Author Archives: andy

LED bulbs suck

Posted on 2012/04/26 by andy

I have a plenty of compact fluorescent light (CFL) at home. While energy saving is quite obvious, the time to warm up is drawback; using CFL in place of frequent toggling is not a good idea. On the other hand … Continue reading →

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Rainbow glowing ping-pong

Posted on 2012/04/10 by andy

While I was finalizing e-snowflake project, I imagined that single RGB 5050 LED would create nice rainbow effect if placed inside a ball like ping-pong. You can find plenty of such projects on the net, this one was heading to … Continue reading →

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Ankara downhill

Posted on 2012/04/06 by andy

First impression of Ankara is like this: mix of Zurich, Prague and New York. Located in pass of high mountains surrounding the city, has most of its streets going up and down as you were in any Alpine city. Looking … Continue reading →

Posted in Places, Skating | Leave a comment

Abu Dhabi on wheels

Posted on 2012/03/31 by andy

Another pinpoint on the map of Arabic world. Neither as much fun and tourist oriented as Dubai, nor as fundamental as Riyadh, yet something else to discover. One of newest mosques, world fastest roller-coaster or beautiful Corniche coastline, just to … Continue reading →

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City of sand dunes

Posted on 2012/03/27 by andy

Saudi Arabia is not popular target for tourism, especially Riyadh located just in the middle of dusty landscape of sand dunes. I got two flavors of my stay there: I could observe most orthodox enforcement of Islamic law and try … Continue reading →

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New York

Posted on 2012/03/10 by andy

New York City. My first time in this iconic city, one of most European cities in the US. Staying in the middle of Manhattan for one week in January I had only a chance to touch the tip of an … Continue reading →

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e-snowflake

Posted on 2012/02/07 by andy

Late in December 2011 I almost bet that I am able to design & build myself a blinking serpent of rainbow lights for Christmas tree. I did not want to spend much time on creating cables and lights themselves but … Continue reading →

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SSH and FTP custom ports firewall redirection in OpenWRT

Posted on 2012/01/24 by andy

Inspecting router log files I discovered occasional but massive login attempts. This is typical observation when SSH port visible from WAN is left on default port 22. Mine was set to custom and configured with firewall port redirection. At least … Continue reading →

Posted in OpenWRT | Tagged , , , , , , | 5 Comments

USB power supply mod and 3G for TL-WR1043ND

Posted on 2011/12/26 by andy

Using multiple power-consuming devices in USB hub modded router will exceed limited power of built-in 5V rail of TL-WR1043ND router. In my case connecting both 3G modem and external HDD to led to power drops and root filesystem disconnections. Keeping … Continue reading →

Posted in Electronics, OpenWRT | 3 Comments

Misery loves company

Posted on 2011/12/20 by andy

London would be another short distance deployment place where I have been couple times already. Last week however stochastic processes of nature were not working for me. I faced unusual series of funny accidents that made my work week much … Continue reading →

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