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Stepper Motor Chopping Driver

Stepper Motor Chopping Driver Thursday, October 1st, 2009  »  Posted By  »  Total 3 Comments

Chopper drive circuits Chopper drive circuits are also referred to as constant current drives because they generate a somewhat constant current in each winding rather than applying a constant voltage. On each new step, a very high voltage is applied to the winding initially. This causes the current in the winding to rise quickly since [...]

Robotic car using 8951 Microcontroller

Robotic car using 8951 Microcontroller Wednesday, November 19th, 2008  »  Posted By  »  Total 446 Comments

Robotic Car is a miniature prototype car powered by batteries whose various movements can be control either manually or automatically, or the combination of both.

Stepper motor control board

1 Monday, November 17th, 2008  »  Posted By  »  Total 31 Comments

This project is actually an educational kit. One can study the full operation of unipolar type stepper motor using this board. As it is micro controller based it can be programmable also and one can learn micro controller interfacing with LEDs, key board and stepper motor. Thus single board serves the purpose of learning stepper [...]

Automatic Railway Gate Control & Track Switching

Automated multistoried car parking system Thursday, November 6th, 2008  »  Posted By  »  Total 665 Comments

Present project is designed using 8051 microcontroller to avoid railway accidents happening at unattended railway gates, if implemented in spirit. This project utilizes two powerful IR transmitters and two receivers; one pair of transmitter and receiver is fixed at up side (from where the train comes) at a level higher than a human being in [...]

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