
    63
    Views
    37,481

    Contest Entry Re: Beetlejuice

    Cool. You did you drawings on solidworks?
  12. Replies
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok guys...up to now that I am not using a power filter for the sonar robot is working well since my last post. Guess it was that filter that was doing the harm.
  13. Thread: Beetlejuice

    by revoltage
    Replies
    63
    Views
    37,481

    Contest Entry Re: Beetlejuice

    Simply a masterpiece...where you get facility for machining?
  14. Replies
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Anyone has used the Maxbotix WR1 and has pictures how it looks?
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Update...I have removed the filter that maxbotix recommends for robot power and now it seesm to be working fine. Yesterday it worked and today also when i woke up now it is till working
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok thanks Jodie and Scud. One thing yesterday I tested mower...after each shut down I waited 50 s before starting robot again. All worked well even sonar. However today when I woke up I started...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok. Here's a schema of the motor circuit
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Err i'm using this motor as mowing...

    http://www.robotmarketplace.com/products/AME-204-1021.html

    I have a power distribution circuit that supply each sensor and motor drivers.
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok. Yep I have three 12V dc motors in all. The one used for mowing takes 3A (i use a relay system to start that one) at start up and the two others are the ones from parallax kit (controlled by...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    The robot in all cases should move forward...but the sonar detects objects even though there isn't when I power robot on
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    Re: "ALMower" [was: Robotic Lawn Mower]

    But maxbotix is wonky....11 hours later I turn robot on...all wires ok...but robot mad
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok Jodie. I did take apart the mower and saw the problem. I used pin connectors to make my connection...the wire connected to the analogue pin on the sonar was a bit cut....that was making the...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok thanks Scud :)

    One thing has anybody experience this behaviour with the sonar:

    when I power robot on everything works fine. Then I power it off...instantly I power robot on again...however...
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    Contest Entry Re: Meet Squidword

    Nice work buddy. Once again hats off :)
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Thank jes1510. Won't a capacitor do the same job?
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Oh and testing is still being done indoor
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Err nope ...you mean what? I have just my program scan all sensors and when it detect robot steers away. Sonar is being used to detect people or high objects such as trees etc... you mean take an...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Yep did that too but didn't work...think I'm gonna get rid of them too...bought 5 in all...waste of money
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    Re: "ALMower" [was: Robotic Lawn Mower]

    I have reprogrammed the robot to detect above 6" but still same wonky behaviour. Maxbotics is really a masterpiece of sh...t. Or maybe I don't know how to use it... lol
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok thanks lnxfergy. I'm sensing at 10 cm...I read somewhere in this forum that maxbotics sensors goes wonky if we sense below 6 inch (~15 cm) is that true?

    You will find attached pictures of the...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    My robot's ultrasonic sensor EZ1 detects objects without any object in front of it...in fact my robot should reverse when it comes in front of an object...lately it has been doing that sequence for...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    yep will upload soon....anyone got an idea what paints are suitable for painting perspex?
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    Re: "ALMower" [was: Robotic Lawn Mower]

    I have been able to complete project.Thanks to everyone who has help me without any sarcasm in this forum...my greatest thanks goes to DB :)
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Can I use an RF receiver and a maxsonar in a robot....for some reason I'm having some kind of interference...the receiver is reading signal when it should not when ultrasonic is connected but when i...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    The front of the robot is 40 cm wide, can I use only a maxsonar EZ1 placed in the centre?
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    Re: "ALMower" [was: Robotic Lawn Mower]

    i got a program from the help and modified it accordingly...it now works there was a problem with the filter. Did not cut a track
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    Re: "ALMower" [was: Robotic Lawn Mower]

    can i set the frequency to 32Khz? I want both motors to stop at 2.5V? When I set frequency 5khz and duty ratio 50 % the motors still turns like mad and red led on driver switches on. The voltage...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    Ok thanks DB...anyone know at what frequency should the parallax motors be set while programming in pwm (using a pic and a sabertooth dual driver). I have operated it at 1500 and 10000 hz there was...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    What minimum distance should the maxsonar EZ1 be placed from each other on along a straight line on the same plane face?

    What is a better material for a robot casing; perspex or polypropylene?
    ...
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    Re: "ALMower" [was: Robotic Lawn Mower]

    someone can help me with a schema of a radio control remote for on/off of the robot?
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