Daily Archives: December 4, 2024

AVR103: Graphics module VFD GU140×16

Posted on December 4, 2024 by Administrator

(AI translated) Lithuanian airports disposed of some equipment, and there were devices with VFD screens (the devices themselves were specific, with very strange software). At least I got the VFD screens: Noritake Itron GU112x16G-7806A V3. I think the software is … Continue reading →

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CO2 laser tube (bulb)

Posted on December 4, 2024 by Administrator

(AI translated) My CO2 laser has been unused for a couple of years. Its tube degraded and started to weaken. About a year ago, it was still possible to cut paper and make some “applications.” Today I tried again – … Continue reading →

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LM2596* modules from China

Posted on December 4, 2024 by Administrator

(AI translated) For my latest collection exhibit, I decided to upgrade the power supply – to create something like the LM2596 from an overclocked 7805… Before the postal service went crazy, I bought the cheapest PCBs with counterfeit LM2596ADJ from … Continue reading →

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RIFA capacitor failure

Posted on December 4, 2024 by Administrator

(AI translated) Anyone somewhat involved with old electronics will eventually encounter RIFA capacitors and their tendency to catch fire. I finally experienced it myself – a peculiar device was working, and I had to walk the dog. When I got … Continue reading →

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My 484 enemies

Posted on December 4, 2024 by Administrator

I have 484 enemies… Solder balls, 0.55mm diameter. Just testing my first 4 layer PCB with some second hand FPGA chips. I am using old solder paste to build new balls… but with bad result. Two pins are missing (from … Continue reading →

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