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Check the parts bag. You should have received the following components.
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Before you start make sure you have everything you need to put together this kit. You should have received the following components.
 
[[File:RC_stepper_parts.JPG|400px|none]]
 
[[File:RC_stepper_parts.JPG|400px|none]]
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You can check the [[Radio_Controlled_Stepper_Bill_of_Materials| bill of materials]] for more details about each component.
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Next insert the first MOSFET.  
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Next insert the first MOSFET. Align the MOSFET's metal tab with the white bar on the graphic.
 
[[File:RC_Stepper_14.JPG|400px|none]]
 
[[File:RC_Stepper_14.JPG|400px|none]]
 
[[File:RC_Stepper_15.JPG|400px|none]]
 
[[File:RC_Stepper_15.JPG|400px|none]]
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Bent the two outer legs away from each other and solder the MOSFET in place.
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Bend the two outer legs away from each other and solder the MOSFET in place.
 
[[File:RC_Stepper_23.JPG|400px|none]]
 
[[File:RC_Stepper_23.JPG|400px|none]]
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Now insert the third MOSFET.
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[[File:RC_Stepper_25.JPG|400px|none]]
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Bend the leads like last time and solder the MOSFET in place.
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[[File:RC_Stepper_26.JPG|400px|none]]
   Exception encountered, of type "Error"