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Author Archives: Administrator
Riddle
This is starting post about very interesting project. Try to guess what it is? This PCB is populated with serious stuff. Big square chip is Altera Cyclone EP1C6T144C8, 30 pcs of MBI5026CD, 8 pcs of HT04 (standard chips), 24 Fairchild … Continue reading
Mother China or USD rate fluctuation
When this post was posted, it was 2008 May. The exchange rate for USD was quite low compared to our local currency. Today (2015) we do not have local currency- we joined eurozone. And exchange rate for USD is quite … Continue reading
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Collimator
For my laser experiment I am using collimators from old laser printers and copie machines. Especially from copiers. A collimator is a device that narrows a beam of particles or waves. To “narrow” can mean either to cause the directions … Continue reading
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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