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Figure 3. SLEEP SELECT (nSLP) Jumper
2.4 Speed Adjust Potentiometer (R2 and R10)
The speed adjust potentiometers are found in Figure 4. Turning the wheel clockwise will slow down the
input PWM duty cycle to the DRV8839 and the motor turns slower. Turn the wheel counter-clockwise and
the motor will spin faster. R10 controls the motor connected across O2 and GND. R2 controls the motor
connected across O1 and GND.
Figure 4. Speed Adjust Potentiometer (R2 and R10)
4
DRV8839 Evaluation Module SLVU879–February 2013
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