Australia
Asked — Edited

6 Servo Robot Help Needed. (Ridable)

Hey guys I just wanted to know how can I control 6 servos with a movement panel, I am a noob when it comes to servos. The front 2 are steering and the back 4 are not. This is gonna be a ridable robot! Call me crazy but I am still gonna make it. Please let me know how I can set this up.BTW I wanna use the arrow keys to control the servos.

Thank you for reading!:D


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#9  

Quote:

thtechguru thank you for chimming in. is that any movement panel?

Yes. You need to first click on the panel so that it has focus, then the arrow keys on your keyboard will drive it.

Alan

PRO
Belgium
#10  

che wants to use 6 servo's.does this mean 6 movement panels? maybe a pic would be good.

#11  

You can't use more than one Movement Panel in a project. Each Movement Panel can control two modified servos or motors directly, but with a custom Movement Panel and scripting, you can run more than that.

Like I said, we need much more information about the project before we can give useful advice. With what we have so far, we are just taking wild stabs in the general direction.

Alan

PRO
Belgium
#12  

theekshana you can read it,lots off info,a pic or drawing what you want to do. and what parts you allreddy have.

thank you alan

Australia
#13  

Ok currently I am just planning it right so I am a noob when it comes to Hbridges I have no idea how to make it work, but I have made robots with Arduino and coded but only used servos. But I wanna use EZ-B to do it. And which motors you recommend? and if I used motors how would I do it? with the steering and stuff?

PRO
Belgium
#14  

goodmorning theekshana

on this page ontop you see learn button,click on that.then next page you see, also ontop page,ARC manuel.there you find all video about devices. how to use them and connect them.also servo for wheels and H-bridge is , on sale here.

H-bridge

#15  

You don't use an H-bridge with servos... H-bridges are DC motor controllers.... Servos basically have a H-bridge built in.... As Alan mentioned use the modified servo Movement Panel (or custom movement panel) to control 360 deg (continuous rotation) servos.... Use the vertical or horizontal servo controls for normal 180 deg servos...

If you are driving normal geared dc motors (there are literally thousands of different kinds so it's hard to recommend any) you would use an H bridge motor controller.... I personally like using a sabertooth motor controller (you can google it) because of it's simplicity, power and versatility....

If you want to be able to "ride" this robot using servos, you better go on a diet. You would be lucky if your cat would be light enough to do it. You will need something like wheel chair motors and a strong frame if you were at all serious about riding it...

#16  

I would suggest differential steering rather than something more complex. If you are set on 6 wheel drive, you will need 6 of the same motor, and an H-bridge with a higher amp rating of all 6 plus some overhead. (you could use one H-bridge per motor pair, but that gets more complex).

You could also use fewer motors and use casters for the additional wheels. A pair of wheelchair motors can move 300lbs at a good clip if powered with 24 volts.

Or, with more motors you could use something like windshield wiper motors. A pair won't move you too fast, but 6 of them would.

I still suggest starting with a simple boxbot to get used to how the software works and then spend some time designing your ride-able robot and run your ideas past this group before making big purchases.

This video (and the related ones on Youtube) show you how to build a simple boxbot with parts from the developer kit. It was done with the V3 board, so the instructions for connecting to the computer are different now, but the basics are all there.

Alan