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patriciogonzalezvivo / vPlotter

Wireless vPlotter for RaspberryPi
http://patriciogonzalezvivo.com/2014/vPlotter/
BSD 3-Clause "New" or "Revised" License
67 stars 17 forks source link

Servo gitter #3

Open LangBalthazar opened 9 years ago

LangBalthazar commented 9 years ago

Thank you for all your work. I have a question related to the servo.

I have everything wired up and workin on my desk but the servi is very jumpy.

It has the power to lift my heavy gondola with two 6005 bearings but it is jumping all the time See example here: http://www.youtube.com/watch?v=vTT_pI-Varo

I sit just me or is the normal behavior?

If I putty in and do a mode switch to pwm the servo is silent and then sudo gpio pwm 1 122 it moves and then silent. Once I export the port again as done in the file in vplotterserver it starts to jump and make noise as in the video.

Is this Normal or do you any hints on how to improve this?

LangBalthazar commented 9 years ago

In the video I have the servo connected to gpio18 / wiringpi gpio1, 3.3v and gnd on the pi The idle movements and noise is much louder when running servo + on 5v from the pi

patriciogonzalezvivo commented 9 years ago

Hi @LangBalthazar ! yes I was having similar behavior. but stops once the GPIO library was load with the program. That's probably because of the noise on the GPIOs and the way servos works. There should be a way to fix it with proper wiring, but I don't know how to do it yet. Let me know if you find any tip. Thanks