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STEPPER MOTOR: UNIPOLAR/BIPOLAR 57×56MM POLOLU - Motor: pas cu pas | 7,4VDC; Ax: crestătură D; max.882,6mNm; 1A; POLOLU-1472 | TME - Componente electronice
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Unipolar stepper motor working principle and practical with Arduino UNO and ULN2003 (part 1) - YouTube
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