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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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a current of 1.7 mA. Todrive the coil of a stepper motor requiringa torque of 7 kg-cm, 12V DC and 2amp/phase, we have to use a driver circuitthat amplifies the current from 1.7 mA to3 amp.As mentioned earlier, we have usedBC548 and SL100 as the driver transistorsfor driving a low-power rated steppermotor such as the one used in earlier14cm (5.5-inch) floppy drives. But for a7 kg-cm stepper motor, a driver circuit usingtransistors SL100 and 2N3055 wouldbe needed to amplify the current to 2.72amp. Typically, SL100 and 2N3055 each has a gain (hfe) of 40, but 2N3055 canhandle larger current since..................[:=> 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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Please can anyone assist me with the write up of speed..................[:=> 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 moto..................[:=> 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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r is based on the sequence of pulses to the motor. Direction can be change by changing the pulse sequence inversely. Here in this project pulse is getting from PIC Microcontroller. It’s a Programmable Peripheral Interface controller. Here keypad, Stepper motor Driver both are interfaced with the PIC Microcontroller. Keypad is used to vary the speed and to change the direction Of the stepper motor.

Controller output is given in to the stepper Motor Driver circuit. In this block the input signal is given in to the power transistor for getting more power. This amplified supply is given in to..................[:=> 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 ,
-Band Graphic Equaliser
104. Voice Guided Wireless Robot
105. FET 4 Input Mixer (+/-9v)
106. Colour Sensor
107. Stereo Tape Head Preamplifier For PC Sound Card
108. Automatic Control of Unnamed rail Gate
109. Microcontroller based maximum demand controller for industry
110. Transistorised Logic Probe for TTL
111. Crack Detector Robot
112. Pc based robot control
113. Flasher For Deepawali
114. Microcontroller Based Line Speed Meter
115. MICRO CONTROLLER BASED ULTRASONIC MOVEMENT DETECTOR
116. Multi-Switch Doorbell With Indicators
117. Crystal-Controlled Time-Base Generato..................[:=> 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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r to switched reluctance motors (which are very large stepping 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, w..................[:=> 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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Please can anyone assist me with the write up of..................[:=> 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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NG PC.
e) Development Of Pc Based PWM For Dc Motor EWEED Control
f) DISPLAY The Data On LCD Using Pc (Rs-232 Protocol).
g) Electrical Equipments Controlling Using Pc
h) Home Automation Through PC.
i) PC based device control
j) Pc Based Temperature Monitoring And Control
k) PC Based Voltage Monitoring.
l) PC BASED ROBOT CONTROLLING.
m) PC BASED SMART HOME
n) PC BASED TEMPERATURE MONITORING AND CONTROL
o) RF BASED COMMUNICATION SYSTEM BETWEEN KEYPAD AND PC.
p) ATTENDANCE SYSTEM FOR INDUSTRIES
q) COMPUTER BASED PATH FINDER
r) COMPUTER CONTROLLED LIGHT DIMMER
s) COMPUTER CONTR..................[:=> Show Contents <=:]



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