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  1. BM520 restoration

    I've bought old, broken and hence cheap, Tesla counter BM520. It's classical piece of equipment build with TTL 74xx family chips and with nixie tubes for display.

    The good thing about this kind of vintage equipment is that it was made to be repaired and that there are schematics available …

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  2. Things I wanted to know about libxcb

    I've wanted to look at libxcb for quite some time as the "saner API for X programming". In the end I managed to write enough code to have a functional X application, but the main problem is a lack of documentation, which is unfortunately common for open source project. And …

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