About: Ibrar Ayyub

If you go look in your refrigerator or pantry right now, you will find that just about every package you see has a UPC bar code printed on it. In fact, nearly every item that you purchase from a grocery store, department store and mass merchandiser has a UPC bar code on it somewhere. Have […]

The LIS3MDL is an ultra low-power high performance three axis magnetic sensor. The LIS3MDL has user selectable full-scales of ±4/ ±8/ ±12/ ±16 gauss. The self-test capability allows the user to check the functioning of the sensor in the final application. The device may be configured to generate interrupt signals for magnetic field detection.   […]

This device plugs into a USB port and implements a USB HID keyboard. Instead of doing anything useful, it waits between 30 seconds and 8 minutes and sends the scancode for the Caps Lock key. This will toggle the Caps Lock status on or off. Since the operating system controls the LED on the keyboard, […]

The MP3 player is the most recent in an evolution of music formats that have helped consumers enjoy their tunes. Records, 8-track tapes, cassette tapes and CDs — none of these earlier music formats provide the convenience and control that MP3 players deliver. With an MP3 player in hand or pocket, a consumer can create […]

Nuremberg, Germany and San Jose, California, February 26, 2013 – NXP Semiconductors (NASDAQ: NXPI) today announced that it is delivering evaluation samples of the LPC810 and LPC812 microcontrollers via major distributors. The LPC800 series microcontrollers build upon NXP’s strong ARM® Cortex™-M0 portfolio, which currently exceeds 80 different available parts, and are the first products in […]

Project Overview short description: microcontroller with ethernet usability status: beta start: April 2006 platform: Atmel ATmega644 Abstract With this project, we’ll be creating hard- and software for enabling ethernet on an Atmel microcontroller. fd0 first built a prototype of it on lochraster and then made a fully-featured PCB afterwards, which will be sold as a […]

The Art and Science of Recorded Sound To understand what Beats Audio does — or what its maker claims it does — you first have to know a little bit about the science of recording and reproducing sound. Whether you’re a fan of Gotye or Beyoncé, the music you enjoy goes through a complex, at […]

Finally second and improved AVR DDS signal generator is here. First AVR DDS V1.0 generator was only an attempt of running DDS algorithm without any amplitude control. This time I still wanted to keep things simple like minimum count of widely accessible components circuit, single sided PCB that comes together with good functionality. AVR DDS […]

Introduction This application note details a step-by-step design process for the MAX16833 high-voltage high-brightness LED driver to speed up prototyping and increase the chance for first-pass success. The MAX16833 is a peak current-mode-controlled LED driver, capable of driving an LED string in several different architectures: boost, buck-boost, SEPIC, flyback, and high-side buck topologies. The MAX16833 […]

Satellite Radio Systems Satellite radio is an idea over a decade in the making. In 1992, the U.S. Federal Communications Commission (FCC) allocated a spectrum in the “S” band (2.3 GHz) for nationwide broadcasting of satellite-based Digital Audio Radio Service (DARS). Only four companies applied for a license to broadcast over that band. The FCC […]