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Motor Control Circuits   Page 1b
Motor Controls:  #-C       D-L       M-P       Q-Z
Last Updated on: Friday, October 16, 2009 03:42 AM
 


Circuits Designed by Dave Johnson, P.E. :
  • 555 Timer Forms Simple PWM Motor Controller
    Using a CMOS version of the 555 timer, this circuit can be used to control the speed of a motor by adjusting the duty cycle of the pulses sent to the motor.  (added 7/06)

Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:
 

AN-702: Using the ADT7461 as a Multichannel Temperature Sensor:  AN-702 - Analog Devices Application Note   (added 2/06)

 

AN-714: Using COP800 Devices to Control DC Stepper Motors:  National Semiconductor - Application Note   (added 2/06)

AN718: Brush-Dc Servomotor Implementation using PIC17C756a:  Microchip Application Note - Published 12-Oct-99   (Circuit / schematic design added 6/06)

AN764: Implementing Temperature-Based Variable Fan Speed Control in NLX Power Supplies:  Microchip Application Note - Published 4-Feb-03   (added 2/06)

AN767: Interfacing Microchip’s Fan Speed Controllers to a SPI™:  Microchip Application Note - Published 12-Nov-02   (added 2/06)

AN-702:   Using the ADT7461 as a Multichannel Temperature Sensor:  AN-702 Analog Devices Application Note   (app note added 2/06)

AN-714:   Using COP800 Devices to Control DC Stepper Motors:  National Semiconductor Application Note   (app note added 2/06)

AN770:   Linear Voltage Fan Speed Control using Microchip's TC64x Family (TC642, TC646, TC648):  Microchip Application Note Published 27-Jul-04   (app note added 2/06)

AN771:   Suppressing Acoustic Noise in PWM Fan Speed Control Systems:  Microchip Application Note Published 27-Jul-04   (app note added 2/06)

AN-772:   A Design and Manufacturing Guide for the Lead Frame Chip Scale Package:  AN-772 Analog Devices Application Note   (app note added 2/06)

AN-828:   Increasing the High Speed Torque of Bipolar Stepper Motors:  National Semiconductor Application Note   (app note added 2/06)

App Note 24 - Brush Type DC Motor Drive:  Apex Microtechnology Corp App Note (added 6/06)

Assorted relay control circuits:  (diagram added 2/07)

AT89C2051/4051Stepper Motor Interface:  (electronic schematic / circuit added 4/02)

Automatic Speed Controller for fans and Coolers:  During summer nights,  temperature is initially quite high. As time passes,  temperature starts dropping. Also, after a person falls asleep,  metabolic rate of one’s body decreases. Thus, initially  fan/cooler needs to be run at full speed. As time passes, one has to get up again and again to adjust  speed of  fan or .…  (added 10/05)

Autonomous Fan Control for Processor Systems using the LM85:  National Semiconductor Application Note   (app note added 2/06)

Avoiding Passive-Component Pitfalls:  AN-348 Analog Devices Application Note   (app note added 2/06)

AVR microController makes improved motor Controller:  10/17/02 EDN Design Ideas  /  (added 1/05)  The circuit in Figure 1 provides a novel method of reading  pulse train using an Atmel (www.atmel.com) AVR processor, from a typical radio-controlled receiver, and to determine  velocity of a motor. To capture  pulse train from a typical receiver, you need an external interrupt that triggers based on a rising and a falling edge....


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