At last I repeated experiment from youtube about burning DVD laser. I dissasembled old DVDRW drive. I noticed small crack in laser diode, so I removed the glass. As open laser is very prone to external damage, keep it from water, dust and agresive liquids. I placed laser diode to some colimator from old […]
Maybe you noticed, that new home cinema systems, LCD/Plasma screens, receivers have very small amplifiers. Physically small. But the power output is quite big. And there is no big, heavy heatsinks on these devices. And no big transformers. At a first glance I thought that all this output power is represented in “Chinese wats". But […]
This weblog entry is more interesting for Lithuanian readers. It is about our biggest internet provider and the problems related to DSL connection.
Nice title?
I am using cheapest DSL service at home. It is working only on evenings and weekdays. And speed is very slow- limited to 256kbits. But the cost is very low (check TEO […]
WRT54G or WRT54GL is well known Linksys/Cisco Systems wireless router. It is famous for its third party firmware. But be aware, new model sold in shop are neutered, the ROM and RAM size are reduced. Look for version with “L" index. It is rumours, that original router with new firmware became to good and was […]
In one company I was forced to install several copies of Norton Antivirus 2008. This was retail version of software in nice boxes, and I needed to enter all registration-configuration data in every computer. At a first glance, everything is very simple, just place CD, push few buttons… And I forgot that it IS Norton […]
I am using small Hobby drill (cheap dremmel tool) t make holes in PCB. Recently I broke several high speed steel drills. I decided to explore, why the drills are broken. After some investigation, I discovered that drill is moving a bit to side. The problem is in the drill grip. Sometimes, one element of […]
Just small note about the beauty of laser beam image. Laser beam is coherent light- the waves of the light are synchronized. So all theoretical effects of light can be viewed with naked eye. Here is the image of interference- some light is delayed and when the phase of the wave is opposite, the light […]
This web log entry was written in Lithuanian language before new year. It was just a joke…
My nephew decided to build holographic super computer as his science project. (It a partly true). Here is small glance to the upcoming project- all information about this project is about 15 gigabytes in my hard disk. But later […]
I have already wrote about terminal computer I have. I didn't managed to start Windows CE on it. Maybe there were some problems in configuration or something. After some time I received more terminal computer and they booted Win CE without any problem. The only problem was in the hardware- blow up capacitors in the […]
From time to time I am doing house clear-up. If I didn't this, the house will be full of various electronic stuff. Some of the items maybe sold in eBay or local garage-sale, but some items must be thrown away.
Some stuff appears in the house in very simple way- I need some small part on […]
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