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Unipolar Stepper Motor Driver
Full Documentation in Acrobat Form
(K179)
In free-standing mode an internal square-wave oscillator
based on IC2:B of the 4093 supplies timing pulses to the
OSC output. The frequency of these pulses and thus the
speed of the stepper motor is controlled by the trimpot
VR1 (100K.) A series 1K resistor controls the maximum
frequency. You may increase the value of this resistor for
your own needs. These pulses are fed into the STEP input
which is buffered and inverted by IC2:D. This helps
prevent false triggering. Similarly, IC2:C buffers and
inverts the DIRection input. A SPDT taking the input to
+5VDC or ground controls the direction of rotation.
(CPS179)
Quantity
Price
1 – 9
$18.24
10 – 99
$17.28
100 +
$15.84
Skill Level of Item:
(Kit - Basic Soldering Required)
Product #
CPS179
Quantity Available:
17
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