Quote:
Originally Posted by Ether
Resolution and stability: How fine is the resolution, and once you've dialed in a desired pulse width and taken your hand off the dial, is it stable at that value?
Toggling: Is it practical to toggle the PWM output back and forth between neutral and a pre-set value by using the "Select" button, or does Mode3 get in the way if you try to do that?
Have you cracked one of these open to see what kind of circuit they use?
Have you successfully operated a Talon SRX with this device?
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I have used the device to operate Talon SRX's and Victor 888's, the two controllers we used on our robots. The context of the tests were simply to verify that the motor controller was working, or that the cable was good, so I'm afraid I don't have solid answers as to stability or accuracy. I have also used it to test the servos on our pan/tilt camera unit.
The 4-digit LED readout lets you dial in any value in microseconds, assuming a steady hand, between about 800 and 2200 (I believe). How finely would this correlate to the actual output signal? I don't know, sorry. The dead band is right at 1500 and the motors turn from "very slowly" to "very fast" at the extreme ranges, and that's all I really ever needed this thing to do. I strapped a 4-AA battery pack to this unit and called it a "quick and dirty PWM tester".
I haven't ever cracked it open but if I get a chance I'll report back the results!