About: Ibrar Ayyub

Easy Input is a head-controlled keyboard and mouse input device for paralyzed users. The system is built based on AVR ATMega32. It uses user’s head movement to control mouse movement on the monitor and user’s eye blinking to activate mouse click. Two main sensor used for this project are Freescale MMA6560Q accelerometers to detect head […]

Description This is a Dot Matrix Scrolling Sign. A Dot Matrix Display has an 5×7 led matrix with 5 columns and 7 rows. The display is controlled by the AVR microcontroller. The rows are controlled by PORTB of the microcontroller, while PORTD puts the data on the columns to make the characters. The Dot matrix […]

An automatic fire  alarm system is designed to detect  the unwanted presence  of  fire  by monitoring  environmental  changes  associated  with combustion.  In  general,  a  fire alarm  system  is  classified  as  either automatically  actuated,  manually  actuated,  or both. Automatic  fire  alarm systems  are  intended  to  notify  the  building  occupants  to  evacuate  in  the event  of  a  […]

How to program a 93C66 EEPROM chip with an AVR microcontroller? The 93C66 is a serially (MICROWIRE) Electrically Erasable Programmable ROM (EEPROM) chip with 4 kbit (4096 bit, can be ORGanized as 256 x 16bit or 512 x 8bit) memory space. Here a DIL version (which I will use in my moving message sign project) […]

Part list:1x AT90S1200-12PI 1x DS1669 (Dallas) 1x 78L05 2x 1N4007 1x 4MHz X-tal 2x 27pf 1x 22pF 1x 47uF/16V 1x 100n polycarbonate 3x 100n multilayer 1x 100 ohm 1x 10k ohm 1x 820 ohm 1x 100k trimpot 1x 10k lin. potmete DS1669 Digital Control: With this circuit you’re able to control a Dallas DS1669 digipot […]

Part list: 1x AT90S1200 1x DS1802 (Dallas) 1x 78L05 1x 8MHz ceramic resonator 1x 22pF 1x 47uF/16V 1x 47n polycarbonate 4x 100n multilayer 1x 100 ohm 1x 10k ohm 1x 820 ohm 1x 100k trimpot 1x 10k lin. potmeter Digital Controlled Potmeter: (also known as XDCP ‘s or Digipots) With this circuit you’re able to […]

Santa Barbara, Calif. (PRWEB) February 3, 2011 AppFolio, Inc., providers of web-based property management software for residential property managers, now includes the option to embed a YouTube video into vacancy listings that are automatically posted from AppFolio to Craigslist, the property management company website and hundreds of sites on the Internet.   Video is a […]

Montreal, Quebec (PRWEB) August 22, 2004 The thiNcoder EZI 2.0 rotor switch can give you the look and feel of a mechanical rotor with the benefit of being on an electronic flex circuit. This flat panel electronic rotor switch can be integrated right into your membrane/flex circuit switch panel or can be utilized as a […]

(PRWEB) August 27, 2004 This autumn will bring ‘Hawk winds’ over New Jersey.   The winds come in the form of several bands and a light show; all of which are related to ‘Hawkwind’, the British ‘spacerock’ band, which is still going strong under the leadership of it’s ‘captain’, Dave Brock. Hawkwind formed in 1969. […]

Pompano Beach, FL (PRWEB) August 30, 2004 Frank Crivello, Managing Member, Crivello Group, LLC (“CG”) announced that its principals funded a convertible debt offering of Ventures National, Inc. dba Titan General Holdings, Inc. (“Titan”). Titan’s Company information can be found at http://www.titanems.com and its symbol is OTC:TTGH.   CG Managing Member Frank P. Crivello stated: […]