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I am there with you, looking for documentation on linear actuator implementation.
You guys should have a look at this video and website
It has all the arduino code etc to make a multi-position linear actuator using the hall effect sensor for position feedback

I had wanted to use it for raising and lowering my air seeder via the hydraulic remote level in the tractor cab
My plan was to have a separate arduino for the actuator control and use relay outputs from the AOG steer arduino to tell it which position to go to.
Raise as entering U-Turn & Lower as leaving U-Turn.

https://shiftautomation.com/linear-actuator-control-programmable-positions

 

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Discussion Starter #83
Here's a good one. Unless you need excruciating accuracy, using a relay to turn on/off when the analog in gets to the point you want works quite well. Saves a lot of control system BS. Relays are wired same way as a motor reverser switch, if the are both either open or both closed it won't move. Opposite relay position either way and it moves. The only logic required is to start moving it the right way.


Arduino Linear Actuator Tutorial - Preset Position Button Control
 

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You guys should have a look at this video and website
It has all the arduino code etc to make a multi-position linear actuator using the hall effect sensor for position feedback

I had wanted to use it for raising and lowering my air seeder via the hydraulic remote level in the tractor cab
My plan was to have a separate arduino for the actuator control and use relay outputs from the AOG steer arduino to tell it which position to go to.
Raise as entering U-Turn & Lower as leaving U-Turn.

https://shiftautomation.com/linear-actuator-control-programmable-positions


Have you had any luck with this setup Rammy? I think something similar would work for my project too
 
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