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Step 8Setting the stepper motor.
You need to set the antenna is facing due north (0 degrees) so that you can calibrate the stepper motor. I am assuming you have used a compass before.The antenna will only need to go 90 degrees either side of north. you could get one of these and use it to keep the right direction: http://www.parallax.com/Store/Microcontrollers/BASICStampModules/tabid/134/ProductID/98/List/1/Default.aspx?SortField=UnitCost,ProductName But that is another instructable.
You will need to experiment with the code that I showed earlier to see how much it takes to go 1 degree. The stepper motor code will also have to know where it is at. Now if someone manually moves the antenna this will of course throw all the settings off. You will have to reset the antenna and the software.
You will need to experiment with the code that I showed earlier to see how much it takes to go 1 degree. The stepper motor code will also have to know where it is at. Now if someone manually moves the antenna this will of course throw all the settings off. You will have to reset the antenna and the software.
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