Low-Voltage I/O Voltages Used for Entertainment Control article tells results of the survey what low voltage I/O voltages are used in entertainment control industry. There are several different possible I/O voltages in use, in both AC and DC variations. According to the survey it seems that 12V and 24V DC are the most commonly used →
It is time for scary hacks. Halloween is just around the corner. Hare are some hacking ideas for Halloween. Arduino voice changer turns you into [Vader] article tells that Phil Burgess over at Adafruit put together an Arduino-powered voice changer to give his voice the gravitas of [James Earl Jones] or the lightheartedness of a →
Protecting your data center against power failure is crucial to providing maximum availability. Power loss or poor power quality is a major contributor to data center server down time. This task takes more than simply having UPS and a backup power source, such as a generator. Dual Power Paths: A Crucial Element in a High-Availability →
It seems that smart phone business have evolved to point where even relatively small companies can start to make their own phones. This developments like: many people who know mobile phones are looking for new jobs (business of many mobile phone companies not going that well) architectural changes (application processor communicating with separate ready communication →
The microprocessor world seems to be going in ARM direction. And so seems to be microcontrollers. Cheap ARM based 32-bit micro-controllers are taking their place and trying to replace less powerful 8- and 16-bit micro-controllers. I wrote earlier that Arduino Goes ARM. It took quite bit of time for Arduino to take that step and →
How to remove and re-attach LCD Ribbon from a PCB with a Fine Pitch article describes one method how to repair broken LCD ribbon cable connection. According the article the repair of LCD ribbon is a hard and delicate process, but can be rewarding if it goes well. If you have a device with LCD →
Google has 13 data centers around the world (7 in the Americas, 3 in Asia and 3 in Europe) running 24 hours a day, 7 days a week, it’s fascinating to see how the world’s biggest Internet company is powered. I have earlier posted some limited details of Google data centers in Google Efficient Data →
When Prosessori magazine ended last year I started writing articles to Tietokone magazine (press info). Actually I had earlier written some articles and news to web site. Now I write to Tietokone magazine more often. The magazine has published several articles already this year. Promo box →
Nokia Lumia 800 smart phone has display got broken. What to do? A real goldmine for anyone attempting to star repairing a cell phone nowadays are disassembly/assembly videos on Youtube. So I got there and looked for Lumia 800 related videos to see if anything could be done for this. Nokia Lumia 800 Teardown – →
The author of CNET’s The Audiophiliac blog recently asked, “Who wants perfectly accurate sound?” His answer? Most headphone and speaker buyers prefer less accurate sound reproduction. Consumer audio: Is accurate sound overrated? blog posting says this may be the case (although he doesn’t supply any real evidence to support this assertion). If so, so be →