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Thread: where should i start????

  1. #1
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    Question where should i start????

    i visited 4mem8 today after his robot was in the newspaper, and i have really got hooked into robotics. I am a member of www.brightsparks.org.nz and i can get a 10% discount of lynxmotion products from sedonia.co.nz. I have already sent off some enquiries for prices of mechanical bits and pieces.

    I really want to build something with reverse actuated legs for the mech wars, or something similar over here in NZ.

    Where about should i start?

    I already do PICAXE programming and i know bit when it comes to circuitry.

    Thanks.
    Hey Hamlet: 2b or not 2b = $FF

  2. #2
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    Re: where should i start????

    There are a lot of ways you can go, and it really depends on what you want to do. I would suggest hanging out at 4mem8's place for a while, playing with his bots, and deciding on a direction to start with. Rolling robots are easier to work with in the sense that you don't have to worry about balance and stuff...

    It really all depends on where you already are. I would suggest a BOE bot or lego NXT kit for anyone who is just starting out, but thats just me.

    DB

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    Re: where should i start????

    Welcome! If you're looking for a Lynxmotion based biped, the scout is a solid choice. I would however recommend going with 5990TGs, and 12 of those will set you back a decent amount, so it really depends on your budget. The plus side would be that you and 4mem8 could work together on getting it to walk.

    Programming is the hard part in robotics in my opinion, so if you have a background with PICAxes you're getting a decent head start.

  4. #4
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    Re: where should i start????

    Hey thanks guys, I know elios will appreciate your feedback, I did mention NXT for mobile base type robots, but I think elios is taken by the mech war scenario, But as you say Tyberius, Those 5990TG's servos cost a bunch and maybe out of reach at this stage. I guess that the next one down is the HS 645's. Oh that reminds me Elios, Welcome to this site, you will enjoy yourself here.
    People yearn after this robotic dream, but you can't strip your life of all meaning, emotion and feeling and expect to function.


  5. #5
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    Re: where should i start????

    Thanks 4mem8. I was just thinking about the costing problem... i decided that i would bookmark the manual for building the scout, and when i had the money i would by the parts i need, etc. so one week i might get some feet and the chassis, the next i might get some servos. Just building it up from there.

    Otherwise would it be possible to make my own brackets out of aluminium?
    Hey Hamlet: 2b or not 2b = $FF

  6. #6
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    Re: where should i start????

    You could, but these brackets are usually T6 grade and you have to be very careful that you do not fracture the bend, Plain alloy will flex under the stress and is not really suitable. good idea getting parts when you can.
    People yearn after this robotic dream, but you can't strip your life of all meaning, emotion and feeling and expect to function.


  7. #7
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    Re: where should i start????

    yup, talking about getting parts when i can, i think i have just ordered myself a scout biped chassis from lynxmotion for about 26$$$ NZD including shipping!
    Hey Hamlet: 2b or not 2b = $FF

  8. #8
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    Re: where should i start????

    Cool, That's a good start.
    People yearn after this robotic dream, but you can't strip your life of all meaning, emotion and feeling and expect to function.


  9. #9
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    Re: where should i start????

    yep, so which were the digital servos that you recommened? 400 lb torque?

    these ones?

    http://www.sedonia.co.nz/s5475hb.htm
    Hey Hamlet: 2b or not 2b = $FF

  10. #10
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    Re: where should i start????

    Quote Originally Posted by elios View Post
    yep, so which were the digital servos that you recommened? 400 lb torque?

    these ones?

    http://www.sedonia.co.nz/s5475hb.htm
    Not 400lb!! 440oz @7.2v [email protected] 6v HSR5990TGs Hitec.

    Cheaper ones but quite good. Analogue

    http://www.trossenrobotics.com/store/p/3292-Hitec-HS-645-MG-high-performance-hobby-servo.aspx


    Mid range digital.

    http://www.trossenrobotics.com/store/p/3295-Hitec-HS-5645-MG-digital-hobby-servo.aspx


    Digital more expensive. Recommened.

    http://www.trossenrobotics.com/Hitec...SR-5990TG.aspx

    Robot base plates for the 5990

    http://www.trossenrobotics.com/store...-Case-Set.aspx


    Hope this helps you out elios.
    People yearn after this robotic dream, but you can't strip your life of all meaning, emotion and feeling and expect to function.


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