Itz heere!

Mar. 11th, 2008 09:46 am
carlfoxmarten: (Default)
On Saturday, my dad handed me the rest of my Lego order: four short wire bricks and two motors!

Together with the one working motor I had already, the one that came several weeks ago, and these, I now have four working motors.
(and only three motor ports on my RCX. I don't know why dad gave me one extra. Could have been the four wires and only three motors, but then he forgot about the sensors...)

Now I'm trying to figure out what to do with them all.
So far I've built a working roverbot that wanders around the floor, bumping into things and moving away, but I don't have too many other ideas.
(I'm kinda open to suggestions, by the way)

My next idea is a sorting robot that picks up bricks from one area and puts them into bins, similar to the way a "regular" robot does, but on a straight track instead of swiveling (I found out that I have a total of nine four-stud-long racks. Those things can be so useful sometimes).

Because I'm on Linux, the only development environment I have at the moment is a plain text editor and NQC (not quite C) for writing and programming the RCX, and it's working okay so far.
(I'm just glad that I'm not limited to using the environment that Lego uses, it's pretty restricting, especially with only one variable!)

Next I need to actually program the arm, and maybe find someplace to put it so I don't have to keep moving it around my room...

(anybody have any suggestions for another Lego Mindstorms project? I'm kind of stuck for more ideas)
carlfoxmarten: (Default)
*a package appears on the doorstep of the fox/marten*

*the fox/marten peeks outside, sees the package and snatches it up, dashing back inside*

*after a few minutes, he crashes out of the front door*

"AH HA HA HA HA! Mortals! Fear the awesomeness of my creation!"

*a tiny, fragile Lego robot drives out the front door and attempts to drive down the stairs, but ends up crash-landing in a pile of small pieces at the bottom of the steps*

"Darn, I guess I should have checked the manual on this thing first..."

Well, since that didn't seem to work, I should say that I've enjoyed playing with Lego for many years now, and had got my first Lego Mindstorms kit a couple years ago from a secondhand toy fair.

I was so excited!
I could finally build and program my own Lego robots!

But the problem was that it only came with one working motor, the other had came completely seized up and wouldn't even turn by hand, let alone on command from the RCX unit (the Lego robot's brain).

However, on my last birthday my parents gave me a "gift certificate" for $50 from Lego to use as I wished.
So I carefully browsed their website trying to find a match for the motor that came with the Robotics Invention System I had, but what with it being several years old, I didn't find it on their website.

Fortunately, they still make some of them (or at least have some in stock), as I found out after not one, but two calls to Lego's Canadian phone number.
It's a darker grey, but I don't care about the colour, it'll be compatible with what I have already.

Now I can finally build a mobile robot that can actually steer without having to do that nasty turn-in-reverse thing that I had to do previously.

Once my order comes in, I'll finally be able to build robots like they describe in the books I have!


Later, once I've played around with the system I have enough, I'll probably go out and buy their new update to the system, the Lego Mindstorms NXT.
Boy, what I could do with that!
(it can use many Bluetooth-compatible devices, including cellphone cameras!)

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Carl Foxmarten

August 2023

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