OpenPLC, for industrial automation to Halloween displays article factories have programmable logic controllers to take care of their automation tasks and they are also good devices to control your Halloween effects. open-plc project is an open hardware design to build your own programmable logic controller. Included in the OpenPLC are four 24V inputs, four 24V →
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 – →