Soldering Station

The 8051 microcontroller family has been well-known over many years. The development of new derivatives is not finished yet. From time to time new powerful derivatives are announced. You will find derivatives from Philips, Dallas, Analog Devices and Cygnal and others with the known 8051 core but enhanced clock and peripherals.  For example, complete analog-to-digital and digital-to-analog subsystems were integrated in some chips. Atmel developed the AVR microcontroller family which is well suited for high-level language programming and in-system programming. For all those microcontrollers there is development software ranging from simple assemblers for DOS to integrated development environments for Windows95/98/NT on the market. Apart from programming environments for professional applications, also the more economical and nonetheless sufficiently equipped development environments can maintain ground. BASCOM-8051 and BASCOM-AVR are development environments built around a powerful BASIC compiler which is suited for project handling and program development for the 8051 family and its derivatives as well as for the AVR microcontrollers from Atmel. The programming of microcontrollers using BASCOM-8051 and BASCOM-AVR will be described in this book. Some applications help understand the usage of BASCOM-8051 and BASCOM-AVR.

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Billed as the world's first solar-powered touchscreen handset, the Blue Earth—like the recent Motorola Renew—is built out of recycled water bottles, and even boasts a pedometer that tracks how many trees you've saved by walking rather than driving.
Details on the Blue Earth, which is slated to get its close-up at next week's Mobile World Congress in Barcelona, are still sketchy; Samsung has yet to announce pricing or availability, nor any details on the built-in camera, internal storage, media features, or data capabilities.

What we do have, though, are some images—specifically, the one that shows a big solar panel on the back of the phone (there's also a camera lens sitting just above the panel). Presumably, you can charge the Blue Earth anytime it's sitting face-down in direct sunlight—but how long would it take to get a full charge? Still waiting for those details.
On the front of the Blue Earth, we have a full-on touchscreen, complete with Samsung's new, widget-friendly TouchWiz interface and dedicated Talk and End buttons. Samsung says the handset also comes with Bluetooth, a one-click, energy-efficient "Eco Mode," and an "Eco Walk" app (pictured above) that tracks your footsteps and calculates how much you've reduced your carbon footprint. 

On the front of the Blue Earth, we have a full-on touchscreen, complete with Samsung's new, widget-friendly TouchWiz interface and dedicated Talk and End buttons. Samsung says the handset also comes with Bluetooth, a one-click, energy-efficient "Eco Mode," and an "Eco Walk" app (pictured above) that tracks your footsteps and calculates how much you've reduced your carbon footprint.

Like the Motorola's green "Renew" phone (which I reviewed last week), the Blue Earth's shell is molded out of plastic derived from recycled water bottles, and its "small and light" packaging is made out of recycled paper, according to Samsung (which also notes that both the handset and charger are beryllium-, phthalate-, and brominated flame retardant-free).

That's pretty much all we know for now; until then, we'll just have to feast our eyes on the pictures.

So, what do you think: Like the idea of a solar-powered phone? Thoughts on putting the solar panel on the back of the phone? Fire away.

Source: Yahoo Tech

Download the February 2009 issue of the Servo Magazine.

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Download the February 2009 issue of Elektor. One of my  most favorite electronic magazine. 

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Nuts and Volts, the brother of Servo Magazine is back in February now. Im still searching for its January issue. If anyone has it please share it now. For the time being, download the February 2009 issue of this wonderful magazine.

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Electrical drives in general play a key role in power generation, household appliances, automotive and industrial applications. The rapidly expanding area of adjustable speed drives as used in robotics, wind turbines and hybrid vehicles is driven by innovations in machine design, power semi-conductors, digital signal processors and simulation software. This brings us to the purpose of this book namely to help students and engineers appreciate and understand the fundamental concepts of modern electrical drives. An interactive learning approach is taken in this text: theory and calculations are augmented by generic models which are transposed to a simulation platform. The 'build and play' method used in this text visualizes the dynamic operation of a comprehensive set of modules ranging from an inductance to a novel 'ideal rotating transformer' (IRTF). This module is at the center of the generic models used in this text to explore the dynamic and steady state operation of grid and converter fed induction, synchronous and DC machines. The section on modulation and control emphasizes the role of power electronics and digital signal processors in drives. The CD which accompanies this text has an extensive set of 'build and play' tutorials, in Simulink R° and Caspoc. The latter is a simulation platform which allows direct access to the 'build and play' modules, without further licensing needs. All figures in this text are included on the CD in order to help with the preparation of customized Power Point type lecture material. Fundamentals of Electrical Drives is for readers with a basic engineering knowledge who have a need or desire to comprehend and apply the theory and simulation methods which are applied by drive specialist throughout the world.

Allah The Almighty Says in the Holy Quran that

THOSE WHO REMAIN PATIENT WILL BE AWARDED THE REWARDS OF EVEN THEIR SMALLEST GOOD DEED, SO HEAVY LIKE THEY ARE BEING REWARDED FOR THEIR BIGGEST GOOD DEED.

This is not the exact translation but an explaination. So one should try to be patient as much as possible in his/her walks of life.