The featured image of this blog post is based on a picture by JL G on Pixabay
If you are old enough, you probably remember the Y2k bug. Now, mankind should have learned from it, right? Wrong!
Continue readingTag: RTC
Everything You Wanted to Know About Real-Time Clocks but Were Afraid to Ask
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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A Sunset Cache Box
The featured image of this blog post has been generated by Stable Diffusion.
What does it take to build a geocaching box that can only be opened at sunset? A box, a button, an electronic lock, an electronic clock and a controller that ties everything together.
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Synchronism
The featured image of this blog post is by Steve Buissinne on Pixabay
In 2013, we found the Seattle-Köln Exchange Multicache, which requires cooperation between geocachers from Cologne and Seattle. This led to the idea of a geocache where two people at different locations had to press a button at exactly the same time in order to be able to open their respective cache boxes. And now the idea has become reality!
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Timing the Timekeeper
The featured mage of this blog post is by Gerd Altmann from Pixabay
What is the overhead imposed by the millis() interrupt? And can we get rid of it?