About: Ibrar Ayyub

Rolling Codes and Encryption Modern keyless entry system broadcast on a frequency between 300 and 400 MHz (megahertz). But if your keyfob sent out just a single signal, then every fob would open every car of that make and model. To ensure that no one can use his or her fob to open your car […]

ScanaPLUS is a robust, versatile and multi-application 9 Channels logic analyzer. It relies on the free ScanaStudio software to capture and analyze logic signals.   This logic analyzer will capture signals at a steady rate of 100 MSPS (Million Samples Per Seconds), whether you’re using 1 or all 9 channels. No compromises. Thanks to its configurable and fully […]

Microsoft launched Xbox Live to much fanfare in 2002, and the hype seems justified. By 2010, the number of users exceeded 23 million [source: Shaw]. Thanks to the success of newer Xbox 360 consoles plus streaming video services like Netflix and innovative enhancements like Kinect, that number grew to 30 million just one year later […]

The one piece of gear that’s essential for EMC troubleshooting is a spectrum analyzer. You can buy a decent portable for about $10k or used ones go for $1k to $5k if you don’t mind the 30 to 80 pounds of weight or the initial investment. This article reviews several models that cost under $2,000. […]

Getting Started with Guitar Hero Before you start playing Guitar Hero, you must decide whether you want an open mic night or sold-out arena level of intensity. In the latest Guitar Hero release, “Guitar Hero III: Legends of Rock,” you have five game mode options. Each offers different opportunities and environments to allow you to […]

Contributed by Publitek European Editors 4/9/2013 Many security and motion detector systems rely on small, semi-autonomous nodes that are easy and simple to install. This implies the use of a battery-based power source and low-power operation in order to minimize the number of battery changes during the lifetime of the product. Over its lifetime, the […]

Wind-up alarm clocks have been around a long time, but they are still fun to explore. For more information on clocks in general, please see the article entitled How Pendulum Clocks Work. Here is the clock we will be exploring today: Removing the winding knobs and the back of the clock reveals the inside of […]

TI’s latest Power Management devices, design tools and support resources in the new 2013 Power Management Guide   For more detail: TI’s Power Management Guide 2013 edition

The digital camera is one of ­the most remarkable instances of this shift because it is so truly different from its predecessor. Conventional cameras depend entirely on chemical and mechanical processes — you don’t even need electricity to operate them. On the other h­and, all digital cameras have a built-in computer, and all of them […]

Have you ever wanted to send data from a sensor or project wirelessly? This simple circuit allows you to build your own wireless transceiver using two ICs, a transistor, and two resistors. The IC is from Melexis and uses On-Off Keying modulation and can be battery powered. Here is the circuit. For more detail: DIY Wireless […]