Control 3A Universal Power Supply

This universal power supply is universal in the true sense. With a output continually variable from 1.25 volts to 25 volts, this power supply is left with hardly any needs that it can't fulfill.The power supply is short circuit protected and  has in-built thermal overload protection.As shown in figure, the power supply uses an LM350...

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Control DC motor control a AVR ATmega8

DC motor control using the PWM counters of AVR ATmega8 microcontroller. I had used a DC motor from an old personal stereo cassette player. The circuit provides speed and direction control of the motor. The PWM waveforms are used for driving the MOSFET H-bridge as shown in the schematic:At a time only one of the two PWM channel is active,...

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Control Iran Introduces Walking Humanoid Soorena Robot

Iranian President Mahmoud Ahmadinejad unveiled a new Asimo-likerobot, which they intend to use in “sensitive jobs,” according togovernment newspapers. The report did not elaborate what the robot cando apart from dragging its feet across the floor.Soorena-2, which was named after an ancient Persian warrior,measures 1.45 meters (4 feet 9 inches)...

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Control BlackBerry VM-605 Specification

The BlackBerry VM-605 features a loud speaker for clear calls. Built-in FM transmission allows drivers to make use of their vehicle’s stereo for calls and music. The most interesting features in the VM-605 is that it was designed to work with GPS applications like TeleNav that announce your directions over the speakerphone. BlackBerry has included a button lock function. Holding the FM, Volume Up, and Front Panel buttons for four...

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Control RAM and ROM memories in Micoprosesor

Computer memory devices come in two basic types,RAM and ROM. these words are not as helpful as they could be.RAM standers for 'random access memory, a term which can in fact be applied to both types.ROM is 'read only memory'  which means that the computer system can obtain information stored in the memory('read' it) but can't store anything new in it('write' to it').RAM stores can boat be read from and written to,but both...

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