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Arm doesn't stop moving
06-22-2017, 07:03 AM
Post: #1
Arm doesn't stop moving
Hello,

I have a problem with the servomotor which move the arm.
At initialization, arm moves in both ways until robot stop, even if robot is standing.
I've trying two programms, the programm of 2015, with librairies, and the programm of 2017.
The model of the servomotor is Corona CS-238MG.

Tank you for your help !

Sorry for my english, i'm French.
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06-22-2017, 09:17 AM (This post was last modified: 06-22-2017 09:18 AM by JJrobots JP.)
Post: #2
RE: Arm doesn't stop moving
Hi!
could you attach a video and some photos of your setup? It will help a lot :-)
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06-26-2017, 12:11 PM
Post: #3
RE: Arm doesn't stop moving
https://www.youtube.com/watch?v=eTfZw-KYPmc
This my video. The robot is not full because i have other problems with the wheels. But even if the rest of the robot is ok, arm doesn't stop this movement.

I tried with an another servo motor, and arm moves correctly.
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06-26-2017, 06:48 PM
Post: #4
RE: Arm doesn't stop moving
That is... weird :-\ Have you tried with this CODE? (latest one): https://www.jjrobots.com/wp-content/uplo...VO2_17.zip
Can you tell us what kind of Brain Shield are you using? There should be a version number on the PCB
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06-27-2017, 08:49 AM
Post: #5
RE: Arm doesn't stop moving
Yes, i have already test this code, and it doesn't work.
I don't what is a PCB. The brain shield which I use is this : http://www.jjrobots.com/product/b-robot-...ield-v2-0/
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06-27-2017, 03:27 PM
Post: #6
RE: Arm doesn't stop moving
(06-27-2017 08:49 AM)Louise Wrote:  I don't what is a PCB.
https://en.wikipedia.org/wiki/Printed_circuit_board
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06-27-2017, 03:47 PM
Post: #7
RE: Arm doesn't stop moving
(06-27-2017 08:49 AM)Louise Wrote:  Yes, i have already test this code, and it doesn't work.
I don't what is a PCB. The brain shield which I use is this : http://www.jjrobots.com/product/b-robot-...ield-v2-0/

Try to DEBUG the robot. Take a look to the DEBUG MODE herehttp://www.jjrobots.com/b-robot-evo-2-assembly-guide/

Or assembly everything and try the robot without the servo (it might got damaged)
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