Questions tagged [rcservo]

An rc or hobby servo is a closed-loop servomechanism, typically used in radio control model, hobby or small-scale robotics applications. It usually consists of a motor coupled to a sensor (e.g. potentiometer) for position feedback, typically using a high ratio gearbox.

Filter by
Sorted by
Tagged with
9
votes
3answers
2k views

Can RC servo motors continually rotate?

I know that RC servo motors are designed for precise movement, rather than a D.C. motor's continual rotation. Are most RC servo motors limited to movement within one rotation or can they actually be ...
4
votes
2answers
191 views

Biped State Space Implementation

Currently I working on a humanoid robot using inverted pendulum model and use LQR for walking stabilizer. Input u is Torque, State x is angle and angular velocity and y output is angle. I got the ...
15
votes
4answers
6k views

How can I modify a low cost hobby servo to run 'freely'?

I've got some hobby servos (Power HD 1501MGs) and I'd like to be able to control them (via an Arduino) so they will either go to the angle I set, or put them in a 'free running' mode, where the load ...
8
votes
1answer
1k views

For servos, can it be implied that `Holding Torque = Operating Torque * 2` like with steppers?

I am following a guide that recommends using stepper motors and it has an approximate holding and operating torque. It says that if you don't know the operating torque, it is often half of the holding ...
4
votes
1answer
167 views

Should a MG996R Servo's extreme position change over time?

This question is a follow on from my previous question, Overheating/Jamming MG996 servo. I have recently purchased my first ever servo, a cheap unbranded Chinese MG996R servo, for £3.20 on eBay. ...
4
votes
1answer
2k views

Overheating/Jamming MG996R servo

I have recently purchased my first ever servo, a cheap unbranded Chinese MG996R servo, for £3.20 on eBay. I am using it in conjunction with a Arduino Servo shield (see below): As soon as it arrived, ...
3
votes
1answer
450 views

What approaches should I consider to create rotating a turret

First a bit of background, I am planning to make a highly maneuverable airship controlled by four thrust vectored propellers. I don't want to rely on a rudder and forward momentum for turns but ...
0
votes
0answers
314 views

What dependencies do I need for USB programing in python with pyUSB?

I am trying to get the usb.find command to work properly in a python script I'm writing on Angstrom for the Beagleboard. Here is my code: ...