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Continuously Rotating Servos

I have a pair of servos that were modded to rotate continuously about a year ago. I've been trying to make them rotate with the command:

servo 0, 1 : servo 1, 1

but I find that this does nothing but make the servos twitch. However, when I use:

servo 0, 1 : servo 1, 1

wait 2

the servos rotate clockwise for two seconds. Furthermore, when I use:

servo 0, 2 : servo 1, 2

wait 2

Continuous Rotation Servo & Picaxe

Ok, so I finally got all my gear set up to build robot numero uno, but Im goin friggin nuts trying to control my continuous rotation servos from parallax. Im using a picaxe 18x to produce the code, but no matter what pulsout or servo commands I use, my servo's only go clockwise.I NEED them to be able to go counterclockwise  for my differential drive train to work right. I have read every post on LMR about servos and have tried a lot. I have read their parallax data sheet and that they should respond based upon the pulse width, but no go.

continuous servos

For all you guys who have bought or modified a continuous 360 servo, how does it work?

 I want to be able to have a very controllable motor that I can tell to make specific number of turns and stop.  Would that be a way the continuous servo could work?

 I mean, for other servos, sending different square waves gives different angles, but if the servo goes all the way around and again...  how do you tell it what you want?

 (just want to know if it is feasible and a general sense of how it works before I buy one and try it)

Price: $15 USD

 Collected by one member
I just found this on HobbyEngineering.com and thought you might like it. I've read a few tutorials on how servo's can be made to rotate indefinately, and rather … Read more