
Jayutmb

I am sure this is someplace ( I can find it with search)
I learning to use the tracking for ez v4 and I was wondering if is is possible to use the 360 servo to have cam track in a circle? I have been trying, but it seems once the cam picks up something it just spins the servo ( with no stops) with no real regard to anything and does not behave like the regular servo with tracking. Is this something that is just a result of the 360 servo or is it something I can fix?
A 360 servo looses the ability to know where it is at, and thus looses the ability to be used in such a manner.
Scripting could make this happen but it could get very extensive.
A continuous rotation servo has no mechanical stop nor the variable resister feedback. Based on the pulses sent you can still control speed and direction of a continuous rotation servo, but not where it stops.
So given that, lets consider for a moment what it would do to your EZbv4 and camera if it were on a continuous rotation servo. Wires have to go from the camera to the ezb, so if it rotates around and around the wires will coil and break. You don't want that.
I assume you are pondering a radar type unit on your robot that can spin 360 degrees but not continuously? One method might be to use two servos and two ultrasonic sensors back to back with 2 radar modules in ARC - this would give you 360 degree coverage. Also note most standard servos rotate greater than 180 degrees so set the stop points so they don't bang into each other.
j
Or you could simply turn the robot around so it could get a 360 degree view that way.
I could have swore at one time servo city sold a servo that rotated nearly 360 degrees but it was not continuous rotation, it was a stand servo. But I can't find it now.
Here how a servo works: Click for tutorial
Here's the video but I do recommend clicking to read more
Robot Market Place.com
The HS-785HB sail winch servo with it's large drum wheel has 3 1/2 revolutions of travel for hauling in even the largest of sails. With its dual ball bearing supported output shaft the HS-785HB will provide years of reliable service.
SPECS:
Length: 2.32"
Width: 1.14"
Height: 1.96"
Weight: 3.88 ounces
Torque: 152.75 oz/in at 4.8V; 183 oz/in at 6V
Speed: 1.68sec/360deg at 4.8V with no load; 1.4sec/360deg at 6V with no load
Bearing Type: 1 Bearing and 1 Oilite Bushing
Gear Type: Karbonite
Motor Type: 3 Pole Ferrite
There may be others who sell them for less. Google is your friend.