Category Archives: Anything

Unsorted stuff. Regular blog posts.

GPS

I bought a new toy – GPS receiver (WBT300). It’s very simple  with USB and Bluetooth ports. I do not need it at all, but it’s very curious to play. Some Chinese software is provided with this device. It shows already … Continue reading

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Dread

Here I introduce Dread to you. Her nickname is “Skurokas”.  Click here for more details: http://www.gwaten.com/. 🙂

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Joule Thief

To light blue and white light-emitting diodes (LEDs) the voltage of 3V is required. By the way, white LED is the same as blue LED with additional luminophore inside. This luminophore is activated by blue light and lights up. Finally it lights as … Continue reading

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DVD laser lights up part 2

I adapted the collimator of the higher quality. The voltage 250 mA is enough to light a match. And there is no need to hold it long. The collimator was tore out from a copier. It’s quite good, that you can precisely … Continue reading

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Advanced LED torchlight

At last I finished (2008.02) my torchlight project. I was looking quite a long time for good LED driver. When I found driver chip, I’ve lost all my white LEDs. So I used white LEDs from bad USB web cameras’. … Continue reading

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DVB-T in Kaunas

This is not up to date post (post date 2008.02) I rescanned DVB-T channels using areal antena and found some new stations. As my antenna is quite big I am receiving TV stations from some near cities. I find new … Continue reading

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Laser burn

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 … Continue reading

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Class-D amp

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 … Continue reading

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TEO myths and reality

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 … Continue reading

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WRT54G/GL

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” … Continue reading

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