Electrical/Software Design

My new, massive NEMA 34 motor and driver arrived in the mail a little while back. This thing is going to have enough torque to drive the wall no matter how much drag there is in the tracks! (3x current motor)

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New motor and driver setup

I was going to build a simple tone generator circuit with a 555 timer and a big control knob to adjust the speed. Using the rough design below.

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Basic wall controller circuit. Scribbled out on the back of some other work.

But while I was digging parts for this circuit out of my junk electronics box I came across my old handyboard. I built this thing more than a decade ago and have hardly used it, but as the name implies it is actually handy…. or it should be.

I started programming it to control my treadwall and found I wanted a little more functionality than it normally offers. So I wasted two weeks trying to adjust the timer output from a non-standard pin. ugh. But it is now set up how I would like and ready to go. Just not as handy as it could have been.

Right now the available menus look like this:

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I did add a big control knob for adjusting speed and other options as an additional means of user interface as well as using the start and stop buttons on the handyboard. I will likely add another button too, cause it feels like it needs it.

I am thinking I will add a motor to adjust the angle of the wall in the future. At which point it will be really cool to add workout modes that adjust the wall angle automatically.

I would love to hear ideas for additional workout modes. Please comment with suggestions! Include ideas for workouts that change wall angle if you have any.

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