IFD:GrundlagenElektronik2011/9.Termin

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Amplify a signal to control a Motor

Poti Transistor Motor 5V.png

Stepper motor control with ULN2003 AN

Darlington Array ULN2003 and 6-Wire-Stepper.png


Advanced: Bipolar stepper with H-Bridge

Use the L293 (quadruple half bridge - or also useable as H-Bridge) to control the 6-Wire stepper you already got or use a 4-wire stepper if you want.

example: http://www.cuteminds.com/index.php/en/l293d

be careful to not short the bridges. Use LEDs instead the H-Bridge to verify your code, then connect the H-Bridge.