The featured image of this blog post is by Chen from Pixabay
What is a real-time clock? Why do you need one? What are the use cases? How accurate can a real-time clock be? Which features can a real-time clock have? Which models are around? And which one should you buy?
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Although the typical Arduino programmer is probably not interested in writing assembly code, in some situations assembly programming is essential. Let’s have a look at these situations and see what one can do.
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When things go wrong, although your program logic appears to be correct, it is time to look at the signals going into the MCU and coming out of the MCU. The best tool for that is a logic analyzer.
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When something went south, it is not always the programmer who is to blame. It could also be the hardware (resp. the electrical engineer) that might be responsible. Note, however, when you are developing your system as a hobbyist, you are both: the electrical engineer and the programmer (so you always can blame yourself). In this blog post, we will have a look at some of the things that can go wrong on the hardware side.
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