Tag Archives: oscilloscope

SmartParallel: troubleshooting with logic analyser and scope

Well, it does seem that the problem I’ve been having with the SmartParallel board is indeed that horror of horrors – the intermittent fault. Or perhaps something weirder. This is some kind of quantum device – it works only when being observed. Setting up a server The SmartParallel was working perfectly for a few days. Then I didn’t use it… Read more »

Do you know what your code’s doing?

It seems like an obvious point, but it’s sometimes handy to know what your code is up to. If you normally write code for desktop systems – and especially if you’re hacking out something that works on the command line – then it’s easy. Just pepper your program with print statements to show the state of play. (Then try to… Read more »

The joy of the scope

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Most of the books about electronics for beginners in my library say something like this in the first chapter: ‘you don’t need an oscilloscope’. Yes you do. Well, maybe need isn’t the right word. Yes, you can laboriously chart voltage levels from a capacitor by measuring at regular intervals with a multimeter (at least two of the books have you do… Read more »