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  1. Thread: Programing AtMega

    by sam
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    Question(s) Re: Programing AtMega

    Yes, it's 8 bits of port C.

    Thanks! Now it works... I thought 0xfb would set it as input? seems I was wrong. 0x00 works fine now.

    Sam
  2. Thread: Programing AtMega

    by sam
    Replies
    4
    Views
    5,008

    Question(s) Programing AtMega

    Hi again everybody,

    I have a problem that I can't seem to resolve...

    While doing a simple check list of functions when I built my robot, I got to the point where I needed to check that my AVR...
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    Re: Turn Your Robot Into $600k!

    Seems like a ridiculously low sum of money for a robot that can do all that. It seems like the bot will cost a lot more.

    From waht I understand it has to be pretty big to climb up normal stairs!
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    Discussion Re: Parallel Leg Mechanism Design

    Looks very interesting!

    It'd be cool to see it implemented on smaller design see how well it works. Like Brat and smaller.

    Sam
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    Re: Robotic Exoskeleton

    This doesn't make sense :

    If you try to move the arm (so that it follows yours) the servo will activate as soon as you move a bit to do everything in it's power to stop the movement, so the pot...
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    Re: Robotic Exoskeleton

    But they said the guy in Iron Man survived... But they specify anything about him breaking his back...




    Huh? The servo uses the pot to determine where it has to be. If you tell it to go to...
  7. Thread: Low Cost Hexapod

    by sam
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    28,216

    Project Re: Low Cost Hexapod

    Looks really nice!

    I too can't wait to see how it moves. Seriously, nice job! For the money you spent it looks REALLY nice. Now hopefully it will walk as nicely:veryhappy:
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    Re: How to performance test servos?

    That's a nice idea to get nice holding torque and holding torque!

    It could be a bit tricky to calculate the horizontal distance precisely thought, even if you decide to measure the angle and use...
  9. Thread: hobbypartz servos

    by sam
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    Re: hobbypartz servos

    You could buy one and do a few tests and see how it holds up. It is only 5$, so it's not to bad if you fry one.
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    Re: How to performance test servos?

    That servo looks really good for the price!

    For your rig, I would also suggest clamping down or screwing the servo to something to make it stand still. It depends a lot on the precision you want...
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    Question(s) Re: Affordable CAD software?

    I had no idea you could get it for so cheap! I have tried out a free trial for Rhino and I find it easier than Alibre to make organic looking parts with lots of curves in 3 dimensions.

    Sam
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    Question(s) Re: Affordable CAD software?

    ALIBRE!!

    An excellent program. You can try it out for free for 30 days and then they let you keep a limited version of the program. Or you can also buy the normal version for something like 200$...
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    Re: Dragoon - RX-64 Quadruped

    Very nice!

    I love it when it turns, very fast and agile. the last video is very nice!

    Sam
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    Question(s) Controlling SSC-32 with Atmega 168

    Ok, So I have been tackling this issue for way too long so I decided to ask for help.

    Info : I'm writting code in avr studio in GCC

    I'm trying to comunicate with the Tx Rx lines (TTL I think...
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    Question(s) Re: build my own basic atom pro 28 carrier board

    I made my own board for a SMD version of the ATmega 328 (for a mini-sumo) and a carrier for an atmega 168 (which wasn't a great idea...) It works well, but it's nice to have support for a device and...
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    Re: Small Lifter mechanism?

    Vex Robotics has some linear rails :

    http://www.vexrobotics.com/products/accessories/motion/275-1188.html

    I think it could work depending on the load of what you want to lift.
  17. Thread: Getting PCB made

    by sam
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    9,655

    Re: Getting PCB made

    I used Advanced circuits very recently and I was very happy with the service. Shipped two days earlier than what they had promised, the board was very nice. I did ship to a University and got the...
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    Project Re: IK Video of a Planar 2R AX-12 Arm

    very ncie work! impressive.

    Now, try to make it write with a nice caligraphy without lifting the pencil! :happy:

    Good job,

    Sam
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    Re: Heineken Commercial

    That was funny!

    Here is another one with Heineken and robots.

    YouTube- Heineken: Keg

    I really don't understand there obsession with robots :tongue:

    Sam
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    Re: Project Concept----ideas?

    Check this out at about 5 minute 40 sec.

    http://www.youtube.com/watch?v=xtxZY_XO8pM&feature=player_embedded#

    It has face recognition, object recognition (put an Tylenol box and she will say...
  21. Thread: Roz

    by sam
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    39,864

    Project Re: Roz

    That gait looks really nice Jon! Much faster than the previous one. Good job.

    Sam
  22. Thread: Shadowcat

    by sam
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    30,821

    Re: Shadowcat

    That 'bot is coming together.

    Good work.
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    Contest Entry Re: T-Hex, a Mech inspired 6x4 DOF hexapod

    I have to say that the movement seems really fast and fluid. Seems to walk faster with less of a jerky movement. Also the height can vary much more.

    I'm still waiting the next video :rolleyes:
    ...
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    Re: Lock-On --- Mini-Sumo

    Thanks guys,

    Mini-sumo competition is really fun. It was nice meeting you too Jon. After that line-following competition, I think I will build a bot just for that with at least 5 sensors....
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    Re: Autonomous Mech Thread

    Wow! This is great work Xdream.

    It's coming along. Wonder what it will do in a couple of month.
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    Lock-On --- Mini-Sumo

    Hello everyone!

    I finally managed to finish my mini-sumo just in time for the CNRG. I left from my house at 5 o'clock and finished the code at about four thirty. I built and programed my...
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    Re: Help?: Starting out with microcontrollers

    AVR-GCC with ARV studio.

    I should try programing the bootloader for the arduino on one of my chips one of these days. That is what you need right? Can I use the libraries without it?

    Now that...
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    Re: Help?: Starting out with microcontrollers

    I started out with a simple breadboard and wires with a DIP atmega 168. Plug an LED in. Did some Digital outs and ins and some PWM with the LED and a button. Create simple loop like if the button is...
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    Contest Entry Re: T-Hex, a Mech inspired 6x4 DOF hexapod

    Very nice project Zenta!
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    Re: Issy Goes Fire Fighting

    Yeah, I saw that. It was really too bad, the candle was just a few feet away! It was really nice to see it in action!

    Sam
  31. Thread: Shadowcat

    by sam
    Replies
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    30,821

    Re: Shadowcat

    It seems that, when shifting the weight to get a stable gait, you will have to make the bot lean a lot in one direction.

    It looks really cool and I can't wait to see it walking!

    Sam
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    Re: Rocket Science Soldering/Splicing Examples

    Yeah, I used that video to solder my board for my Mini-sumo. After a bit of practice, it works great. I managed to solder everything with a 1/32 inch screwdriver tip.
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    Project Re: Seeker 2x - Mini Sumo

    I listened to it 5 times and I still find it funny! Adrenalynn, you are totally right about the relate to it thing.

    Looks really nice Jon... and fast!
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    Re: Issy Goes Fire Fighting

    Me too!

    The gait is fabulous, Walks great fergs.
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    Re: A BRAT based Mech, "Miss Alignment"

    I noticed that too. Is the camera good? How does it compare to the camera everyone has? Is this going to be permanent?

    The bot is coming along nicely! Compared to the first shots of it, it's...
  36. Thread: Bheka

    by sam
    Replies
    113
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    49,049

    Project Re: Bheka

    It does! Really nice look of a "real" fighting bot!

    Good job!
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    Project Re: Hexapod with Terrain Adaption

    This is great work!

    I will be waiting for more updates ;)
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    Project Re: Seeker 2x - Mini Sumo

    Yep, robot or no robot, I'm going to the CNRG. I have my train tickets (only 4-5 hours from Montreal, compared to like 8 hours in car and 10 by bus) and I'm looking into motels for the weekend.
    ...
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    Project Re: Seeker 2x - Mini Sumo

    I know the feeling, I'm rushing to get mine done in time! Electronic board should come in this Thursday and I should finish the body with extra weight by the end of the weekend... I... must......
  40. Thread: Robogames Prizes?

    by sam
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    12,003

    Re: Robogames Prizes?

    Good traction too.
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