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Looks like a small bulb used to indicate something unusual, like a malfunction.

Elecrow PCB prototyping

Filed under: Uncategorized — Tags: , , , , , — admin @ 2014-03-23 23:20

Another quick PCB manufacturer review. This time it was an audioohmmeter sent to Elecrow PCB service. Price was $9.90 + $3.72 shipment. I ordered 5 pieces, got 10. Nice! Overall quality looks very good. Lets see it in details. (more…)

Xubuntu upgrade to 13.10 with troubles

Filed under: Uncategorized — Tags: , , , , , — admin @ 2014-03-18 19:15

New (X)Ubuntu switched to systemd and it brought new challenges with upgrading. I use Xubuntu fork but this might affect others as well. I can’t turn off or hibernate the computer. Even after logout there are no buttons for powering off. And I can’t access NetworkManager. (more…)

Windows 8 SDK

Filed under: Uncategorized — Tags: , , , , , , , , , — admin @ 2014-03-08 01:14

MS Visual C++ 2012 SDK might be already mature enough and lots of libraries are being built with this version these days. Its support for C++11 is also supposedly better so lets try it. This is not a review. Only a simple “how to” about installing and troubleshooting. (more…)

OSH Park PCB prototyping

Filed under: Uncategorized — Tags: , , , , , , , , — admin @ 2014-03-01 14:48

I’ve sent a little LED dimmer PCB to OSH Park service. For 4.6 USD it is a great deal. Vias are 0.8 mm in diameter and 0.3 mm drill. SMD components are 0805. The result? Very good. (more…)