The more we know the harder it is to defeat us!

Electronics

Some time ago I have decided to make myself a electric bike — e-bike as they are called now. However, buying a stock solution, I mean a stock e-bike, was not an option because mainly of two reasons. The stock e-bikes are quite expensive stuff, this is one. The second one is about the actual parameters of the electrical bicycle. Manufactures sell e-bikes which have limited power output to 250 Watts and are only meant to support you and not drive themselves. But wait a minute … This should be about a spot welder not the e-bike ;). Well, each electric devices ought to have a power source and this is how the idea about making my own spot welder was born.

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For quite some time I was experiencing a problem with my router. When the temperature rises behind the window it just starts to freak out. Every once two weeks or so it drops the Internet connection. Local network is still running but the incoming or outcoming connections are terminated. The only solution to this problem is to reset the router or just take out the plug and insert it after a few seconds. However, it requires me to do this every few days to make sure that the connection is good and running. I have decided to automatize the process with Arduino since it was laying around.

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PCB_UV_method_logo

This is a step towards PCB prototyping. Some time ago a similar post was published but it concerned making a PCB using a thermo transfer method. If you need to prepare a PCB fast this method is probably the best choice.

What is different about the UV light method? Why is it worth your attention. The answer is simple — quality. Then how to make it? Keep reading …

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Some time ago I decided to give KiCAD a shoot, actually it was a second attempt. For a long time I have been using Eagle CadSoft but now the disadvantages tip the scale. Also now, KiCAD has a crazy new feature which is called interactive routing. However, KiCAD is not quite straightforward and it requires some getting use to. One thing that struck me was the necessity of Internet connection. When you want to connect components with appropriate footprints using CvPcb it scans the library paths. And it is here where the problem starts…
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