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ST EPPER MOTOR CONTRO L USIN G 89C51 MICROCONTRO LLER


Posted by: seminar class
Created at: Thursday 17th of February 2011 04:44:40 AM
Last Edited Or Replied at :Thursday 17th of February 2011 04:44:40 AM
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e should use apiezoelectric crystal with a frequency inthis range. The speed of the stepper motoris proportional to the frequency of the inputpulses or it is inversely proportional tothe time delay between pulses, which canbe achieved through software by makinguse of instruction execution time.The time taken by any instruction toget executed can be computed as follows:where ‘C’ is the number of cycles an instructiontakes to execute and ‘F’ is thecrystal frequency.The crystal frequency in this circuitis 11.059 MHz, so the time taken toexecute, say, ADD A, R1 (single-cycleinstruction), i..................[:=> Show Contents <=:]



Speed control of stepper motor using AT89c51


Posted by: Tony Akpaka
Created at: Monday 07th of June 2010 03:31:33 PM
Last Edited Or Replied at :Tuesday 08th of June 2010 01:46:57 PM
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Pl..................[:=> Show Contents <=:]



PC based wireless stepper motor speed controlling system


Posted by: swapnilks
Created at: Sunday 13th of February 2011 08:10:02 AM
Last Edited Or Replied at :Wednesday 29th of February 2012 05:18:42 AM
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PC based wireless stepper motor speed ..................[:=> Show Contents <=:]



MICRO CONTROLLER BASED STEPPER MOTOR SPEED CONTROL


Posted by: project topics
Created at: Monday 13th of December 2010 04:02:34 AM
Last Edited Or Replied at :Monday 13th of December 2010 04:02:34 AM
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given in to the stepper motor coils. In this section the diodes are used to block the reverse supply from the Stepper Motor Coil. It will Act as a freewheeling Diode. Power resister is used to protect the motor for over current. That is current limiting resistor...................[:=> Show Contents <=:]



electronics project idea


Posted by: project topics
Created at: Wednesday 29th of December 2010 06:26:46 AM
Last Edited Or Replied at :Wednesday 05th of October 2011 03:14:25 PM
mobile electronic workbench , votters identification system using labview, pic microcontroller based colour sensor , audio amplifer for personnel stereo, project of microcontroller based automatic school bell , rf based aqua robot project, rf based aqua robot circuit diagram , high resistance voltmeter microcontroller, aquabot stepper control board , electronic dice using at89c2051, radio frequency rf based wireless control of dc stepper motor speed control , project for electronics and instrumentation remote control candle, magnetic proximity switch ,
oster
50. IC Controlled Emergency Light With Charger
51. Staircase Light With Auto Switch-Off
52. I2cprotocol Based Real Time Clock Control Application
53. GSM Based Mobile Security system
54. Telephone Call Recorder
55. Universal Mobile Automatic System (UMAS)
56. Low-Cost Transistorised Intercom
57. Aqua robot based on Advanced PIC microcontrollers
58. Wireless data communication using RF.
59. full-duplex operation
60. Computer Controlled Fluid Level Controller for Chemical Plants
61. Micro Controller Based Energy saver and auto switching using IR sensors
62. Simple Function..................[:=> Show Contents <=:]



Speed control of stepper motor using microcontroller 8051


Posted by: seminar surveyer
Created at: Wednesday 27th of October 2010 02:21:17 AM
Last Edited Or Replied at :Sunday 17th of April 2011 12:42:42 PM
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motors with a reduced pole count, and generally are closed-loop commutated.)

Fundamentals of operation


Stepper motors operate differently from DC brush motors, which rotate when voltage is applied to their terminals. Stepper motors, on the other hand, effectively have multiple toothed electromagnets arranged around a central gear-shaped piece of iron. The electromagnets are energized by an external control circuit, such as a microcontroller. To make the motor shaft turn, first one electromagnet is given power, which makes the gear's teeth magnetically attracted to the electr..................[:=> Show Contents <=:]



Speed control of stepper motor using AT89c51


Posted by: Tony Akpaka
Created at: Monday 07th of June 2010 03:31:33 PM
Last Edited Or Replied at :Tuesday 08th of June 2010 01:46:57 PM
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..................[:=> Show Contents <=:]



pc based project topics


Posted by: computer science technology
Created at: Wednesday 27th of January 2010 12:14:13 PM
Last Edited Or Replied at :Tuesday 14th of December 2010 12:50:56 AM
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Technique).
aa) PC Based Speed control of DC motor using PWM Technique
bb) STREET LIGHT CONTROL THROUGH COMPUTER TRAFFIC LIGHT CONTROLLER USING PC.
cc) DC MOTOR SPEED CONTROL WITH PROGRAMMABLE SEQUENCE
dd) HOME AUTOMATION (AC/DC) USING PC INTERFACE.
ee) Remote Controlling Of Pc Using Ur Own Remote
ff) Transformer Protection from Over load and Monitoring of load current in PC
gg) ROBOTIC ARM MANIPULATOR USING PC.
hh) RS 232 COMPUTER INTER FACED CHATTING WITH FILE TRANSMISSION SECURITY SYSTEM BASED ON PC
ii) SOLAR PANEL TRACKING SYSTEM INTER FACING
jj) PC STEPPER MOTOR CONTROL V..................[:=> Show Contents <=:]



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