Nokia 5110 screen replacement

For the past couple of years, I’ve been using the Nokia 5110 84 x 48 px monochrome display for most of my projects. They are really cheap, small and easy to use while providing enought screen estate to display a couple of variables or sentences. But they have their downsides, the biggest being their terrible … “Nokia 5110 screen replacement”

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My Open Source Multimeter – final revision

So I finally arrived at the point where I consider my Open Source Multimeter finished. It is not perfect, but it is more than good enough for my purposes and I also do not have time to develop it any further (at least for now). So in this article, I’ll descibe what I came up … “My Open Source Multimeter – final revision”

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STM32 Open Source multimeter – revision 1.4

I was hoping that this release of my multimeter project will be the final one. However, during testing, I still discovered things that needed changing or modifying, so in this article, I’ll at least describe some of the biggest changes and achievements of this revision & and also what went wrong and forced me to … “STM32 Open Source multimeter – revision 1.4”

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STM32 Open Source multimeter – revision 1.3

Yesterday, parts for revision 1.3 finally arrived and this meant I could start populating the PCB. I managed to populate and test it in just two days (which is unusually fast for me) and in this article I’ll explain all the changes to the multimeter. If you forgot all the features it already has, check … “STM32 Open Source multimeter – revision 1.3”

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STM32 Open Source Multimeter

There is a new version. Read about it here! One of the most essential tools for anybody interested in electrical engineering is certainly a Digital Multi Meter (DMM). The problem is you really never have enough of these – there is always one more voltage or one more current that you need to measure when … “STM32 Open Source Multimeter”

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An abandoned project: the STM32 watch

A few months ago, my watch broke. Instead of buying a new one, I decided to try to build a watch myself. Since I am not a mechanical engineer, I had to use electronics – 60 LEDs to emulate a classical watch face and some microcontroller to drive them. I was more interested in how … “An abandoned project: the STM32 watch”

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