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Topic3
Calibration not working??
October 9, 2016
10:18 pm
arvin-edison
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Hi. Recently got Edison Robots. Tested 2 amd both drift to the left when issuing forward command. Tried the calibration via Edware online but it seems to have no effect, or maybe not working. Any ideas as to how to fix this problem? Thank you.

October 13, 2016
2:34 pm
rino.sardon
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Same issue with calibration… Tried five times already. Is there another step after step 5?

Drift is so bad that I can’t get it to program via barcodes….

Is there a manufacturer reset option?

October 14, 2016
11:39 am
Ben
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Hi

Please make sure that you have closed any windows or programs that may create notification sounds during the drive calibration download.

These sounds can throw off the drive calibration.

If Edison does not make the success sound at the end of the calibration please see our troubleshooting page.

If Edison does make a success sound please send us an email via our contact us form

October 14, 2016
11:51 am
rino.sardon
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I don’t remember hearing the success sound. I also tried the VLC method suggested by another user.

I’ll do as you suggest and will also try changing data cables.

Thanks for the response.

October 17, 2016
9:40 pm
arvin-edison
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rino.sardon said
I don’t remember hearing the success sound. I also tried the VLC method suggested by another user.

I’ll do as you suggest and will also try changing data cables.

Thanks for the response.  

Were you able to calibrate your robot? I was successful (sort of, still drifting a little) when I used an iPad Mini. Couldn’t get it to work on a laptop nor on the Raspberry. I saved the calibration wav file using Internet Explorer on the laptop and calibrated by using a music player on the iPad. I can send you the wav file of you need it.

October 17, 2016
11:43 pm
rino.sardon
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I am still unable to calibrate mine. Strange that I can program the robot using the same setup.

I will go fine another PC with a ‘primitive’ sound card. 🙂

October 18, 2016
2:51 pm
Ben
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Hi!

I have added the drive calibration Wav files to the downloads page

https://meetedison.com/download/

They can be found at the bottom, under “Aditional Resources”

October 18, 2016
8:20 pm
rino.sardon
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I used the wav file on the same PC I use to program the Edison. As soon as I press play, I hear the fail sound and then the LED lights blink alternately. Is this an indication that calibration failed?

What should I expect to happen for successful calibration?

October 19, 2016
9:39 am
Ben
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Yes, this is an indication that the calibration failed.

During a successful calibration, Edison should buzz (like an old dial-up modem) for the full 2 and a bit minutes before making the success sound and returning to flashing the LED’s back and forth

October 21, 2016
10:20 am
howling_c0yote
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October 21, 2016
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Hi,

I am having exactly the same issue currently in that the calibration doesn’t seem to be working. I have tried now to 2 different PC’s, an iPAD and an old iPOD. Have also tried with no effect using both the online tool and also download the sound files directly onto my PC.

Cheers Stu

October 21, 2016
11:29 am
Ben
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Hi

If you have tried all options and got the success sound after the calibration download.

Please send us an email through our contact us form with an exact description of your issue and your order number and we will determine the best course of action on a case by case basis

October 25, 2016
3:53 pm
rpalmer68
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Are you trying to calibrate a V1 or V2 Edison?

There is a different calibration method for the V2 ones.

https://meetedison.com/edison-robot-support/drive-calibration/

January 21, 2017
12:48 pm
fitzsbre
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January 21, 2017
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Hi

rpalmer68 said
Are you trying to calibrate a V1 or V2 Edison?

There is a different calibration method for the V2 ones.

https://meetedison.com/edison-robot-support/drive-calibration/  

I’m trying to drive calibrate a V2 Ed but with no success. It reads the bar code but when the play button is pressed it activates after only one press and proceeds to drive non-stop in a very small circle. I have repeated the process several times. There was initially an issue with the resolution that the bar code was printed with but that seems to have been fixed.

I need a rapid resolution or my 40 Edisons will be a large waste of capital.

February 2, 2017
4:49 am
Caleb
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I have run into a similar problem occasionally with my batch of 20 V.2 Edisons in which a robot will drift so strongly to one side that it will not even read the calibration barcode in the first place

I think this is a mechanical issue…each time I have unscrewed the top and removed the circuit board and jiggled things around a bit (including the little black and white encoder cones on the drive shafts) the robot has always returned the normal.  I’m not sure what about this exercise is fixing the issue – perhaps it is even just the act of removing power from the board…I dunno… but it works.  I’ve logged quite a few hours on my batch of edisons and this is a pretty rare but real issue in my experience.

I’ll post pictures next time I have to fix one

Caleb

February 4, 2017
5:01 am
Caleb
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I just had another Edison V.2 have this severe drifting issue.  It intermittently would pull sharply to one side.  When running the calibration program it would turn sharply and seemed unable to compensate.  It would end up spinning in tight circles during the calibration run.

I took the screws out and removed the circuit board and re-seated it.  The problem went away immediately.  I did not touch the motors or encoder cones.  I’m pretty sure this problem is the result of intermittent poor contact between the little power tabs on the motors with the circuit board.  I took a the end of a pen and slightly lifted the small tabs on the motors to bend them slightly to create a more firm and consistent contact with the IC board above them.  

I’m hoping this solves the issue

I’ll update as to how well this works in the long run.

Edison InternalsImage Enlarger 

May 27, 2017
4:07 am
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Jan
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Caleb said
I have run into a similar problem occasionally with my batch of 20 V.2 Edisons in which a robot will drift so strongly to one side that it will not even read the calibration barcode in the first place

I think this is a mechanical issue…each time I have unscrewed the top and removed the circuit board and jiggled things around a bit (including the little black and white encoder cones on the drive shafts) the robot has always returned the normal.  I’m not sure what about this exercise is fixing the issue – perhaps it is even just the act of removing power from the board…I dunno… but it works.  I’ve logged quite a few hours on my batch of edisons and this is a pretty rare but real issue in my experience.

I’ll post pictures next time I have to fix one

Caleb  

Caleb,

You’re my hero!!! 🙂 I did unscrewed the cover (4 screws) and the board (2 screws), moved things around (e.g. reposition the motors), screwed everything back and the robot drives straight now!!! 🙂

December 28, 2018
8:32 am
Jeremy
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