Lynxmotion Tech Support

Try Google sketchup (easiest to make nice looking parts). Not the best of CAD software, but getting better all the time. There are some free CAD programs available too - try the more popular ones.

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Coleman Benson
Lynxmotion
Imagine it. Build it. Control it.™
http://www.Lynxmotion.com

Ah yes, I've been meaning to try that out - thanks!

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ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

Being bored - I decided to give Sketch-Up a go. I love it! It's so easy to use!
Did a quick 'sketch' - didn't turn out too bad. ^___^

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ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

Quick servo too. ^___^

_________________
ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

How do you get the components a specific size with Google Sketch-Up? I remember being able to draw a circle to a specific radius - but not how to add a specific thinkness to it?

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Heard in the workshop: PEBRAC...

I'm sorry, I have no idea - I did all by eye yesterday.
I'll have a better play around with it later on and let you know. ^___^

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ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

Um...had a quick look - nothing seems obvious at the moment however there is 'Measurement' box in the bottom right which tells you the dimensions of the object you're making whilst you do it.

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ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

Apparently, you use a co-ordinate system to draw the precise shape:
http://support.google.com/sketchup/bin/answer.py?hl=en&answer=95599

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ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

Hi guys!
So it's been quite a while and I've been fighting with the walking code and it's sort of getting somewhere (I think ) but I wanted to ask a question.

Is it possible to set an offset angle as 0 for the servo? For example:

Say that Servo A is plugged into P1. If I wanted +15 degrees to become the new 0, is there a way I can write some code so it says that the 0 value is +15 degrees so that if I type ...

... the servo goes to +15 degrees?

Thank you! ^__^

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ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

I don't really know this programming language but this concept should work universally.

Make a constant at the beginning of your code called P1Zero or something. Then use P1Zero+(angle) in your hservo call.

Example:

P1Zero = 15

hservo (P1\P1Zero+0\1000)

That would move the servo to 15degrees.

I think Marcham answered this pretty well. If you were using an SSC-32 to control the servos, there are ways to tell the SSC-32 what the servo offsets are for each servo. Although it is limited to I believe + or minus 100 (us) Which probably does not give you the 15 degrees.

If you look at the Phoenix code (for example the 2.1 beta stuff that was posted). I had code in place for the ARC32, which gave a way using the keyboard to enter into Servo Zero offset mode, which you use the debug terminal to find the proper offsets, which I store in the EEPROM of the ARC32. The code then reads these offsets in at init time into an array aServoOffsets, which I then use in all of the place I output stuff to the servos... For example in the function UpdateServoDriver, as well as my emulation of running sequences.

Kurt

Thanks for the help guys!
I think I'll be using Marcham's idea since it's easier to use. ^___^

Thanks again!

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ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

Actually they are the same idea, just pointed out a place where it was done

Although I must admit what I pointed to you is a bit more complex, in that what we passed to the function to output was in 10ths of a degree, so you also had to do the conversion to HSERVO units. Also the code does the work for timed moves, where all of the leg joints get to desired position at the same time...

Good Luck
Kurt

Thanks. I should hopefully be able to make some headway this weekend. ^___^

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ROBOTS FTW! ^____^
http://kaizoku-robots.co.uk

Why, Grandmother, what big eyes you have!

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Ted, RoboTed
Never quite finishing means never having to admit failure!