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  1. Controlling motor speed with a potentiometer - Physics Forums

    Jun 27, 2011 · Controlling the speed of a DC motor using a potentiometer can be challenging, as various resistance values lead to stalling issues. The motor's performance varies significantly …

  2. Can i adjust a 12V DC motor's RPM with a Dimmer? - Physics Forums

    Jun 29, 2009 · A 12V DC motor's RPM can be adjusted using pulse-width modulation (PWM) rather than a standard dimmer switch, which is ineffective for motor control. To reverse the …

  3. Dayton AC Motor Speed Control: Risks & Solutions - Physics Forums

    Jul 11, 2006 · Using a stereo amplifier for speed control is complex and requires generating two phase-quadrature sine waves, which may not be practical. A DC motor is recommended for …

  4. Controlling Motor Speed with PWM: Advantages and Alternatives …

    Apr 5, 2006 · Using Pulse Width Modulation (PWM) for motor speed control offers several advantages, including precise control over frequency and duty cycle, which enhances …

  5. High Current 12V DC motor speed control - Physics Forums

    Aug 26, 2019 · To control the speed of a 12V DC motor for a seawater cooling pump, a hysteresis controller can be used to switch the motor on and off based on preset coolant temperatures, …

  6. Cheapest Way To Reverse/Vary Speed of DC Motor - Physics Forums

    Feb 17, 2014 · The discussion centers on finding a cost-effective method to reverse and vary the speed of a small DC motor for a senior design project. Key suggestions include using a 555 …

  7. Can any DC 12v or 24v motor be put on a speed control?

    Feb 25, 2009 · Reducing the speed of a 24V DC bilge blower can be achieved using a speed controller, particularly through pulse width modulation (PWM) setups. It's important to choose …

  8. Choosing the correct potentiometer - Physics Forums

    Feb 19, 2010 · To slow down a 1.3 hp DC motor powered by a 12V battery for a hoist application, using a potentiometer is not advisable as it reduces both speed and torque. Instead, pulse …

  9. How Do I Choose the Right Potentiometer for a Car Heater Blower …

    Jun 28, 2016 · Selecting the right potentiometer for a car heater blower motor involves understanding the motor's voltage and current specifications, which are 12 volts and a …

  10. Understanding the Relationship Between Voltage, Frequency, and …

    Jul 26, 2013 · The discussion focuses on the relationship between voltage, frequency, current, and torque in variable frequency drives (VFDs) used for motor control. It emphasizes that …