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Monthly Archives: March 2015
2D scanner, version 2
The first version of harware had serious problem- big geometrical distortion. So I added additional mirrors to lift laser beam. Also, I moved voice coils as near each other as I can. The finished scanner is much more smaller: I … Continue reading
2D laser scanner, part 2
To test laser scanner from older post I am using very old Amiga software Lasermax. The Amiga computer itself is emulated with windows machine. And just for fun, here is some laser beam experiments in lobby. Laser beam from red … Continue reading
2D laser scanner- mechanics
This real 2D scanner mechanics for laser beam. Not face ones with small DC motors, but real mirror system to form real image on some screen or fog. All you need some real good laser source (I’ve used burnig red … Continue reading
First nixie clock
In 2008 my programming skill was too weak, so I ordered nixie (neon glow tubes) clock kit. I had lots of ИН-12Б tubes in my stock, so I used them as my starting design. Tubes were connected to clock PCB … Continue reading
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old CO2 laser to cut … meat
We were recycling some medical equipment in 2008. And I found broken CO2 laser tube. So here is abridged translation of old article about laser tubes. BTW, after several years I bough hobby level CO2 laser for plastic and wood … Continue reading
Repairing Nokia N80
Yeap, it was cool to have Nokia N8 in 2008. And it was cool to repair it… Original post from spring 2008: This is consequences of certified repair of Nokia N80. Old metal case was damaged and was replaced. First … Continue reading
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Dekatron
Wiki: Dekatron (or Decatron, or generically three-phase gas counting tube or glow-transfer counting tube or cold cathode tube) is a gas-filled decade counting tube. Dekatrons were used in computers, calculators and other counting-related products during the 1950s and 1960s. “Dekatron,” … Continue reading
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Color LCD screens
This is another “filler” article from old blog posts. When I don’t have any fresh and interesting ideas, I just write short filler articles to show regular blog reader that I am still allive. For this English translation blog these … Continue reading
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Infrared thermometer
Ometimes I need to desolder big chips from PCB- like motherboards controllers, GPUs and other “heavy equipment”. For this purpose I used big hot air gun without any thermocontrol. To check the temperature of the chip I need something simple. … Continue reading
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Site status for 2015.03.11
I decided to “fast translate” my Lithuanian blog articles to English language. There is no special English posts here. This is done for English language readers- my Lithuanian language blog is almoust untranslatable by google translate- it is written in … Continue reading