About: Ibrar Ayyub

Measuring performance of audio components like microphones, speakers, converters, and amplifiers can be a difficult task. In this post, I’ll talk about some of the tools I use to make this job easier. Analyzers, reference transducers, calibrators, meters, and more come with various feature sets and price tags. The items below just happen to be […]

It is possible to reconfigure radiation-hardened Xilinx FPGAs with the reliability required for space applications, writes a team of developers from Germany-based Fraunhofer IIS RF and microwave design department In 2017 the experimental Heinrich Hertz communications satellite (H2Sat) commissioned by the German Federal Ministry of Economics and Technology will be launched into space, to support […]

Lumileds has announced a lime green LED, revealing that it a key component in the ‘Hue’ range of colour tuneable LED replacement light bulbs from Philips (which owns Lumileds. Efficacy is the highest yet from Lumileds – over 200 lm/W at the top end of the highest bin – attributed by the company to lime […]

App note from Microchip on their EL lamp drivers circuits utilizing (Supertex) HV823 and HV825, App note here. This application note presents fourteen EL driver circuits utilizing the Supertex HV823 and HV825 drivers. They have been optimized for a variety of applications and may be used as-is or used as a starting point in designing […]

I have just begun in the world of micro-controllers, and the first micro-controller. I chose to work with was the PIC from Microchip. The PIC I am using is the PIC16F877A. I am using MPLAP IDE and HI-TECH C. I am trying to make an extremely simple program that turns on an LED. This is […]

After years of wondering when flexible displays would finally emerge, they jumped out at opposite ends of the size spectrum from Samsung and LG within a few months of each other. And they were all on show in Las Vegas earlier this month at the Consumer Electronics Show (CES). At the small end were bendable […]

A processor is a collection of logic circuits that is designed to efficiently process data. There are a number of processors – processor designs are created for specialised tasks, these include the Central Processing Units (CPU), Graphics Processing Units (GPU), Physics Processing Units (PPU) or Digital Signal Processors. An array or vector processor solves computational […]

What’s inside the new Pebble Time Smartwatch? Dave does a teardown after taking it through the torture test, and gives it a close up view with the Tagarno microscope. How easy is it to disassemble and replace the battery? How much do the components cost? What is the manufacturing quality like? How does the Bluetooth […]

Objective To establish serial communication between two PIC16F877A microcontrollers Description In this experiment, 8-bit digital input is applied at Port-B to one of the PIC16F877A microcontroller which acts as a master in serial communication. The input value is transmitted by the master serially via Serial Peripheral Interface (SPI) to the second PIC16F877A microcontroller, which acts […]

intro, first steps, tips, links, etc. (C) 2002 .. 2005 Wouter van Ooijen ([email protected]) Last change made at 2005 AUG 18. The latest version of this document can be found at http://www.voti.nl/swp. Unaltered duplication is allowed. Translations require approval of the author, which will most likely be granted if the quality of the translation is […]