Servo Does Not Move

rb550f

USA

Asked Jul 2014 — Edited Jul 2014

Resolved by Dunning-Kruger!

On ezb 3 i set added one servo to d3 port.I then set min and max values and can move the vertical servo with up/down with mouse.I click save and then i get no response from servo with up/down arrows using mouse.I click on it and is green but doesw not move servo ?

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Steve S

PRO

USA

#1 Jul 2014

rb550f,
Did you try it on another port?
I purchased a used v3 and found one dead port.
Does that servo work on other EZBv3 boards?
Steve S

rb550f

USA

#2 Jul 2014

I tried a different port.I can move the servo from the config panel with min/max values and save it..But when I click on box from servo panel it does not move and the values do not change with moving arrow up/down..

Rich

United Kingdom

#3 Jul 2014

Does the servo physically move when you set the limits in the config?

Jeremie

PRO

Canada

#4 Jul 2014

Hi @rb550f

Have you by chance made the Max value small (1) and the min value large (180)? I've seen some issues when I've done this in the past.

Dunning-Kruger

Canada

#5 Jul 2014

As Jeremie is saying... for V3 min and max values for servos should be 1 (min) and 100 (max).... 1 - 180 values are for servos on the V4 board...

rb550f

USA

#6 Jul 2014

I have a value of 65 to 91 for the servo in config.And yes the servo physically moves in config panel.

Rich

United Kingdom

#7 Jul 2014

Are you using the control correctly?

Click and hold the mouse (or hold your finger) while dragging it back and forth as these videos.

Does the box change to green when you click and hold?
Do the numbers increase/decrease as required?

jstarne1

PRO

USA

#8 Jul 2014

This is a weird one. Maybe delete the control and reset it up?

Dunning-Kruger

Canada

#9 Jul 2014

...or re-download ARC, re -nstall it and reboot your PC.... Then try again...

rb550f

USA

#10 Jul 2014

The box changes to green but the numbers do not change up/down.And yes i do know how to use controls..Works on my other robots.

rb550f

USA

#11 Jul 2014

I tried a different servo on a different port and i still have the same problem...

Rich

United Kingdom

#12 Jul 2014

Can you post your project? From what you have said it should all work but if you post your project we can take a look to make sure there isn't something wrong in any of the set up/config

CardboardHacker

Canada

#13 Jul 2014

It sounds like you got the servo values backwards to me.

Make sure its NOT like this:

In this photo, the values need to be switched. if they aren't, they with lock up the control. When your setting the values, the servo is working based on the position in the value box, letting it move. When you try to use the control, the values being backwards prevent the servo from moving.

rb550f

USA

#14 Jul 2014

I was able to get to work with closing ARC and start a new project.Thank you for your support.

Dunning-Kruger

Canada

#15 Jul 2014

Aewsome... I always subscribe to Occum's Razor.... Usually it's the simplest thing that keeps something from working...

Rich

United Kingdom

#16 Jul 2014

Can you post the project anyway? While that solution is great knowing the cause is always something which helps too. You wouldn't have wanted to restart a huge project which suffered this issue I'm sure so if anyone else encountered it on a large project it would be great to see what you had done to cause it.