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Autonom robotväckarklocka med trådlös basstation - KTH

Autonom robotväckarklocka med trådlös basstation - KTH

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Innehåll<br />

Innehåll ....................................................................................................................................... 2<br />

Inledning ..................................................................................................................................... 3<br />

Teoretisk fördjupning ................................................................................................................. 4<br />

Vad är en stegmotor? .............................................................................................................. 4<br />

Olika varianter ........................................................................................................................ 5<br />

Variabel reluktansmotor ..................................................................................................... 5<br />

Permanentmagnetiserad stegmotor .................................................................................... 5<br />

Hybrid stegmotor ................................................................................................................ 6<br />

Problemdefinition och lösning ................................................................................................... 7<br />

Kravspecifikation ................................................................................................................... 7<br />

Lösning ................................................................................................................................... 7<br />

Stegmotor ........................................................................................................................... 7<br />

Drivkretsen ......................................................................................................................... 8<br />

Tangentbordet ................................................................................................................... 17<br />

Potentiometern ................................................................................................................. 19<br />

Mikrokontrollern .............................................................. Error! Bookmark not defined.<br />

Spänningsregulatorn ......................................................................................................... 20<br />

Mjukvara .......................................................................................................................... 21<br />

Prototypen ........................................................................................................................ 22<br />

Slutsats och Diskussion ............................................................................................................ 24<br />

Referenser ................................................................................................................................. 25<br />

Källor .................................................................................................................................... 25<br />

Bilder .................................................................................................................................... 25<br />

Bilagor ...................................................................................................................................... 27<br />

Komponentlista .................................................................................................................... 27<br />

Kopplingsschema ................................................................................................................. 28<br />

Mikrokontrollern (Bättre bild finns i slutet) .................................................................... 28<br />

Motordrivaren (Bättre bild finns i slutet) ......................................................................... 29<br />

Flödesschema ....................................................................................................................... 30<br />

Huvudprogrammet ........................................................................................................... 30<br />

Interruptrutiner ................................................................................................................. 31<br />

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