555 Stepper Pulse Generator

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  • 13

    SQUARE WAVE GENERATOR FOR STEPPER MOTOR

    1

    2

    CN1

    PULSE OUT

    +

    C3

    2.2uF/16V

    PR1

    100K

    C2

    0.1uF

    R1

    2.2K

    J1

    JUMPER

    R2

    5.6K

    C1

    0.22uF

    C5

    0.1uF

    1

    2

    CN2

    5V-12V DCR3

    470K

    D1

    LED

    +

    C4

    10uF/16V

    VCC VCCVCC +V

    GND

    GND

    3

    481

    5

    2

    6

    7

    U1

    LM555

    JUMPER FREQ RANGE SET

    CN1 SQUARE WAVE OUT

    CN2 SUPPLY IN

    PR1 FREQUENCY ADJ.

    PULSE GENERATOR FOR STEPPER MOTOR