Let's Make Robots!

LMR Global Project - Idea Phase

This thread will allow the build team of Jklug80, rik, Calculon320, slick, Edgee, CaptainTune and robologist to start working on the project and figure out what it is, what it will do and how to build it.

Currently the goal is to decide what the project is (what jklug80 proposed or something else), then we need a name for the robot, then we need a name for the group of 7 who are working on the project. We need a list of desired features, a list of REQUIRED features, and who will do what. LETS GET STARTED!

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Got to thinking about other web controlled robots. One recent that appears to be taken down is the BPExploer, that had several little Surveyor robots running around a sort of diorama, crossing a bridge, etc. It was kinda fun for a few minutes. An old favorite was the Telegarden, a robot arm palnting and caring for plants. There was this article about a web controlled paintball tank, that I remember seeing video of, but did not run myself. They seem to have expanded into a different site with mini-tanks controlled online, but not getting anything to load.

Thinking of this last web-bot, the Mr Basic sorta seems to me like a trebuchet base in shape. Wonder what it might be like to have a web controllable, loadable, auto-trebuchet (aimed at pictures of Frits!) ?

That would be cool if it could collect the ammo and auto reload. One thing I want is for it to be self sustaining. When it needs a recharge it goes to recharge by itself. It requires no hands on intervention...

Hmm, not seeing an easy way to reload a trebuchet, too many loose fiddle-dee-bits. But something like this weiner-dog excerciser might be workable. Possibly loadable with Frits Grippy robot arms. Think it's too much to have folks drive the robot to an ammo ball, and load it over the net? Then getting to aim and fire?

A guy I worked for had a robot soccer project, 2 little robots inside an arena to be wirelessly controlled by joysticks. When the joysticks were at rest after a time limit, the robots autonomously did a wall finding/following algorithm to get to their corner chargers. That seemed to work pretty well, or a beacon system could be tracked alternatively. The contacts used were floor and overhead (for the robot) that seemed to work, I'd think a simple dual verticle pole contact would work too, with a couple of wire bumper sensors used as charging points.

Soccer players seem cool too but they woul dhave to stand up on their own. You also have to think about how someone would try to break your robot and prevent them from doing it.

Hey why not binding the two ideas? Web controlled soccer bots! So anyone can join in and play a soccer match on the net. It might be nice because:

- soccer robots won't have to be too expensive and hard to make, you just need an MCU, motor driver, and RF receiver 

- someone has already done the "controlling the bots via web" so we might ask for help if we don't know how to

- it's definetly something innovative! 

 

OH and...if we all have MR Basic we might consider using it 

 

PS: i have a doubt....were you already talking about it? If yes please excuse me!  

Definitely ask Semicton about your webby stuff. He's really into that kind of computer-web-robot interface kinda thing. :)
Soccerbots would probably require a pretty short feedback loop on what was going on, as well as a quick way of getting commands to the robot. I think internet latency and maybe bandwidth might be a problem there. In other words, a player sees the ball and directs the robot to turn and head towards it. A 1/2 second later the turn is executed (time for command to bounce through ip addresses) and the robot then heads forward, only to see the soccer ball is gone (from the other robot that was already aimed at it). It appears the ball just disappeared as the video frame rate hit just right to allow the other robot to pass in between frames, so there is no apparent direction the ball went. Now this may be worst case, but I wouldn't be surprised to see both the latency (commands getting through slow) and low video frames (bandwidth) become frustrating.
True if we use video we have to assume latency and less than 30FPS which means it will have delays between frame refreshes.

it looks like i forgot all the latency problems i had when trying (without good results) to make a multiplayer game.... you are right, don't know why but i didn't think about it.