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Originally Posted by sanddrag
shaft of similar size is to heat shrink them together to make a flexible coupling. On a square shaft, it would work superbly because it would get a good hold on it. And on the round pot shaft, it should have enough surface area not to slip....
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Sanddrag you Mad Genius!!! That worked out GREAT!!!
Check out the pictures. You can see that I was able to find a 10K linear pot with a shaft very close in size. The other cool thing about the pot is the pins on it align perfectly with a Servo extension cable plug, except, they are small enough that the make poor contact, so I had to solder to the pot. I also felt the round shaft might not grip the heat shrink well, or vise verse, so I added a layer of smaller diameter shrink to it first. Then using a diameter that fit both the round and square shafts, I shrank them together. WORKS GREAT!!!
This is an edit to give an update:
I spent some time working with, and programming, last night. I got the programming module to work!!! I now can use the Radio Control stick to control the position of the are instead of just the speed. This is a big step for me, and my team, because we have NEVER used anything beyond the basic code on our bots.
BTW: When you program the VEX, the basic code turns over control of the PWMs to the USER, not the MASTER, controller. Until you write code to create the PWM signals, you will need to set the PWM control to MASTER or nothing will work.