top speed

15 years 2 months ago #4715782 by Rundover
top speed was created by Rundover

I am using the AX2550 for raceing and want to make sure that when my analog joystick is at full forward position that the motors will receive full power. If the joystick doesn't return a value of 5v than the motors will not reach top speed. Is it possible to set the controler up so that when the joystick is 90% full forward the controler will automaticaly give 100% full power to the motors?

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15 years 2 months ago #4717703 by cosma
Replied by cosma on topic Re:top speed
<P style="MARGIN: 0px">This is currently not possible. We are working on a new release of the software that will allow you to calibrate the min max and center position of the analog joystic (similarly to the RC joystick calibration feature) but this is a couple of months off.
<P style="MARGIN: 0px">
<P style="MARGIN: 0px">A crude technique you could use to achieve what you are looking for may be to power the other end of your joystick pot to +12V instead of +5V. This way, for example, if at full forward your pot can only reach 80%, then you will have 80% of 12V instead of 80% of 5V. You can add another adjustable pot between the joystick and the +12V and trim it so that you get 5V at the joystick output at the max joystick position. For this to work well, you need the 12V supply to be fairly stable.
<P style="MARGIN: 0px">
<P style="MARGIN: 0px">Note that this will help only in the forward direction. If your pot cannot reach the other end, you will not be able to reach full reverse speed. Also, this will also cause the center position of your joystick to no longer be the electric center.

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15 years 2 months ago #4720645 by Rundover
Replied by Rundover on topic Re:top speed

Thanks for the reply. I have already considered changing the input voltage but the software change sounds like its the best way.

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15 years 5 days ago #5658266 by OUME
Replied by OUME on topic Re:top speed
Rundover: We had the same problem and tried using Ohm's law to modify the max/min voltages for our pot. The discussion should be archived. I was able to get a concept to work using cheap pots, however, our joystick was a complex series of op amps, so this method wouldn't work for complex joysticks. good luck

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14 years 11 months ago #5838436 by Rundover
Replied by Rundover on topic Re:top speed

Ok, it has been a few months, any insite as to when the new updates will be ready?

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14 years 11 months ago #5922036 by cosma
Replied by cosma on topic Re:top speed

We are behind schedule on our v2.0 development. We intend to make significant improvements to the software. A preview of the features will soon be posted on dedicated web page for user's review and comments. Software release is currently scheduled for Q4/05

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