Electronics For You May 2012 Issue Vol. 44 No. 5 Circuit Ideas Multicolour Curtain Backlights This circuit comprises two parts: a string of 5mm high-intensity white LEDs connected in series and the circuit wired around. IC CD4060 with an inbuilt oscillator. Click Here To View Video
Buyers’ Guide Compact Digital Cameras Face detection, low-light shooting mode, red-eye reduction and panorama view mode— these are just a few of the many features that today’s ergonomically designed compact digital cameras pack in at affordable prices	EFY Report Power Inverters and UPS Industry Changing Dynamics Inverters and UPS are here to stay as long as there are power cuts. Manufacturers keep coming up with innovative ideas such as smaller inverters and solar inverters to expand their market

Construction Port Interfacing In Java Through Microcontroller A serial port interfacing circuit built around AT89C51 microcontroller is presented here for testing and understanding a serial port emulator. It can be used to control a USB port also by using a serial to USB converter. Download source code	Construction GSM-Based Borewell Water-Level Monitor If the water level in a borewell drops below the threshold level for pumping, its pump motor may get air-locked or even burn out due to dry running. It is inconvenient for farmers to walk all the way to their fields at night just to switch the pump motor ‘off.’ Besides, he may never get to know the problem. Download source code

Circuit Ideas Guitar and Microphone Amplifier Using TDA2005M This simple audio power amplifier works with guitars and microphones, delivering an output power of around 20W over a load of 4 ohms.	Internet IPv6: The New Address Until IPv6 completely supplants IPv4, a number of transition mechanisms are needed to enable IPv6-only hosts to reach IPv4 services and to allow isolated IPv6 hosts and networks to each the IPv6 Internet over the IPv4 infrastructure

Security Video Analytics Technology: Turning CCTV Cameras Into Proactive Tools Video analytics or intelligent video surveillance technology uses software to automatically identify specific objects, behaviour or attitudes in video footage. It is basically used for intrusion detection	First look! . Android Tablet Below Rs 6000 . Mobile Keyboard . Mirrorless Camera . Android Media Player . Multifunction Printer . Digital Camcorder At Rs 5000 . Palm-Sized Projector . Touch Mouse . GizMo ByTes

Technology Focus How Technology Paints Buildings Green Most green buildings today work with independently controlled and managed lighting, HVAC and other loads. Some very advanced buildings provide loose integration at the data visualisation or dashboard level. This allows continuous monitoring of the different loads and corrective actions as and when desired	Technology Focus Green Buildings Converge Intelligence With Nature Old buildings can be turned into environmentally sustainable structures. New buildings can be designed for sustainability. Read on to find out how dwellings and offices can be made green, kept green

Buyers’ Guide Ultrabooks: Ready To Take On Tablets Ultrabooks are under-powered notebooks that rival tablets in terms of portability. Take a look at the different models available and select the one that works for you	Security What’s New In Surveillance and Security One of the big trends in electronic surveillance is the convergence of two historically distinct security functions—physical security and information security within enterprises. Integrated security systems allow facility managers to efficiently and intelligently handle any event or incident, addressing the risks of safety, security and operations at the same time and place

Embedded How SoMs Take The Effort Out of Designing The system-on-module (SoM) approach allows the fastest time to market. Utilising off-the-shelf standard components like a baseboard and SoM, designers are able to start developing applications even before the custom baseboard is complete	Career Where Do Open Source Engineers Fit in the Electronics Industry The role of Open Source in the electronics industry is broadening, paving a career path for enthusiasts. Read about the opportunities that exist for Open Source electronics engineers today and the skills that the industry looks for in potential candidates

Innovation Suraksha: Mobile Alarm for LPG Leakage RoboticWares has developed an olfactory sensor-based LPG detection system that sends SMS alerts to site owners if there is gas leakage when they are away	Interview We recruit freshers as they help us build products for Generation Next Vandana Sharma of EFY Bureau caught up with Surinder Bhagat, country manager-human resources (HR), Freescale Semiconductor, India, to know more about the HR practices that help Freescale to select the right talent from college campuses and make them productive in no time

Interview Economy is a bigger challenge than technology now Ashok Chandak, senior director (global sales and marketing), and Dr Sankara Narayan, vice president and country manager, NXP Semiconductor, India, speak with Jalaja Ramanunni and Dilin Anand of EFY about the road ahead for semiconductor companies and future trends in the domain	Circuit Ideas Analogue Wattmeter Unlike current or voltage measurement, the measurement of power is somewhat inconvenient as power is the product of voltage (V) and current (I) flowing through a dissipative circuit. Click Here To View Video

Circuit Ideas Clap-Based Digital Volume Control This clap-based digital volume control offers four levels of volume control. With each clap, the volume of the audio system increases. After the fourth clap, the level of volume returns to the first or minimum level.	Circuit Ideas Sensor-Based Door Lock The door lock controller given here is a simple electronic switching circuit realised using a low-cost unipolar Hall effect sensor IC MH183. Click Here To View Video

Software Section Antenna Analysis and Design in MATLAB Today, almost all applications are expected to be wireless, consume very little power and have high data retention capability. For this, selection of an effective media at the physical layer is important. Download source code	Manufacture Your Guide To Soldering Attaining ‘zero defect’ production requires a thorough knowledge of soldering technology. Here is a lowdown on the different kinds of techniques, material and equipment used in soldering

Sensors RFID Technology for Building Access Control Access control is a common application of RFID technology. Passive RFID tags are an ideal candidate for this application as these have a very short read range of 10-20 cm only
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April 2013

Issue Vol. 45 No. 4