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How can I control the speed of a DC motor?
It is easy to control the speed of a DC motor using PIC18F4550 microcontroller since this microcontroller has a CCP module to generate a PWM signal, and by varying the duty cycle of the PWM signal the power delivered to the motor will also vary which causes the speed to change.
What is the nominal voltage of a DC motor?
The nominal voltage of the DC motor is 12V. The potentiometer used to control the speed of the motor, it is connected to AN0. The microcontroller reads the analog data from AN0 channel and uses the digital value (after conversion) to set the PWM duty cycle.
Which is the PWM frequency of pic18f4550?
PIC18F4550 CCP1 module is used as PWM with a frequency of 500Hz. PIC18F4550 microcontroller internal oscillator is used (8MHz) and MCLR pin function is disabled. The PIC18F4550 microcontroller needs to be supplied with 5V between pins VDD (#11) and VSS (#12).
Two Push Button switches are provided to control the speed of the motor. Here we are using 12V DC Motor and average DC value delivered to motor can be varied by varying the duty ratio of the PWM.
What to look for in your DC motor?
Maintenance of brushes and commutators can help ensure a long lifetime of your DC motors. What to look for when examining your brushes: If any of these conditions are not met, you should replace your brush.
Where can I find DC motor stock photos?
On Off Shutterstock’s safe search will exclude restricted content from your search results dc motor images 3,149 dc motor stock photos, vectors, and illustrations are available royalty-free. See dc motor stock video clips
How to control DC motor using PIC microcontroller?
In this example project DC Motor is interfaced with PIC Microcontroller using L293D Motor Driver. Two Push Button switches are provided to control the speed of the motor. Here we are using 12V DC Motor and average DC value delivered to motor can be varied by varying the duty ratio of the PWM.