HSR-1425CR

Help & Support Robot Parts
1

Hello,

For a project in machine learning, a balance-bot, I am looking for a servo which can be controlled by a PWM-signal. I would like to control it from the audio-jack of a netbook. This is a absolute must, so no motors. :frowning:
It should come with position control, but it would also need to make continuous rotations.

So I came across the HSR-1425CR, ( lynxmotion.com/p-429-hsr-142 … servo.aspx )
But I wonder whether this is
a) a position-control-servo or is it a speed-control-servo? Some messages in the forum are dubious, but this might be because some people tend to use it as a motor.
b) can it do multiple rotations after each other, or can it only do 360° and then block?
c) does it always take the shortest route to the desired point?

While I have some experience with servos, these might still be stupid questions. I just found the info on the internet dubious, and the spreadsheet quite short :mrgreen:

2

a) The continous rotation servos can be operated in foward or reverse, with some speed control available near the stopped position. No position control.
b) It can rotate continously in both directions.
c) Not applicable to continous rotaton servos.

They have no position control or position feedback.
Servos are not controlled by the typical PWM format, they use what is often refered to as PPM.