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Got the fin movement fixed
08/16/2014 at 22:30 • 0 commentsToday I decided to fix the issue of opposite servo pairs actuating in opposite directions which would result in a uncontrolled spin and subsequent destruction of airframe. It only took a few modifications totaling in 10 additional lines of code. This site was extremely helpful in explaining the servo drive code for opposite servo pairs.
Null1.write(valNull);
Obfuscated = valNull;
Null2.write(180-valNull);
Obfuscated = valNull;What this does is take the opposite servo and drive it 180 degrees in the opposite direction of the reference servo.
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Fin work
08/12/2014 at 18:20 • 0 commentsFinally have started on the fins that the servos will be controlling. I'm using Autodesk Inventor 2015 Pro thanks to TechShop. These will be 3D printed and fitted to the servos as soon as they are ready
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3D Printing parts!
07/30/2014 at 17:28 • 0 commentsHave started work on 3D printing the prototype fin can, finally ditching the cardboard. The black part's notches for the servos are too small, reprinting at the moment
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Demo fin can completed
07/30/2014 at 17:12 • 0 commentsFinished work on demo fin can, its made of cardboard and hot glue; we're working with real aerospace MILSPEC stuff here!
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Proof of concept completed
07/21/2014 at 23:49 • 0 commentsGot the i2c and serial protocol working and reading the sensor's output then turning that into servo movement.